CN104181748B - Microwave pulse signal generating device based on light-operated nonlinear annular mirror - Google Patents
Microwave pulse signal generating device based on light-operated nonlinear annular mirror Download PDFInfo
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- CN104181748B CN104181748B CN201410468526.2A CN201410468526A CN104181748B CN 104181748 B CN104181748 B CN 104181748B CN 201410468526 A CN201410468526 A CN 201410468526A CN 104181748 B CN104181748 B CN 104181748B
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Abstract
The invention discloses a microwave pulse signal generating device based on a light-operated nonlinear annular mirror. The device comprises a mode locking pulse laser, a first intensity modulator, a first code pattern generator, a first optical coupler, a first polarization controller, a second optical coupler, a second polarization controller, a variable optical attenuator, a light amplifier, a narrow linewidth laser, a semiconductor optical amplifier, a third polarization controller, a polarization maintaining optical fiber, a fourth polarization controller, an optical band pass filter, a dispersion element, a photoelectric detector, a sampling oscilloscope, a signal source analyzer, a second code pattern generator and a second intensity modulator. The phase and the duty ratio of microwave pulse signals produced by the microwave pulse signal generating device based on the light-operated nonlinear annular mirror can be tuned, the disadvantages of a traditional electronics method in the aspects of the bandwidth, the weight, the size, the electromagnetic interference and the like are overcome, and the purpose of producing high-frequency waveform microwave pulse signals with any waveform through the electronic technology is achieved.
Description
Technical field
The invention belongs to Microwave photonics technical field, it is the technology that a kind of utilization light control techniques produce random waveform, tool
It is a kind of device producing phase place and dutycycle tunable microwave pulse signal based on light-operated nonlinear loop mirror body.
Background technology
In recent years, extensive concern had been attracted based on the microwave signal that photon technology produces random waveform, including existing
For radar and antenna, RF communication system, comparatron, electronic warfare system and all-optical signal processing and manipulation etc.
Field, microwave technology and photon technology mutually merge the inexorable trend becoming scientific and technological progress.Produce microwave letter using photon technology
Number overcoming conventional art utilizes electronic technology to produce the limitation of microwave signal, and wherein, frequency is photon technology to time map
Produce a key technology of the microwave signal of random waveform.Frequency to time map produce random waveform microwave signal
Have accumulated extensive Research foundation, but, cut-off does not have adjustable based on full light technology generation phase place and dutycycle up till now
The technology of humorous microwave pulse signal.
In sum, in order to fill up the technology vacancy of association area, the present invention proposes one kind and utilizes light-operated non-linear annular
Mirror produces phase place and dutycycle tunable microwave pulse signal.
Content of the invention
In view of this, present invention is primarily targeted at provide a kind of based on light-operated nonlinear loop mirror produce phase place and
The device of dutycycle tunable microwave pulse signal, to overcome conventional electronics method to do in bandwidth, weight, volume, electromagnetism
The inferior position of aspect such as disturb, and break through the bottleneck that electronic technology produces high frequency random waveform microwave pulse signal.
For reaching above-mentioned purpose, the invention provides a kind of microwave pulse signal based on light-operated nonlinear loop mirror produces
Device, this device includes: Mode-locked laser device, the first intensity modulator, the first pattern generator, the first photo-coupler,
One Polarization Controller, the second photo-coupler, the second Polarization Controller, adjustable optical attenuator, image intensifer, narrow linewidth laser,
Semiconductor optical amplifier, the 3rd Polarization Controller, polarization maintaining optical fibre, the 4th Polarization Controller, optical band pass filter, dispersion element,
Photodetector, sampling oscilloscope, signal source analyzer, the second pattern generator, the second intensity modulator, wherein:
Described Mode-locked laser device is used for providing pulsed optical signals to intensity modulator；
Described first pattern generator is used for described intensity modulator output electric pulse signal, as modulated signal；
Described first intensity modulator is used for adjusting the arteries and veins of described Mode-locked laser device output according to described modulated signal
The dutycycle of pulsed light signal, and the optical signal after adjusting dutycycle is sent to described first photo-coupler；
Described first photo-coupler is used for for the optical signal receiving being divided into two bundles, to form annular mirror, described first light
The output of bonder inputs to described optical band pass filter；
Described first Polarization Controller is used for changing the polarization state of the optical signal of clockwise transmission, so that it is partly led described
The phase shift occurring in body image intensifer is maximum；
Described narrow linewidth laser is used for producing the pump light signals that nonlinear phase shift occurs；
Described second pattern generator is used for producing the electric impulse signal of high speed as intensity-modulated signal；
Described second intensity modulator is used for being exported for described narrow linewidth laser according to described intensity-modulated signal
Pump light signals carry out intensity modulated；
Described image intensifer is used for carrying out power amplification to the pump light signals of described narrow linewidth laser output；
The power that described adjustable optical attenuator is used for received pump light signals carries out thin tuning；
Described second Polarization Controller is used for adjusting the polarization state of received pump light signals, so that it is described half
The phase shift occurring in conductor image intensifer is maximum；
Described second photo-coupler is used for for the optical signal of pump light signals and transmission clockwise inciding institute in the same direction
State in semiconductor optical amplifier；
Described semiconductor optical amplifier is used for the optical signal of clockwise direction transmission with respect to counter clockwise direction transmission
Optical signal produces certain phase shift；
Described 3rd Polarization Controller is used for adjusting the polarization state of the optical signal of clockwise transmission, to adjust described guarantor's polarisation
The cycle of the fine optical filter producing；
Described polarization maintaining optical fibre is used for transmitting optical signal, and produces the optical filter with certain Free Spectral Range；
Described 4th Polarization Controller is used for adjusting the polarization state of the optical signal of counterclockwise transmission, to adjust described guarantor's polarisation
The cycle of the fine optical filter producing；
Described optical band pass filter is used for filtering the pump light signals in received optical signal；
Described dispersion element is used for realizing the mapping to the time for the optical signal frequency, to produce microwave pulse signal；
Described photodetector is used for carrying out opto-electronic conversion for optical signal, obtains microwave signal；
Described sampling oscilloscope is used for the microwave signal that measurement produces, the time domain waveform of the microwave signal that observation produces；
Described signal source analyzer is used for the frequency spectrum of the microwave signal that measurement produces.
Wherein, described first pattern generator is synchronous with described Mode-locked laser device.
Wherein, the dutycycle of described pulsed optical signals depends on the frequency of the modulated signal of the first pattern generator output.
Wherein, described first photo-coupler is 2 × 2 bonders, and described second photo-coupler is 1 × 2 bonder.
Wherein, described Mode-locked laser device is semiconductor laser or optical fiber laser.
Wherein, described first Polarization Controller, the second Polarization Controller, the 3rd Polarization Controller and the 4th Polarization Controller
Polarization Controller for the Polarization Controller of optical fiber structure, the Polarization Controller of waveguiding structure or space structure.
Wherein, described narrow linewidth laser is semiconductor laser or optical fiber laser.
Wherein, described semiconductor optical amplifier is replaced by mixing germanium highly nonlinear optical fiber or sulfide highly nonlinear optical fiber.
Wherein, described dispersion element is dispersion compensating fiber, dispersion shifted optical fiber, single-mode fiber or fiber grating.
Wherein, described photodetector is photodiode or photomultiplier tube, using indium phosphide or silica-base material.
From technique scheme as can be seen that the method have the advantages that
What the 1st, the present invention provided produces phase place and dutycycle tunable microwave pulse letter based on light-operated nonlinear loop mirror
Number device, due to using all-optical signal processing scheme thus overcome conventional electronics method bandwidth, weight, volume,
The inferior position of the aspects such as electromagnetic interference, and breach the bottleneck that electronic technology produces high frequency random waveform microwave pulse signal.
What the 2nd, the present invention provided produces phase place and dutycycle tunable microwave pulse letter based on light-operated nonlinear loop mirror
Number device, due to realizing light-operated phase shift using semiconductor optical amplifier so structure is simple, low cost, full optical processing is not related to
To electric light conversion, fast response time, power attenuation is little, can produce any high frequency random waveform microwave signal and even can produce
The microwave signal of Terahertz frequency range, the microwave signal of generation is high frequency, wideband adjustable, shape are any, it is possible to achieve with full light
Network and light carry radio frequency network compatibility.
3rd, due to microwave pulse signal, the light propagated clockwise and anticlockwise are produced using the method for full light and annular mirror
Signal will experience identical environmental change impact, and the optical signal that both direction is propagated comes from same light source, therefore its
The phase noise of the microwave pulse signal producing is low, and the purity of frequency spectrum is high；The related device of the program is all that market can be bought
Device, therefore the program can realize practical, Stability Analysis of Structures, with low cost.
Brief description
Fig. 1 is present invention offer based on light-operated nonlinear loop mirror generation phase place and dutycycle tunable microwave arteries and veins
Rush the structural representation of the device of signal；
Fig. 2 is that the nonlinear loop mirror that the present invention provides produces optical filter schematic diagram；
Fig. 3 is the spectrogram after the nonlinear loop mirror light filtering that the present invention provides；
Fig. 4 (a) is the time domain waveform schematic diagram of the microwave pulse being produced according to the present invention；Fig. 4 (b) is to be produced according to the present invention
The raw corresponding spectrogram of microwave pulse signal.
Specific embodiment
For making the object, technical solutions and advantages of the present invention become more apparent, below in conjunction with specific embodiment, and reference
Accompanying drawing, the present invention is described in more detail.
What the present invention provided produces phase place and dutycycle tunable microwave pulse letter based on light-operated nonlinear loop mirror
Number device in, the pulsed optical signals of Mode-locked laser device output incide intensity modulator, and intensity modulator adjusts pulse
The dutycycle of optical signal, dutycycle depends on the frequency of pattern generator output；The formation of annular mirror is the optocoupler based on 2 × 2
Clutch, the Free Spectral Range of the corresponding optical filter of annular mirror depends on the internal length of polarization maintaining optical fibre of ring and clockwise
The polarization state of the optical signal propagated with counter clockwise direction, because polarization maintaining optical fibre has fast axle and slow axis, for the guarantor of certain length
Polarisation is fine, and when the optical signal that clockwise direction is propagated is directed at one of axle, the optical signal be aligned counterclockwise propagated is another
Individual axle, the Free Spectral Range of corresponding optical filter is maximum, therefore permissible by adjusting the Polarization Controller of polarization maintaining optical fibre both sides
Realize the Free Spectral Range tuning of wave filter；The continuous pump light that narrow linewidth laser occurs and the detection light propagated clockwise
Signal incides semiconductor optical amplifier in the same direction, passes in the internal optical signal propagated clockwise of semiconductor optical amplifier and counterclockwise
The optical signal broadcast all experiences phase shift, and because semiconductor optical amplifier is placed in the asymmetric place of nonlinear loop mirror, therefore pin of taking advantage of a situation is propagated
Optical signal different with respect to the phase shift that the counterclockwise optical signal propagated is experienced, and this phase shift difference depends on pump light
Luminous power and polarization state, the phase place of the corresponding optical filter of such annular mirror can be realized tuning, and the size of planet phasing depends on
In the luminous power size of pump light signals and the polarization state of pump light signals；Optical signal bag due to nonlinear loop mirror output
Include pump light and flashlight, and pump light is not intended to be detected, therefore pump light is filtered out, after light filters
Optical pulse strikes realize the mapping to the time for the frequency to dispersion element, can produce phase place and dutycycle after opto-electronic conversion
Tunable microwave signal.
Fig. 1 is present invention offer based on light-operated nonlinear loop mirror generation phase place and dutycycle tunable microwave arteries and veins
Rush the structural representation of the device of signal, as shown in figure 1, this device include Mode-locked laser device 1, the first intensity modulator 2,
First pattern generator 3, the first photo-coupler 4, the first Polarization Controller 5, the second photo-coupler 6, the second Polarization Controller 7,
Adjustable optical attenuator 8, image intensifer 9, narrow linewidth laser 10, semiconductor optical amplifier 11, the 3rd Polarization Controller 12, guarantor are partially
Optical fiber 13, the 4th Polarization Controller 14, optical band pass filter 15, dispersion element 16, photodetector 17, sampling oscilloscope 18,
Signal source analyzer 19, the second pattern generator 20, the second intensity modulator 21, wherein:
Described Mode-locked laser device 1 is used for providing pulsed optical signals to the first intensity modulator 2；
Described first pattern generator 3 is used for described first intensity modulator 2 output electric pulse signal, as modulation letter
Number；
Wherein, described electric pulse has the keying code that opens the light of specific bit rate and dutycycle.
Wherein, described first pattern generator 3 is synchronous with described Mode-locked laser device 1.
Described first intensity modulator 2 is used for adjusting the arteries and veins of described Mode-locked laser device output according to described modulated signal
The dutycycle of pulsed light signal, and the optical signal after adjusting dutycycle is sent to the first photo-coupler 4；
Wherein, the dutycycle of described pulsed optical signals depends on the frequency of the modulated signal of the first pattern generator 3 output.
Described first photo-coupler 4 is used for for the optical signal receiving being divided into two bundles, to form annular mirror, described first light
The output of bonder 4 inputs to described optical band pass filter 15；
In an embodiment of the present invention, described first photo-coupler 4 is 2 × 2 bonders.
Described first Polarization Controller 5 is used for changing the polarization state of the optical signal of clockwise transmission, so that it is described half
The phase shift occurring in conductor image intensifer 11 is maximum；
Described narrow linewidth laser 10 is used for producing the pump light signals that nonlinear phase shift occurs；
Described second pattern generator 20 is used for producing the electric impulse signal of high speed as intensity-modulated signal；
Described second intensity modulator 21 is used for defeated for described narrow linewidth laser 10 according to described intensity-modulated signal
The pump light signals going out carry out intensity modulated, thus realizing the phase controlling of high speed, that is, produce the tunable microwave of high-speed phase
Pulse signal；
Described image intensifer 9 is used for carrying out power amplification to the pump light signals of described narrow linewidth laser 10 output；
The power that described adjustable optical attenuator 8 is used for received pump light signals carries out further thin tuning, with
Obtain in annular mirror the relation between phase shift that the optical signal of transmission produces in semiconductor optical amplifier 11 and pumping light power；
Described second Polarization Controller 7 is used for adjusting the polarization state of received pump light signals, so that it is described
The phase shift occurring in semiconductor optical amplifier 11 is maximum；
Described second photo-coupler 6 is used for for the optical signal of pump light signals and transmission clockwise inciding institute in the same direction
State in semiconductor optical amplifier 11；
In an embodiment of the present invention, described second photo-coupler 6 is 1 × 2 bonder.
Described semiconductor optical amplifier 11 is used for transmitting the optical signal of clockwise direction transmission with respect to counter clockwise direction
Optical signal produce certain phase shift；
The phase shift to produce light for the birefringence effect based on semiconductor optical amplifier for the described semiconductor optical amplifier 11；
Described 3rd Polarization Controller 12 is used for adjusting the polarization state of the optical signal of clockwise transmission, to adjust described guarantor partially
The cycle of the optical filter that optical fiber 13 produces；
Described polarization maintaining optical fibre 13 is used for transmitting optical signal；
In described polarization maintaining optical fibre 13, because the optical signal of clockwise direction propagation is with respect to the light counterclockwise propagated
Signal produces certain delay inequality, thus producing the optical filter with certain Free Spectral Range；
Described 4th Polarization Controller 14 is used for adjusting the polarization state of the optical signal of counterclockwise transmission, to adjust described guarantor partially
The cycle of the optical filter that optical fiber 13 produces；
Described optical band pass filter 15 is used for filtering the pump light signals in received optical signal；
Described dispersion element 16 is used for realizing the mapping to the time for the optical signal frequency, to produce microwave pulse signal；
Described photodetector 17 is used for carrying out opto-electronic conversion for optical signal, obtains microwave signal；
Described sampling oscilloscope 18 is used for the microwave signal that measurement produces, the time domain waveform of the microwave signal that observation produces；
Described signal source analyzer 19 is used for the frequency spectrum of the microwave signal that measurement produces.
Wherein, described Mode-locked laser device 1 can be semiconductor laser or optical fiber laser；
Described first Polarization Controller 5, the second Polarization Controller 7, the 3rd Polarization Controller 12 and the 4th Polarization Controller
14 can be the Polarization Controller of the Polarization Controller of optical fiber structure, the Polarization Controller of waveguiding structure or space structure；
Described intensity modulator 2 and 21 can be using lithium columbate crystal, semi-conducting polymer (as silicon-based modulator, indium phosphide
Manipulator and iii-v type manipulator) or organic polymer (as Graphene manipulator) intensity modulator；
Described pattern generator 3 and 20 can be ppg or AWG (Arbitrary Waveform Generator)；
Described narrow linewidth laser 10 can be semiconductor laser or optical fiber laser；
Described semiconductor optical amplifier 11 can also be replaced with mixing germanium highly nonlinear optical fiber or sulfide highly nonlinear optical fiber；
Described optical band pass filter 15 is the waveform shaper based on Liquide Crystal On Silicon, or optical filter, or
It is wavelength division multiplexer, or fiber grating；
Described dispersion element 16 is dispersion compensating fiber, dispersion shifted optical fiber, single-mode fiber or fiber grating；
Described photodetector 17 is photodiode or photomultiplier tube, using indium phosphide or silica-base material；
Described sampling oscilloscope 18 be Tyke sampling oscilloscope can also be Agilent sampling oscilloscope, if produce
Real-time oscilloscope can be applied when the phase place of microwave signal is very stable to gather；
Described spectrum analyzer 19 can be spectrum analyzer or signal source analyzer.
What Fig. 2 gave present invention offer produces phase place and dutycycle tunable microwave based on light-operated nonlinear loop mirror
The schematic diagram of the corresponding optical filter of pulse signal；Fig. 3 gives the light letter through optical band pass filter 15 of present invention generation
Number spectrogram, in Fig. 3, transverse axis be optical wavelength, the longitudinal axis be luminous power, 0.6nm represents Free Spectral Range, by non-linear annular
The Free Spectral Range of the corresponding optical filter of mirror determines.
Fig. 4 (a) is the time domain waveform schematic diagram of the microwave pulse being collected by sampling oscilloscope, in Fig. 4 (a), horizontal
Axle is the time, and the longitudinal axis is normalized light intensity, and the 104ps of in figure corresponds to the cycle of the microwave pulse producing, and this cycle is by color
The abbe number of scattered element determines, Fig. 4 (b) is the corresponding spectrogram of microwave pulse signal being produced according to the present invention, Fig. 4
B, in (), transverse axis is electric frequency, and the longitudinal axis is electrical power size, is the frequency domain representation of microwave pulse, and wherein 9.62ghz corresponds to micro-
The frequency of wave impulse, -8.1dbm is reference power size, and 10db/div is the corresponding power of the every lattice of the longitudinal axis.
Particular embodiments described above, has carried out detailed further to the purpose of the present invention, technical scheme and beneficial effect
Describe in detail bright, be should be understood that the specific embodiment that the foregoing is only the present invention, be not limited to the present invention, all
Within the spirit and principles in the present invention, any modification, equivalent substitution and improvement done etc., should be included in the guarantor of the present invention
Within the scope of shield.
Claims (9)
1. a kind of microwave pulse signal generation device based on light-operated nonlinear loop mirror is it is characterised in that this device includes: lock
Mode pulsed laser, the first intensity modulator, the first pattern generator, the first photo-coupler, the first Polarization Controller, the second light
Bonder, the second Polarization Controller, adjustable optical attenuator, image intensifer, narrow linewidth laser, semiconductor optical amplifier, the 3rd
Polarization Controller, polarization maintaining optical fibre, the 4th Polarization Controller, optical band pass filter, dispersion element, photodetector, sampling oscillography
Device, signal source analyzer, the second pattern generator, the second intensity modulator, wherein:
Described Mode-locked laser device is used for providing pulsed optical signals to intensity modulator；
Described first pattern generator is used for described intensity modulator output electric pulse signal, as modulated signal；
Described first intensity modulator is used for adjusting the pulsed light of described Mode-locked laser device output according to described modulated signal
The dutycycle of signal, and the optical signal after adjusting dutycycle is sent to described first photo-coupler；
Described first photo-coupler is used for for the optical signal receiving being divided into two bundles, to form annular mirror, described first optical coupling
The output of device inputs to described optical band pass filter；
Described first Polarization Controller is used for changing the polarization state of the optical signal of clockwise transmission, so that it is in described semiconductor light
The phase shift occurring in amplifier is maximum；
Described narrow linewidth laser is used for producing the pump light signals that nonlinear phase shift occurs；
Described second pattern generator is used for producing the electric impulse signal of high speed as intensity-modulated signal；
Described second intensity modulator is used for the pumping exporting according to described intensity-modulated signal for described narrow linewidth laser
Optical signal carries out intensity modulated；
Described image intensifer is used for carrying out power amplification to the pump light signals of described narrow linewidth laser output；
The power that described adjustable optical attenuator is used for received pump light signals carries out thin tuning；
Described second Polarization Controller is used for adjusting the polarization state of received pump light signals, so that it is in described quasiconductor
The phase shift occurring in image intensifer is maximum；
Described second photo-coupler is used for for the optical signal of pump light signals and transmission clockwise inciding described half in the same direction
In conductor image intensifer；
Described semiconductor optical amplifier is used for the light letter transmitting the optical signal of clockwise direction transmission with respect to counter clockwise direction
Number produce certain phase shift；
Described 3rd Polarization Controller is used for adjusting the polarization state of the optical signal of clockwise transmission, is produced with adjusting described polarization maintaining optical fibre
The cycle of raw optical filter；
Described polarization maintaining optical fibre is used for transmitting optical signal, and produces the optical filter with certain Free Spectral Range；
Described 4th Polarization Controller is used for adjusting the polarization state of the optical signal of counterclockwise transmission, is produced with adjusting described polarization maintaining optical fibre
The cycle of raw optical filter；
Described optical band pass filter is used for filtering the pump light signals in received optical signal；
Described dispersion element is used for realizing the mapping to the time for the optical signal frequency, to produce microwave pulse signal；
Described photodetector is used for carrying out opto-electronic conversion for optical signal, obtains microwave signal；
Described sampling oscilloscope is used for the microwave signal that measurement produces, the time domain waveform of the microwave signal that observation produces；
Described signal source analyzer is used for the frequency spectrum of the microwave signal that measurement produces；
Described first pattern generator is synchronous with described Mode-locked laser device.
2. device according to claim 1 is it is characterised in that the dutycycle of described pulsed optical signals depends on the first pattern
The frequency of the modulated signal of generator output.
3. device according to claim 1 is it is characterised in that described first photo-coupler is 2 × 2 bonders, described the
Two photo-couplers are 1 × 2 bonder.
4. device according to claim 1 is it is characterised in that described Mode-locked laser device is semiconductor laser or light
Fibre laser.
5. device according to claim 1 it is characterised in that described first Polarization Controller, the second Polarization Controller,
Three Polarization Controllers and Polarization Controller, the Polarization Controller of waveguiding structure or space that the 4th Polarization Controller is optical fiber structure
The Polarization Controller of structure.
6. device according to claim 1 is it is characterised in that described narrow linewidth laser is semiconductor laser or optical fiber
Laser instrument.
7. device according to claim 1 is it is characterised in that described semiconductor optical amplifier is by mixing germanium highly nonlinear optical fiber
Or sulfide highly nonlinear optical fiber replaces.
8. device according to claim 1 is it is characterised in that described dispersion element is dispersion compensating fiber, dispersion shift
Optical fiber, single-mode fiber or fiber grating.
9. device according to claim 1 is it is characterised in that described photodetector is photodiode or photomultiplier transit
Pipe, using indium phosphide or silica-base material.
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| CN105222896B (en) * | 2015-09-02 | 2017-05-10 | 河南师范大学 | Method of using magneto-optic fiber to research propagation characteristic of polarized light in ring-down cavity |
| CN105262544B (en) * | 2015-11-09 | 2017-12-22 | 东北林业大学 | Tunable chromatic dispersion compensation device based on ring resonator |
| CN105204266B (en) * | 2015-11-11 | 2018-01-09 | 北方工业大学 | Light-operated more waveform light pulse synthesizers |
| CN108599870B (en) * | 2018-07-25 | 2020-06-19 | 中国科学院半导体研究所 | Encryption and decryption communication device based on time domain Talbot effect and secret communication system |
| CN111352144A (en) * | 2020-03-27 | 2020-06-30 | 中国科学院西安光学精密机械研究所 | X-ray ultrafast detection device and method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101794954A (en) * | 2010-01-27 | 2010-08-04 | 中国科学院半导体研究所 | Single-longitudinal-mode dual-wavelength annular cavity tunable photo-generated microwave source |
| RU2400009C1 (en) * | 2009-07-06 | 2010-09-20 | Федеральное государственное унитарное предприятие "Научно-производственное предприятие "Исток" (ФГУП "НПП "Исток") | Stabilised semiconductor microwave generator with frequency modulation of output signal |
| CN103885268A (en) * | 2014-03-28 | 2014-06-25 | 中国科学院半导体研究所 | Device for generating all-optical quadruplicated frequency microwaves based on cross polarization modulation and Sagnac ring |
| CN103941429A (en) * | 2014-05-12 | 2014-07-23 | 中国科学院半导体研究所 | Device for producing random waveform microwave signal based on cross polarization modulation |
-
2014
- 2014-09-15 CN CN201410468526.2A patent/CN104181748B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2400009C1 (en) * | 2009-07-06 | 2010-09-20 | Федеральное государственное унитарное предприятие "Научно-производственное предприятие "Исток" (ФГУП "НПП "Исток") | Stabilised semiconductor microwave generator with frequency modulation of output signal |
| CN101794954A (en) * | 2010-01-27 | 2010-08-04 | 中国科学院半导体研究所 | Single-longitudinal-mode dual-wavelength annular cavity tunable photo-generated microwave source |
| CN103885268A (en) * | 2014-03-28 | 2014-06-25 | 中国科学院半导体研究所 | Device for generating all-optical quadruplicated frequency microwaves based on cross polarization modulation and Sagnac ring |
| CN103941429A (en) * | 2014-05-12 | 2014-07-23 | 中国科学院半导体研究所 | Device for producing random waveform microwave signal based on cross polarization modulation |
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