CN101833221A - All-optical single side band (SSB) up conversion generator based on silicon-based micro ring resonator - Google Patents
All-optical single side band (SSB) up conversion generator based on silicon-based micro ring resonator Download PDFInfo
- Publication number
- CN101833221A CN101833221A CN 201010137842 CN201010137842A CN101833221A CN 101833221 A CN101833221 A CN 101833221A CN 201010137842 CN201010137842 CN 201010137842 CN 201010137842 A CN201010137842 A CN 201010137842A CN 101833221 A CN101833221 A CN 101833221A
- Authority
- CN
- China
- Prior art keywords
- silicon
- micro ring
- ring resonator
- based micro
- signal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
- Optical Communication System (AREA)
Abstract
The invention discloses an all-optical single side band (SSB) up conversion generator based on a silicon-based micro ring resonator, comprising a central station and a base station, wherein the central station is composed of a pumping signal optical generating system, a tri-frequency component detection signal optical generating system, a silicon-based micro ring resonator system, a first optical amplifier, an adjustable narrow-band filter and an uplink data receiver; and the base station is composed of an optical fiber bragg grating, a photoelectric detector, a first Mach-Zehnder modulator and an uplink data source. The invention injects pumping light in a silicon-based micro ring to generate a free carrier, and the silicon-based micro ring resonance peak is subjected to blue shift due to the dispersion effect of the free carrier, so as to modulate signals on detection light to realize the all-optical single side band (SSB) up conversion. The used device has small volume and is easy to integrate; and the used SSB modulation is influenced small by optical fiber dispersion, the system cost is reduced and the system structure is simplified due to the characteristics of quad-frequency technology and needless of an uplink light source of the base station.
Description
Technical field
What the present invention relates to is a kind of device of technical field of optical fiber communication, and what be specifically related to is a kind of all-optical single side band (SSB) up conversion generator based on silicon-based micro ring resonator.
Background technology
Light carrier radio communication (Radio over Fiber) is a kind of emerging WiMAX access technology, it is mainly in conjunction with optical fiber and radio communication two big technology, utilize that fibre loss is low, bandwidth is big, the characteristic of anti-electromagnetic interference (EMI), the transmission radio frequency signal, the bandwidth and the dirigibility that have improved wireless access network.In light carrier radio communication system, full light up-conversion technology has important effect.Full light up-conversion technology is exactly to produce certain frequency coherent light at interval by optical means earlier at central station, and frequency interval is exactly the frequency of needed microwave/millimeter wave, then baseband signal is modulated on the coherent light by full light upconverter.The coherent light of carrying baseband signal is through arriving the base station after the Optical Fiber Transmission, just can obtain carrying the high-speed microwave/millimeter-wave signal of base band data carry out beat frequency in photoelectric detector (PD) after.Therefore, the up-conversion of baseband signal is finished in central station, complicated signal processing all concentrates on central station, expensive and the complicacy that the up-conversion of having avoided adopting high-speed radio-frequency equipment to carry out electric territory in the base station is brought has overcome the power fading problem that chromatic dispersion brings in the transmission course simultaneously again.But existing full light means of upconversion, be faced with all that required discrete device is many, volume is big, complex structure, the problem such as integrated that is unfavorable for following light carrier radio communication system, present full light up-conversion technology mostly adopts double-sideband modulation simultaneously, signal quality is subjected to the influence of fibre-optical dispersion, and transmission range is restricted.
Through existing technical literature retrieval is found, be published in Optical Fiber Communication Conference ﹠amp; In the article in Exposition and the National Fiber Optic Engineers Conference 2009 (OFC/NFOEC 2009) " All-optical up-conversion of millimeter-wave signals for ROF system usingoptical carrier suppression-based dual-pump FWM in an SOA (the full light up-conversion of the millimeter wave technology that in light carrier radio communication system, suppresses the double pumping action four-wave mixing effect) " with the light carrier of semiconductor optical amplifier (SOA), a kind of full light up-conversion generation device has been proposed, in this technology: pump light produces system and surveys light generation system and is connected respectively to semiconductor optical amplifier (SOA), it utilizes the four-wave mixing effect of SOA, process is carried the pump light of baseband signal and is suppressed to modulate the four-wave mixing effect that takes place between the detection light of two frequency components that produce by light carrier, baseband signal is transformed on two new frequency components that produced by four-wave mixing, and these two frequency components is carried out the millimeter-wave signal that beat frequency obtains carrying baseband signal in the base station.This technology is owing to will adopt four-wave mixing effect, incident light is needed strict control so that it satisfies the condition that four-wave mixing takes place, can produce many frequency components simultaneously, therefore to the filtering requirements strictness of light territory, and used device volume is big in this technology, do not utilize integratedly, the signal that obtains belongs to double-sideband modulation, has limited transmission range.
Find by retrieval again, be published in Optical Fiber Communication Conference ﹠ amp; In the article in Exposition and theNational Fiber Optic Engineers Conference 2009 (OFC/NFOEC 2009) " Micrometer-scale optical up-converter using a resonance-split silicon microringresonator in radio over fiber systems (the full light upconverter of micron order of Schema-based division silicon-based micro ring resonator in light carrier radio communication system) ", a kind of free carrier effect of dispersion with silicon-based micro ring resonator has been proposed with the means of upconversion that changes on the baseband signal on the high frequency millimeter wave. This device produces system and surveys light by pump light and produces system, is connected respectively to silicon-based micro ring resonator.The silicon-based micro ring resonator volume is little in this device, be easy to integrated, but the signal that produces belongs to double-sideband modulation, limited transmission range, the high frequency carrier that obtains simultaneously is the twice of central station oscillator frequency, in order to produce the radiofrequency signal of high frequency, just need the oscillator of high frequency like this, so cause system cost to strengthen at central station.
Summary of the invention
The objective of the invention is to overcome above-mentioned the deficiencies in the prior art, proposed a kind of all-optical single side band (SSB) up conversion generator based on silicon-based micro ring resonator.The present invention utilizes the free carrier effect of dispersion of silicon-based micro ring resonator, by carrying the pump light of baseband signal, a frequency component to the detection light with three frequency components that produced by single driven modulator is modulated, and obtains single sideband singal, realizes full light up-conversion; Simultaneously, intermediate frequency component in the detection light that produces can be used as the light source of the up-link of base station, avoided needing additional light source to carry out the transmission of up-link in the base station, the high-frequency radio frequency signal that produces has utilized the quadruple technology, therefore have device volume little, be easy to integrated, it is little that the single-sideband modulation technology is influenced by fibre-optical dispersion, and Clock Multiplier Factor is big, and the base station need not advantages such as additional light source.
The present invention is achieved by the following technical solutions:
The present invention includes: central station and base station, wherein: central station link to each other with the base station detection light signal and upward signal after the transmission conversion.
Described central station comprises: pump signal light generation systems, three frequency component detectable signal light generation systems, the silicon-based micro ring resonator system, first image intensifer, adjustable narrow-band wave filter and upstream data receiver, wherein: pump signal light generation systems links to each other with the silicon-based micro ring resonator system and transmits the pump light signals that needs up-conversion, three frequency component detectable signal light generation systems link to each other with the silicon-based micro ring resonator system and transmit the detection light signal that contains three frequency components that produces, the silicon-based micro ring resonator system links to each other with first image intensifer and transmits the detectable signal light that contains three frequency components that produces, first image intensifer link to each other with the adjustable narrow-band wave filter transmission pump light and the conversion after the detection light signal, the adjustable narrow-band wave filter detection light signal after the transmission conversion that links to each other with the base station, the upstream data receiver links to each other with the base station and transmits uplink information.
Described upstream data receiver is a photoelectric detector.
Described pump signal light generation systems comprises: first tunable laser, Polarization Controller, the downlink data source, second Mach of zehnder modulators, second image intensifer and adjustable filter, wherein: first tunable laser links to each other with Polarization Controller and transmits laser, Polarization Controller links to each other with second Mach of zehnder modulators and transmits polarization laser, the downlink data source transmitting downlink data information that links to each other with second Mach of zehnder modulators, the Mach zehnder modulators links to each other with second image intensifer and transmits light signal after the modulation comprise baseband signal, second image intensifer modulated light signal of transmission after amplifying that link to each other with adjustable filter, adjustable filter links to each other with the silicon-based micro ring resonator system and transmits the pump light signals that needs up-conversion.
Described three frequency component detectable signal light generation systems comprise: second tunable laser, radio-frequency signal generator, the 3rd Mach of zehnder modulators and the 3rd image intensifer, wherein: the output port of second tunable laser links to each other with the input port of the 3rd Mach of zehnder modulators and transmits laser, the output port of the radio-frequency signal generator transmitting radio frequency signal that links to each other with the rf inputs mouth of the 3rd Mach of zehnder modulators, the light output end of the 3rd Mach of zehnder modulators light signal after the transmission modulation that links to each other with the 3rd image intensifer, the 3rd image intensifer links to each other with the silicon-based micro ring resonator system and transmits the detection light signal that contains three frequency components.
Described silicon-based micro ring resonator system comprises: photo-coupler and silicon-based micro ring resonator, wherein: pump signal light generation systems links to each other with photo-coupler and transmits the pump light signals that needs up-conversion, three frequency component detectable signal light generation systems link to each other with photo-coupler and transmit the detection light signal that contains three frequency components, link to each other with first image intensifer detectable signal light that contains three frequency components of transmission generation of the output terminal of the photo-coupler light signal after the transmission coupling that links to each other with the input end of silicon-based micro ring resonator, the output terminal of silicon-based micro ring resonator.
Described silicon-based micro ring resonator comprises: a silicon-based micro ring and a straight wave guide, wherein: the airspace between silicon-based micro ring and the straight wave guide is tens to the hundreds of nanometer.
Described base station comprises: Fiber Bragg Grating FBG (FBG), photoelectric detector (PD), first Mach of Ceng De (MZM) modulator and upstream data source, wherein: the Fiber Bragg Grating FBG detector light signal after the transmission conversion that links to each other with the adjustable narrow-band wave filter, the transmission end of Fiber Bragg Grating FBG two sideband signals of transmission in three frequency components that link to each other with photoelectric detector, the transmitting terminal of the Fiber Bragg Grating FBG center band carrier signal of transmission in three frequency components that link to each other with first Mach of zehnder modulators, the rf inputs of Fiber Bragg Grating FBG links to each other with the upstream data source and transmits up electrical information, and the output terminal of first Mach of zehnder modulators links to each other with the upstream data receiver and transmits uplink information.
The spectral property of described silicon-based micro ring resonator is periodic stopband filtering characteristic, and transmissivity is 0 or is close to 0 on resonance wavelength.
The three dB bandwidth of described adjustable narrow-band wave filter arrives in the scope of 0.8nm 0.3.
Described Fiber Bragg Grating FBG three dB bandwidth is 0.1nm, and reflection wavelength equals to survey the centre frequency of light.
Described photoelectric detector bandwidth is greater than two frequency intervals surveying light.
Principle of work of the present invention is to utilize the light transmission spectrum and the free carrier effect of dispersion of silicon-based micro ring resonator.Because silicon-based micro ring is a semiconductor devices, when injecting, superpower pump light can produce free carrier, and this free carrier can change the refractive index of silicon, thereby makes harmonic peak generation blue shift.Be positioned at resonance peaks if contain the left side band of the detection light of three frequency components, after pump light and detection light enter silicon-based micro ring simultaneously, owing to the difference of pumping light power along with information changes, when signal is 1, the luminous power of input is strong, the harmonic peak of silicon-based micro ring resonator moves to left, the left side band that three sidebands are surveyed light can pass through little ring, when signal is 0, the harmonic peak of silicon-based micro ring resonator does not move, the left side band that three sidebands are surveyed light can not pass through little ring, and left side band just has the information the same with pump signal like this, has realized single-sideband modulation.At the base station end, leach middle frequency component by Fiber Bragg Grating FBG, carry out the modulation of uplink information as the light carrier of up-link, one of them carries information two sidebands that see through, they enter photoelectric detector carry out beat frequency after, obtain the high-frequency radio frequency signal and launch by antenna.
Compared with prior art, the invention has the beneficial effects as follows: the silicon-based micro ring resonator that the present invention uses is simple in structure, and volume is little, and little ring radius has only several microns to tens microns, is easy to integrated.Adopt the single-sideband modulation technology simultaneously, be subjected to the big shortcoming of fibre-optical dispersion influence when having avoided the double-sideband modulation technical transmission, be fit to long-distance transmissions.Adopted the quadruple technology, compared with original two frequency doubling technologies, reduced the requirement of radio-frequency signal source, the base station need not additional light source, has reduced cost.
Description of drawings
Fig. 1 is the composition structural representation of embodiment.
Fig. 2 forms structural representation for the silicon-based micro ring resonator device;
Wherein: (a) being the vertical view of silicon-based micro ring resonator, (b) is the cross sectional representation of silicon-based micro ring.
Fig. 3 is embodiment simulation result figure;
Wherein: figure (a1) is the pump light signals after modulating; Figure (a2) is the pump light signals eye pattern; Figure (b) is for surveying optical signal spectrum; Figure (c) passes through signal spectrum behind the silicon-based micro ring resonator for what the adjustable narrow-band wave filter leached; Figure (d1) is a left side band signal waveform; Figure (d2) is a left side band signal eye pattern; Figure (e) passes through photoelectric detector observed waveform later on for double-sideband signal; Figure (f1) is the light carrier frequency spectrum of Fiber Bragg Grating FBG reflection; Figure (f2) is the waveform after modulating through upstream data; Figure (f3) is the eye pattern of upstream data after modulating.
Embodiment
Below in conjunction with accompanying drawing embodiments of the invention are elaborated: present embodiment is being to implement under the prerequisite with the technical solution of the present invention, provided detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
Embodiment
As shown in Figure 1, present embodiment comprises: central station and base station, wherein: central station link to each other with the base station detection light signal and upward signal after the transmission conversion.
Described central station comprises: pump signal light generation systems, three frequency component detectable signal light generation systems, the silicon-based micro ring resonator system, first image intensifer, adjustable narrow-band wave filter and upstream data receiver, wherein: pump signal light generation systems links to each other with the silicon-based micro ring resonator system and transmits the pump light signals that needs up-conversion, three frequency component detectable signal light generation systems link to each other with the silicon-based micro ring resonator system and transmit the detection light signal that contains three frequency components that produces, the silicon-based micro ring resonator system links to each other with first image intensifer and transmits the detectable signal light that contains three frequency components that produces, first image intensifer link to each other with the adjustable narrow-band wave filter transmission pump light and the conversion after the detection light signal, the adjustable narrow-band wave filter detection light signal after the transmission conversion that links to each other with the base station, the upstream data receiver links to each other with the base station and transmits uplink information.
Described upstream data receiver is first photoelectric detector, and its model is u2t-xpdv2110r, and bandwidth is 10GHz, is used to receive upstream data information.
The model of described first image intensifer is OFA-MW, is for the silicon-based micro ring resonator system next light of output being amplified compensation insertion loss.
Described adjustable narrow-band wave filter adopts purple coral-SOTMTF-FC/PC, and bandwidth is 0.3nm, is used to leach three frequency component signals after the conversion, and wherein: the NRZ signal of left side band signal after for conversion, intermediate frequency component and the right band signal all are carrier wave.
Described pump signal light generation systems comprises: first tunable laser, Polarization Controller, the downlink data source, second Mach of zehnder modulators, second image intensifer and adjustable filter, wherein: first tunable laser links to each other with Polarization Controller and transmits laser, Polarization Controller links to each other with second Mach of zehnder modulators and transmits polarization laser, the downlink data source transmitting downlink data information that links to each other with second Mach of zehnder modulators, the Mach zehnder modulators links to each other with second image intensifer and transmits light signal after the modulation comprise baseband signal, second image intensifer modulated light signal of transmission after amplifying that link to each other with adjustable filter, adjustable filter links to each other with the silicon-based micro ring resonator system and transmits the pump light signals that needs up-conversion.
The model of described first tunable laser is TSL-210F, is used to export continuous laser, and this continuous laser is input to and produces pumping NRZ signal after second Mach of zehnder modulators modulated.
The model in described downlink data source is TG2P1A, is used to produce electric signal, and its signal amplitude is adjustable, and its output is loaded into the rf inputs mouth of second Mach of zehnder modulators.
The model of described first Mach of zehnder modulators is JDS-10G-MZM:21023816, produces the NRZ signal.
Described adjustable filter adopts the product of DiCon company, and bandwidth is 0.8nm, is used for filtering and amplifies noise.
Described three frequency component detectable signal light generation systems comprise: second tunable laser, radio-frequency signal generator, the 3rd Mach of zehnder modulators and the 3rd image intensifer, wherein: the output port of second tunable laser links to each other with the input port of the 3rd Mach of zehnder modulators and transmits laser, the output port of the radio-frequency signal generator transmitting radio frequency signal that links to each other with the rf inputs mouth of the 3rd Mach of zehnder modulators, the light output end of the 3rd Mach of zehnder modulators light signal after the transmission modulation that links to each other with the 3rd image intensifer, the 3rd image intensifer links to each other with the silicon-based micro ring resonator system and transmits the detection light signal that contains three frequency components.
The model of described second tunable laser is HP8168F, be used to export continuous laser, this continuous laser is input to and produces three frequency components after the 3rd Mach of zehnder modulators modulated, and its left side bandgap wavelength is positioned at a resonance peaks of silicon-based micro ring resonator.
Described radio-frequency signal generator adopts Agilent E8257D PSG, it is used to export the high-speed radio-frequency sinusoidal signal, its output port links to each other with the rf inputs mouth of the 3rd Mach of zehnder modulators, be used to produce three frequency component signals, the frequency interval between each frequency component is the twice of radio frequency signal frequency.
The model of described the 3rd Mach of zehnder modulators is JDS-10G-MZM:21023816, it is offset to the peak of transmission curve, obtain three frequency components, comprise two sidebands that optical carrier frequency and two and optical carrier frequency are spaced apart the radio frequency signal frequency twice, regulate laser wavelength, make left side bandgap wavelength be positioned at another harmonic peak of ring resonator.
The model of described the 3rd image intensifer is OFA-MW, is used for three frequency component signals of the 3rd Mach of zehnder modulators output are amplified.
Described silicon-based micro ring resonator system comprises: photo-coupler and silicon-based micro ring resonator, wherein: pump signal light generation systems links to each other with photo-coupler and transmits the pump light signals that needs up-conversion, three frequency component detectable signal light generation systems link to each other with photo-coupler and transmit the detection light signal that contains three frequency components, link to each other with first image intensifer detectable signal light that contains three frequency components of transmission generation of the output terminal of the photo-coupler light signal after the transmission coupling that links to each other with the input end of silicon-based micro ring resonator, the output terminal of silicon-based micro ring resonator.
Described silicon-based micro ring resonator comprises: a silicon-based micro ring and a straight wave guide, and wherein: the silicon-based micro ring radius is 150um, the airspace between silicon-based micro ring and the straight wave guide is 90 nanometers.After pump light and detection light enter silicon-based micro ring simultaneously, owing to the difference of pumping light power along with information changes, when signal was 1, the luminous power of input was strong, and the harmonic peak of silicon-based micro ring resonator moves to left, the left side band that three sidebands are surveyed light can pass through little ring, when signal was 0, the harmonic peak of silicon-based micro ring resonator did not move, and the left side band that three sidebands are surveyed light can not pass through little ring, left side band just has the information the same with pump signal like this, has realized single-sideband modulation.
The spectral property of described silicon-based micro ring resonator is periodic stopband filtering characteristic, and transmissivity is 0 or is close to 0 on resonance wavelength.
Described base station comprises: Fiber Bragg Grating FBG, second photoelectric detector, first Mach of zehnder modulators, upstream data source and antenna, wherein: the Fiber Bragg Grating FBG detector light signal after the transmission conversion that links to each other with the adjustable narrow-band wave filter, the transmission end of Fiber Bragg Grating FBG two sideband signals of transmission in three frequency components that link to each other with second photoelectric detector, the transmitting terminal of the Fiber Bragg Grating FBG center band carrier signal of transmission in three frequency components that link to each other with first Mach of zehnder modulators, the rf inputs of Fiber Bragg Grating FBG links to each other with the upstream data source and transmits up electrical information, the output terminal of the first Mach of zehnder modulators transmission uplink information that links to each other with the upstream data receiver, second photoelectric detector carry high frequency radiofrequency signal that links to each other with antenna.
Described Fiber Bragg Grating FBG adopts purple coral-FBG-A15497, and three dB bandwidth is 0.1nm, reflection end reflection kernel frequency component, and two sideband signals are by the output of transmission end, and reflection wavelength equals to survey the centre frequency of light.
The model of described second photoelectric detector is u2t-xpdv2150r, and bandwidth (50Hz) is greater than two frequency intervals surveying light, and it is used for two sideband signals are carried out beat frequency, obtains high frequency electrical signal.
The model of described first Mach of zehnder modulators is JDS-10G-MZM:21023816, is used for upstream data. signals is modulated to light.
The model in described upstream data source is TG2P1A, is used to produce electric signal, and its signal amplitude is adjustable, and its output is loaded into the rf inputs mouth of first Mach of zehnder modulators.
The vertical view of described silicon-based micro ring resonator is shown in Fig. 2 (a), wherein: the silicon-based micro ring radius is 150um, with the waveguide spacing be 90nm.
The cross sectional representation of described silicon-based micro ring is shown in Fig. 2 (b), wherein: the top is for making the monocrystalline silicon of silicon-based micro ring, and the centre is the silicon dioxide cushion, and the bottom is a silicon substrate.
The course of work of present embodiment: first tunable laser generation wavelength is that the continuous light of 1556.02nm enters second Mach of zehnder modulators, the prevention at radio-frequency port that pseudo-random sequence (PRBS) signal that the downlink data source produces 1.25Gb/s is input to second Mach of zehnder modulators is modulated and is obtained the NRZ signal, enters into silicon-based micro ring resonator as pump light through after the amplification filtering; Second tunable laser generation wavelength is that the continuous light of 1549.74nm is input to the 3rd Mach of zehnder modulators, it is that 10GHz, amplitude are the rf inputs mouth that the radiofrequency signal of 6V is input to the 3rd Mach of zehnder modulators that radio-frequency signal generator produces frequency, the 3rd Mach of zehnder modulators is bigoted at peak 0V, its V
πBe 6V, obtain comprising the signal of three frequency components, through being amplified into silicon-based micro ring resonator as surveying light; Two harmonic peaks of silicon-based micro ring are respectively 1549.58nm and 1556.02nm, three dB bandwidth is 0.1nm, and the harmonic peak degree of depth is 15dB, through the light signal of exporting behind the silicon-based micro ring resonator, adjustable narrow-band wave filter through 1.6nm leaches the detection light signal, is connected to the FBG of base station; The three dB bandwidth of FBG is 0.1nm, reflector port leaches the light carrier of centre frequency light as up-link, be connected to the input port of first Mach of zehnder modulators, the upstream data source links to each other with the rf inputs mouth of first Mach of zehnder modulators and transmits uplink electrical signals; The transmission end of FBG links to each other with the input end of second photoelectric detector and transmits two sideband signals, carry out the rf signal that beat frequency obtains containing downlink information by second photoelectric detector, the output terminal of first Mach of zehnder modulators links to each other with the upstream data receiver and transmits uplink information.
Present embodiment simulation result figure as shown in Figure 3, wherein: Fig. 3 (a1) for the modulation after pump light signals; Fig. 3 (a2) is the pump light signals eye pattern; Fig. 3 (b) is for surveying optical signal spectrum, and centre frequency and two sideband amplitude differ in the 5dB as can be seen, and all the other sidebands are suppressed greater than 20dB, and two sideband signals interval 40GHz; Fig. 3 (c) for the adjustable narrow-band wave filter leach through the signal spectrum behind the silicon-based micro ring resonator, left side band has signal as can be seen, middle and the right band is a continuous light; Fig. 3 (d1) is a left side band signal waveform; Fig. 3 (d2) is a left side band signal eye pattern, and there is certain overshoot on the signal bit border, and this is because little ring has due to certain live width; Fig. 3 (e) passes through photoelectric detector observed waveform later on for double-sideband signal, and the signal carrier frequency is 40GHz as can be seen; Fig. 3 (f1) is the light carrier frequency spectrum of Fiber Bragg Grating FBG reflection; Fig. 3 (f2) is the waveform after modulating through upstream data; Fig. 3 (f3) is the eye pattern after the upstream data modulation.
The silicon-based micro ring resonator system size of present embodiment has only micron order, can be widely used in the system integration in future.Adopt the single-sideband modulation technology simultaneously, be subjected to the big shortcoming of fibre-optical dispersion influence when having avoided the double-sideband modulation technical transmission, be fit to long-distance transmissions.Adopted the quadruple technology, obtained the high-frequency signal of 40G by the radio frequency source of 10G, compared with original two frequency doubling technologies, reduced the requirement of radio-frequency signal source, the base station need not additional light source, has reduced cost.
Claims (9)
1. all-optical single side band (SSB) up conversion generator based on silicon-based micro ring resonator comprises: central station and base station, wherein: central station link to each other with the base station detection light signal and upward signal after the transmission conversion, it is characterized in that,
Described central station comprises: pump signal light generation systems, three frequency component detectable signal light generation systems, the silicon-based micro ring resonator system, first image intensifer, adjustable narrow-band wave filter and upstream data receiver, wherein: pump signal light generation systems links to each other with the silicon-based micro ring resonator system and transmits the pump light signals that needs up-conversion, three frequency component detectable signal light generation systems link to each other with the silicon-based micro ring resonator system and transmit the detection light signal that contains three frequency components that produces, the silicon-based micro ring resonator system links to each other with first image intensifer and transmits the detectable signal light that contains three frequency components that produces, first image intensifer link to each other with the adjustable narrow-band wave filter transmission pump light and the conversion after the detection light signal, the adjustable narrow-band wave filter detection light signal after the transmission conversion that links to each other with the base station, the upstream data receiver links to each other with the base station and transmits uplink information;
Described base station comprises: Fiber Bragg Grating FBG, photoelectric detector, first Mach of zehnder modulators and upstream data source, wherein: the Fiber Bragg Grating FBG detector light signal after the transmission conversion that links to each other with the adjustable narrow-band wave filter, the transmission end of Fiber Bragg Grating FBG two sideband signals of transmission in three frequency components that link to each other with photoelectric detector, the transmitting terminal of the Fiber Bragg Grating FBG center band carrier signal of transmission in three frequency components that link to each other with first Mach of zehnder modulators, the rf inputs of Fiber Bragg Grating FBG links to each other with the upstream data source and transmits up electrical information, and the output terminal of first Mach of zehnder modulators links to each other with the upstream data receiver and transmits uplink information.
2. the all-optical single side band (SSB) up conversion generator based on silicon-based micro ring resonator according to claim 1, it is characterized in that, described pump signal light generation systems comprises: first tunable laser, Polarization Controller, the downlink data source, second Mach of zehnder modulators, second image intensifer and adjustable filter, wherein: first tunable laser links to each other with Polarization Controller and transmits laser, Polarization Controller links to each other with second Mach of zehnder modulators and transmits polarization laser, the downlink data source transmitting downlink data information that links to each other with second Mach of zehnder modulators, the Mach zehnder modulators links to each other with second image intensifer and transmits light signal after the modulation comprise baseband signal, second image intensifer modulated light signal of transmission after amplifying that link to each other with adjustable filter, adjustable filter links to each other with the silicon-based micro ring resonator system and transmits the pump light signals that needs up-conversion.
3. the all-optical single side band (SSB) up conversion generator based on silicon-based micro ring resonator according to claim 1, it is characterized in that, described three frequency component detectable signal light generation systems comprise: second tunable laser, radio-frequency signal generator, the 3rd Mach of zehnder modulators and the 3rd image intensifer, wherein: the output port of second tunable laser links to each other with the input port of the 3rd Mach of zehnder modulators and transmits laser, the output port of the radio-frequency signal generator transmitting radio frequency signal that links to each other with the rf inputs mouth of the 3rd Mach of zehnder modulators, the light output end of the 3rd Mach of zehnder modulators light signal after the transmission modulation that links to each other with the 3rd image intensifer, the 3rd image intensifer links to each other with the silicon-based micro ring resonator system and transmits the detection light signal that contains three frequency components.
4. the all-optical single side band (SSB) up conversion generator based on silicon-based micro ring resonator according to claim 1, it is characterized in that, described silicon-based micro ring resonator system comprises: photo-coupler and silicon-based micro ring resonator, wherein: pump signal light generation systems links to each other with photo-coupler and transmits the pump light signals that needs up-conversion, three frequency component detectable signal light generation systems link to each other with photo-coupler and transmit the detection light signal that contains three frequency components, link to each other with first image intensifer detectable signal light that contains three frequency components of transmission generation of the output terminal of the photo-coupler light signal after the transmission coupling that links to each other with the input end of silicon-based micro ring resonator, the output terminal of silicon-based micro ring resonator.
5. the all-optical single side band (SSB) up conversion generator based on silicon-based micro ring resonator according to claim 4, it is characterized in that, described silicon-based micro ring resonator comprises: a silicon-based micro ring and a straight wave guide, wherein: the airspace between silicon-based micro ring and the straight wave guide is tens to the hundreds of nanometer.
6. the all-optical single side band (SSB) up conversion generator based on silicon-based micro ring resonator according to claim 1 is characterized in that, described upstream data receiver is a photoelectric detector.
7. the all-optical single side band (SSB) up conversion generator based on silicon-based micro ring resonator according to claim 1 is characterized in that, the three dB bandwidth scope of described adjustable narrow-band wave filter is: 0.3nm-0.8nm.
8. the all-optical single side band (SSB) up conversion generator based on silicon-based micro ring resonator according to claim 1 is characterized in that, the three dB bandwidth of described Fiber Bragg Grating FBG is 0.1nm, and its reflection frequency equals to survey the centre frequency of light.
9. the all-optical single side band (SSB) up conversion generator based on silicon-based micro ring resonator according to claim 1 is characterized in that, described photoelectric detector bandwidth is greater than two frequency intervals surveying light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101378423A CN101833221B (en) | 2010-04-02 | 2010-04-02 | All-optical single side band (SSB) up conversion generator based on silicon-based micro ring resonator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101378423A CN101833221B (en) | 2010-04-02 | 2010-04-02 | All-optical single side band (SSB) up conversion generator based on silicon-based micro ring resonator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101833221A true CN101833221A (en) | 2010-09-15 |
| CN101833221B CN101833221B (en) | 2011-06-29 |
Family
ID=42717341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101378423A Expired - Fee Related CN101833221B (en) | 2010-04-02 | 2010-04-02 | All-optical single side band (SSB) up conversion generator based on silicon-based micro ring resonator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101833221B (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102036135A (en) * | 2011-01-25 | 2011-04-27 | 上海交通大学 | Orthogonal frequency division multiple access (OFDMA) passive optical network transmission system |
| CN102638313A (en) * | 2012-03-28 | 2012-08-15 | 上海交通大学 | Device and method for generating return-to-zero code electro-optical modulation signal |
| CN102769807A (en) * | 2012-07-10 | 2012-11-07 | 上海大学 | Light source centralization orthogonal frequency division multiplexing passive optical network system and transmission method |
| CN103595477A (en) * | 2013-09-22 | 2014-02-19 | 清华大学 | Method and device for carrying out up-conversion on data signals |
| CN103941516A (en) * | 2014-05-06 | 2014-07-23 | 中国科学院半导体研究所 | Adjustable high-frequency impulse light source based on silicon-based micro-ring resonant cavity carrier chromatic dispersion effect |
| CN107340666A (en) * | 2017-06-08 | 2017-11-10 | 浙江大学 | A kind of vector signal means of upconversion based on optical-electronic oscillator |
| CN108199776A (en) * | 2018-02-08 | 2018-06-22 | 吉林大学 | A kind of microwave photon means of upconversion and method based on optical-electronic oscillator |
| CN108631877A (en) * | 2017-03-20 | 2018-10-09 | 上海交通大学 | Single-side belt electro-optic modulation arrangement |
| CN109617615A (en) * | 2018-12-24 | 2019-04-12 | 北京工业大学 | Upper converted photons method and system based on microwave quadruple |
| CN109839785A (en) * | 2019-03-01 | 2019-06-04 | 杭州奕力科技有限公司 | A kind of frequency upconversion device of hollow antiresonance optical fiber |
| CN110603480A (en) * | 2017-05-22 | 2019-12-20 | 华为技术有限公司 | Polarization insensitive micro-ring modulator |
| CN111769882A (en) * | 2020-06-16 | 2020-10-13 | 光创新电(苏州)信息科技有限公司 | Radio over fiber link architecture based on multi-frequency multiplication optical vector millimeter wave signal generation |
| CN114114531A (en) * | 2021-11-03 | 2022-03-01 | 上海交通大学 | Silicon-based single-sideband modulator chip with high rejection ratio |
| CN116540362A (en) * | 2023-03-27 | 2023-08-04 | 北京信息科技大学 | Micro-ring resonator weight high-precision calibration system and calibration method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101296037A (en) * | 2008-06-05 | 2008-10-29 | 上海交通大学 | Apparatus and method for light-operated controlling light delay line based on silicon based micro-ring |
| CN101299126A (en) * | 2008-06-26 | 2008-11-05 | 上海交通大学 | Code type converting device for modulating amplitude to frequency based on mode abruption silicon based micro ring |
| CN101299650A (en) * | 2008-06-26 | 2008-11-05 | 上海交通大学 | Apparatus for converting double channel wavelength based on mode splitting silicon based micro-ring |
| US7558450B2 (en) * | 2007-09-06 | 2009-07-07 | Morton Photonics, Inc. | Microwave photonic delay line with separate tuning of optical carrier |
-
2010
- 2010-04-02 CN CN2010101378423A patent/CN101833221B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7558450B2 (en) * | 2007-09-06 | 2009-07-07 | Morton Photonics, Inc. | Microwave photonic delay line with separate tuning of optical carrier |
| CN101296037A (en) * | 2008-06-05 | 2008-10-29 | 上海交通大学 | Apparatus and method for light-operated controlling light delay line based on silicon based micro-ring |
| CN101299126A (en) * | 2008-06-26 | 2008-11-05 | 上海交通大学 | Code type converting device for modulating amplitude to frequency based on mode abruption silicon based micro ring |
| CN101299650A (en) * | 2008-06-26 | 2008-11-05 | 上海交通大学 | Apparatus for converting double channel wavelength based on mode splitting silicon based micro-ring |
Non-Patent Citations (1)
| Title |
|---|
| 《发光学报》 20070228 陈德媛等 非晶碳化硅材料与光学微腔的制备与发光 121-125 1-5 第28卷, 第01期 2 * |
Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102036135B (en) * | 2011-01-25 | 2013-08-21 | 上海交通大学 | Orthogonal frequency division multiple access (OFDMA) passive optical network transmission system |
| CN102036135A (en) * | 2011-01-25 | 2011-04-27 | 上海交通大学 | Orthogonal frequency division multiple access (OFDMA) passive optical network transmission system |
| CN102638313A (en) * | 2012-03-28 | 2012-08-15 | 上海交通大学 | Device and method for generating return-to-zero code electro-optical modulation signal |
| CN102769807B (en) * | 2012-07-10 | 2015-10-07 | 上海大学 | Centralization light source orthogonal frequency division multiplexing passive optical network system and transmission method |
| CN102769807A (en) * | 2012-07-10 | 2012-11-07 | 上海大学 | Light source centralization orthogonal frequency division multiplexing passive optical network system and transmission method |
| CN103595477A (en) * | 2013-09-22 | 2014-02-19 | 清华大学 | Method and device for carrying out up-conversion on data signals |
| CN103595477B (en) * | 2013-09-22 | 2016-05-18 | 清华大学 | Data-signal up-conversion method and apparatus |
| CN103941516A (en) * | 2014-05-06 | 2014-07-23 | 中国科学院半导体研究所 | Adjustable high-frequency impulse light source based on silicon-based micro-ring resonant cavity carrier chromatic dispersion effect |
| CN103941516B (en) * | 2014-05-06 | 2017-01-18 | 中国科学院半导体研究所 | Adjustable high-frequency impulse light source based on silicon-based micro-ring resonant cavity carrier chromatic dispersion effect |
| CN108631877A (en) * | 2017-03-20 | 2018-10-09 | 上海交通大学 | Single-side belt electro-optic modulation arrangement |
| CN108631877B (en) * | 2017-03-20 | 2023-09-05 | 上海交通大学 | Unilateral electrified light modulation device |
| CN110603480A (en) * | 2017-05-22 | 2019-12-20 | 华为技术有限公司 | Polarization insensitive micro-ring modulator |
| CN107340666A (en) * | 2017-06-08 | 2017-11-10 | 浙江大学 | A kind of vector signal means of upconversion based on optical-electronic oscillator |
| CN107340666B (en) * | 2017-06-08 | 2019-07-09 | 浙江大学 | A kind of vector signal means of upconversion based on optical-electronic oscillator |
| CN108199776A (en) * | 2018-02-08 | 2018-06-22 | 吉林大学 | A kind of microwave photon means of upconversion and method based on optical-electronic oscillator |
| CN108199776B (en) * | 2018-02-08 | 2020-04-03 | 吉林大学 | Microwave photon up-conversion device and method based on photoelectric oscillator |
| CN109617615A (en) * | 2018-12-24 | 2019-04-12 | 北京工业大学 | Upper converted photons method and system based on microwave quadruple |
| CN109839785B (en) * | 2019-03-01 | 2021-04-02 | 杭州奕力科技有限公司 | Frequency up-conversion device of hollow anti-resonance optical fiber |
| CN109839785A (en) * | 2019-03-01 | 2019-06-04 | 杭州奕力科技有限公司 | A kind of frequency upconversion device of hollow antiresonance optical fiber |
| CN111769882A (en) * | 2020-06-16 | 2020-10-13 | 光创新电(苏州)信息科技有限公司 | Radio over fiber link architecture based on multi-frequency multiplication optical vector millimeter wave signal generation |
| CN114114531A (en) * | 2021-11-03 | 2022-03-01 | 上海交通大学 | Silicon-based single-sideband modulator chip with high rejection ratio |
| CN114114531B (en) * | 2021-11-03 | 2023-02-28 | 上海交通大学 | Silicon-based single-sideband modulator chip with high rejection ratio |
| CN116540362A (en) * | 2023-03-27 | 2023-08-04 | 北京信息科技大学 | Micro-ring resonator weight high-precision calibration system and calibration method |
| CN116540362B (en) * | 2023-03-27 | 2024-03-15 | 北京信息科技大学 | Micro-ring resonator weight high-precision calibration system and calibration method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101833221B (en) | 2011-06-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101833221B (en) | All-optical single side band (SSB) up conversion generator based on silicon-based micro ring resonator | |
| Thomas et al. | Millimeter-wave radio over fiber optical upconversion techniques relying on link nonlinearity | |
| US7761012B2 (en) | Optical communication system and method for generating dark return-to zero and DWDM optical MM-Wave generation for ROF downstream link using optical phase modulator and optical interleaver | |
| CN108199776B (en) | Microwave photon up-conversion device and method based on photoelectric oscillator | |
| CN101742738B (en) | Full duplex optical carrier radio frequency RoF link system | |
| CN100536371C (en) | Microwave photon down conversion method and device based on electrooptical modulator and optical fiber raster | |
| CN101599800A (en) | Utilize lithium niobate modulator to produce the apparatus and method of 8 times frequency optical millimeter waves | |
| CN101389148A (en) | Uplink downlink construction for radio frequency optical fiber transmission system and method for providing light carrier to uplink | |
| CN105978631A (en) | Device and method for eliminating photonic microwave self-interference signals | |
| Zhang et al. | A full-duplex WDM-RoF system based on tunable optical frequency comb generator | |
| CN101799608A (en) | Electric-control broadband photon radio-frequency phase shifter based on silicon-based micro-ring resonant cavity | |
| CN204374553U (en) | A kind of light carrier sideband based on acousto-optic filter compares tunable devices | |
| CN102544985A (en) | Optical fiber type terahertz wave generation device and method based on modulation instability | |
| Al-Shareefi et al. | Development of a new approach for high-quality quadrupling frequency optical millimeter-wave signal generation without optical filter | |
| Thomas et al. | The\" Rap\" on ROF: Radio over Fiber Using Radio Access Point for High Data Rate Wireless Personal Area Networks | |
| CN204481833U (en) | A kind of WDM-ROF mixed access system based on optical frequency comb | |
| CN204481832U (en) | A kind of based on light comb and the ROF-PON full duplex system of carrier reuse | |
| Asha et al. | Design and analysis of 160 GHz millimeter wave RoF system with dispersion tolerance | |
| Zhang et al. | Generation of multiple-frequency optical millimeter-wave signal with optical carrier suppression and no optical filter | |
| CN102098108B (en) | Photo-induced microwave signal source and method | |
| Mirza et al. | All-optical regenerative technique for width-tunable ultra-wideband signal generation | |
| CN105827330A (en) | Method and system for millimeter wave generation | |
| Dong et al. | Optical millimeter-wave signal generation and wavelength reuse for upstream connection in radio-over-fiber systems | |
| CN102684791B (en) | Wired and wireless converged communication system, wired and wireless converged communication method and method and device for generating multi-waveband signals | |
| Zhang et al. | Integrated direct single sideband modulation utilizing sideband amplification injection locking effect based on multi-section mutual injection DFB laser |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110629 Termination date: 20140402 |