CN107367880A - Microwave photon filter based on double parallel Mach zehnder modulators - Google Patents
Microwave photon filter based on double parallel Mach zehnder modulators Download PDFInfo
- Publication number
- CN107367880A CN107367880A CN201710621042.0A CN201710621042A CN107367880A CN 107367880 A CN107367880 A CN 107367880A CN 201710621042 A CN201710621042 A CN 201710621042A CN 107367880 A CN107367880 A CN 107367880A
- Authority
- CN
- China
- Prior art keywords
- zehnder modulators
- mach zehnder
- microwave
- parallel mach
- microwave photon
- 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
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/21—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour by interference
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/21—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour by interference
- G02F1/212—Mach-Zehnder type
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
Abstract
The invention discloses a kind of microwave photon filter based on double parallel Mach zehnder modulators, including：One double parallel Mach zehnder modulators, including：Two parallel Mach zehnder modulators, on two branch road arms；One phase-modulator, on principal arm, for controlling the phase difference between two branch road arms；One triple channel direct voltage source, including three DC voltage output ends, to produce DC voltage, and the bias voltage of two parallel Mach zehnder modulators and phase-modulator are controlled respectively；One image intensifer, the laser amplifier that double parallel Mach zehnder modulators are exported；One tunable optical bandpass filter, its bandwidth and center are tunable, and the laser of image intensifer output is filtered；And a photodetector, the optical signal exported after tunable optical band-pass filter is converted into microwave signal and exported.The flexible switching that may be implemented between low pass and band logical, it is simple in construction, and bandwidth and centre wavelength can in broadband continuous tuning.
Description
Technical field
The disclosure belongs to Microwave photonics technical field, is related to a kind of microwave light based on double parallel Mach zehnder modulators
Subfilter.
Background technology
Microwave photon filter is due to having the advantages that low-loss, high bandwidth, electromagnetism interference in recent years, while but also with
The flexible operating characteristic such as tunable and restructural, thus traditional electrical filter can be substituted, produced in light-carried wireless, microwave signal
The numerous areas such as raw and high-frequency microwave signal processing have big advantage.
Microwave photon filter can be divided into according to the modulation type of the phase of modulated optical carrier, intensity, amplitude and polarization：Phase
Position modulation type microwave photon filter, intensity modulation type microwave photon filter, amplitude mode microwave photon filter and partially
Shake modulation type microwave photon filter；According to the difference of filtering performance, microwave photon filter is divided into tunable, restructural, can
Variable coefficient and high q-factor etc., it is more and more extensive with the application field of microwave photon filter, improve its application flexibility,
Switchability and filtering performance are significant.
Tunable, Switchability energy for improving microwave photon filter, research and propose one kind and be based on being excited in cloth
The changeable tunable microwave photon filter of deep pool scattering, wave filter response can be cut between narrow-band bandpass and notch filter
Change, filter center is tunable；But this method has following limitation：The response of wave filter is arrowband, bandwidth depend on by
Swash the bandwidth of Brillouin scattering effect, only 32MHz, be only applicable to need the situation for filtering out or filtering out single wavelength.In addition
Have and research and propose a kind of tunable microwave photon filter based on two tapped delay cable architectures, the free light of wave filter response
Spectral limit is tunable, and its centre wavelength can be switched fast；But there is following limitation in this method：First, wave filter response is more logical
The comb filter in road, low pass or the situation of bandpass filter can not be applicable to；Second, filter center wavelength is cut
Changing value is fixed when changing, for the half of Free Spectral Range, limited flexibility.
The content of the invention
(1) technical problems to be solved
Present disclose provides a kind of microwave photon filter based on double parallel Mach zehnder modulators, at least partly to solve
Technical problem certainly set forth above.
(2) technical scheme
According to an aspect of this disclosure, there is provided a kind of microwave photon filtering based on double parallel Mach zehnder modulators
Device, including：One double parallel Mach zehnder modulators, including：Two parallel Mach zehnder modulators, positioned at two branch road arms
On；One phase-modulator, on principal arm, for controlling the phase difference between two branch road arms；One triple channel direct voltage source,
Including three DC voltage output ends, to produce DC voltage, and control respectively two parallel Mach zehnder modulators and
The bias voltage of phase-modulator；One image intensifer, the laser amplifier that double parallel Mach zehnder modulators are exported；One is tunable
Optical band pass filter, its bandwidth and center are tunable, and the laser of image intensifer output is filtered；An and photodetection
Device, the optical signal exported after tunable optical band-pass filter is converted into microwave signal and exported.
In some embodiments of the present disclosure, double parallel Mach zehnder modulators include：One light input end, it is sharp to input
Light；Two rf inputs, to input the microwave signal of modulation laser；Three bias voltage inputs, with triple channel direct current
Three DC voltage output ends of voltage source, which correspond, to be connected；And light output end, to export laser.
In some embodiments of the present disclosure, two rf inputs are located at the two of double parallel Mach zehnder modulators respectively
On two parallel Mach zehnder modulators on individual branch road arm, and one of rf inputs have the defeated of microwave signal
Enter.
In some embodiments of the present disclosure, three road DC voltages caused by triple channel direct voltage source correspond to input respectively
To three bias voltage inputs, corresponding three control voltages, independently control two parallel Mach zehnder modulators and
The bias voltage of phase-modulator；Have under the Mach zehnder modulators regulation of a control voltage wherein of microwave signal input and be in
Existing carrier wave holddown, form carrier wave and suppress optical signal；With there is the Mach zehnder modulators that microwave signal inputs parallel wherein
The watt level of the light carrier of another Mach of zehnder modulators is adjusted by another control voltage.
In some embodiments of the present disclosure, the phase difference that carrier wave suppresses between optical signal and light carrier is electric by three controls
Remaining control voltage regulation in pressure, realizes the switching between low pass and band logical.
In some embodiments of the present disclosure, microwave photon filter is in low pass state, corresponding with a width of L, wherein：
The phase difference that carrier wave suppresses between optical signal and light carrier is zero；The bandpass center of tunable optical bandpass filter and light carrier
Wavelength overlaps；And a width of 2L of band of tunable optical bandpass filter.
In some embodiments of the present disclosure, microwave photon filter is in band logical state, and corresponding center is S, bandwidth
For 2 Δs, wherein：The phase difference that carrier wave suppresses between optical signal and light carrier is 90 °；In the passband of tunable optical bandpass filter
The heart differs Δ with the wavelength of light carrier；And a width of 2S of band of tunable optical bandpass filter.
In some embodiments of the present disclosure, bandwidth L corresponding to microwave photon filter meets：Depending on double parallel Mach
Relatively low that of the middle bandwidth of both zehnder modulators and photodetector.
In some embodiments of the present disclosure, the Δ of bandwidth 2 corresponding to microwave photon filter meets：Depending on double parallel horse
Relatively low that of bandwidth among conspicuous zehnder modulators and photodetector.
In some embodiments of the present disclosure, microwave photon filter also includes：One laser, it is defeated to produce laser
Enter light input end；And a microwave source, to produce microwave source, input radio frequency input.
(3) beneficial effect
It can be seen from the above technical proposal that the microwave photon based on double parallel Mach zehnder modulators that the disclosure provides
Wave filter, have the advantages that：
It can be cut by using double parallel Mach zehnder modulators in intensity modulated and phase-modulation the two working conditions
The characteristics of changing, with reference to a tunable optical bandpass filter, it is only necessary to regulate and control the bias voltage of double parallel Mach zehnder modulators,
Can be simple in construction to realize flexible switching of the microwave photon filter between low pass filter and bandpass filter, and
And bandwidth and centre wavelength can in broadband continuous tuning, while have strong excellent of high bandwidth, low-loss, anti-electromagnetic interference capability concurrently
Point.
Brief description of the drawings
Fig. 1 is to be shown according to the structure of microwave photon filter of the embodiment of the present disclosure based on double parallel Mach zehnder modulators
It is intended to.
Fig. 2 is the structural representation according to embodiment of the present disclosure double parallel Mach zehnder modulators.
Fig. 3 A- Fig. 3 F are the microwave photon based on double parallel Mach zehnder modulators according to embodiment of the present disclosure Fig. 1
The response switching of wave filter and tuning process schematic.
Fig. 3 A are according to embodiment of the present disclosure adjustment control voltage V3Make the phase between carrier suppressed signal and light carrier
Difference is 0, carries out schematic diagram corresponding to intensity modulated.
Fig. 3 B are the bandpass center and optical carrier wavelength weight that tunable optical bandpass filter is adjusted according to the embodiment of the present disclosure
Close, adjust spectral schematic corresponding to a width of 2L of band of tunable optical bandpass filter.
The low pass filtered for a width of L of band that Fig. 3 C are obtained after being the regulation according to the embodiment of the present disclosure by Fig. 3 A and Fig. 3 B
The response schematic diagram of ripple device.
Fig. 3 D are according to embodiment of the present disclosure adjustment control voltage V3Make the phase between carrier suppressed signal and light carrier
Difference is 90 °, carries out schematic diagram corresponding to phase-modulation.
Fig. 3 E are the bandpass center and optical carrier wavelength phase that tunable optical bandpass filter is adjusted according to the embodiment of the present disclosure
Poor Δ, adjust spectral schematic corresponding to a width of 2S of band of tunable optical bandpass filter.
The center that Fig. 3 F are obtained after being the regulation according to the embodiment of the present disclosure by Fig. 3 D and Fig. 3 E is S, with a width of 2
The response schematic diagram of the bandpass filter of Δ.
【Symbol description】
100- lasers；200- microwave sources；
300- triple channel direct voltage sources；400- double parallel Mach zehnder modulators；
500- image intensifers；600- tunable optical bandpass filters；
700- photodetectors；
1,2,3- bias voltage input；1 ', 2 ', 3 '-DC voltage output end；
V1, V2, V3- the first, second, the 3rd control voltage；
RF1, RF2- first, second rf inputs.
Embodiment
Present disclose provides a kind of microwave photon filter based on double parallel Mach zehnder modulators, by using double flat
The characteristics of row Mach zehnder modulators can switch in intensity modulated and phase-modulation the two working conditions, it is adjustable with reference to one
Humorous optical band pass filter, it is only necessary to regulate and control the bias voltage of double parallel Mach zehnder modulators, can be to realize the microwave photon
Wave filter switching, be tunable between low pass and band logical, it is simple in construction, while have high bandwidth, low-loss, electromagnetism interference concurrently
The advantages of ability is strong.
For the purpose, technical scheme and advantage of the disclosure are more clearly understood, below in conjunction with specific embodiment, and reference
Accompanying drawing, the disclosure is further described.
In first exemplary embodiment of the disclosure, there is provided a kind of based on the micro- of double parallel Mach zehnder modulators
Glistening light of waves subfilter.
Fig. 1 is to be shown according to the structure of microwave photon filter of the embodiment of the present disclosure based on double parallel Mach zehnder modulators
It is intended to.Fig. 2 is the structural representation according to embodiment of the present disclosure double parallel Mach zehnder modulators.With reference to shown in Fig. 1 and Fig. 2,
Microwave photon filter of the disclosure based on double parallel Mach zehnder modulators, including：One laser 100, to produce laser；
One microwave source 200, to produce microwave source；One triple channel direct voltage source 300, to produce DC voltage, including three straight
Flow voltage output end 1 ', 2 ', 3 '；One double parallel Mach zehnder modulators 400, microwave signal is modulated on optical signal, including：
Light input end, rf inputs, three bias voltage inputs 1,2,3 and light output end；Wherein, in the double parallel Mach once
Laser caused by the light input end input laser 100 of moral modulator 400, caused by rf inputs input microwave source 200
Microwave；The corresponding phase of DC voltage output end 1 ', 2 ', 3 ' with triple channel direct voltage source 300 of bias voltage input 1,2,3
Even；Light output end, laser caused by output double parallel Mach zehnder modulators 400；One image intensifer 500, by double parallel Mach
The laser amplifier that zehnder modulators 400 export；One tunable optical bandpass filter 600, the laser exported to image intensifer 500 enter
Row filtering；And a photodetector 700, the optical signal that tunable optical bandpass filter 600 exports is converted into microwave signal
And export.
Specifically introduce microwave photon filter of the present embodiment based on double parallel Mach zehnder modulators below.
In the present embodiment, the structure of double parallel Mach zehnder modulators 400 is as shown in Fig. 2 two branch road arm parallel arrangements
Two Mach zehnder modulators, respectively first Mach of zehnder modulators and second Mach of zehnder modulators, it is a phase on principal arm
Position modulator, for controlling the phase difference between two branch road arms.One shares three control voltage V1、V2And V3, to should double flat
The voltage swing that three bias voltage inputs 1,2,3 of row Mach zehnder modulators 400 input；In these three control voltages,
First control voltage V1Control the bias point of first Mach of zehnder modulators；Second control voltage V2Once moral is adjusted for second Mach of control
The bias point of device processed；3rd control voltage V3Control the bias point of phase-modulator；And these three control voltages are realized independent
Control.
In the present embodiment, double parallel Mach zehnder modulators 400 have a light input end, and a light output end, two are penetrated
Frequency input terminal；Wherein, light input end and light output end are respectively positioned on the principal arm shown in Fig. 2；Two rf inputs correspond to respectively
Mach zehnder modulators on two branch road arms, such as RF in Fig. 21And RF2It is shown.
Laser caused by laser 100 enters principal arm from light input end, then respectively along the branch road point of two branch road arms
Not Jin Ru first Mach of zehnder modulators and second Mach of zehnder modulators, then wherein on a Mach zehnder modulators plus
Microwave signal caused by carrying microwave source 200 is modulated, and loads bias voltage, forms carrier suppressed signal；Another Mach
Microwave signal is not loaded with zehnder modulators, is light carrier, and loads another bias voltage and regulates and controls its light carrier power；Then two
The signal of individual branch road is combined into principal arm, in the control voltage V of phase-modulator3In the presence of, control carrier wave suppresses optical signal
Phase difference between light carrier, it is then in light output end that carrier wave suppression optical signal light carrier combining caused by two branch roads is defeated
Go out.
The present embodiment is with the first rf inputs RF of first Mach of zehnder modulators1Input exemplified by microwave signal,
Another rf inputs does not input microwave signal, that is, corresponds to the second rf inputs RF of second Mach of zehnder modulators2No
Input microwave signal.And first Mach of zehnder modulators on the arm of double parallel Mach zehnder modulators 400 1 are by the first control electricity
Press V1Control, in carrier wave holddown；Do not modulated by the optical signal of second Mach of zehnder modulators on another arm, but
It is its light carrier watt level by the second control voltage V2Control；Carrier wave suppresses phase difference between optical signal and light carrier by the
Three control voltage V3Control.
Specifically introduce using microwave photon filter of the present embodiment based on double parallel Mach zehnder modulators, lead to below
The bias voltage of regulation and control double parallel Mach zehnder modulators is crossed, realizes the microwave photon filter cutting between low pass and band logical
Change, tunable process.
Fig. 3 A- Fig. 3 F are the microwave photon based on double parallel Mach zehnder modulators according to embodiment of the present disclosure Fig. 1
The response switching of wave filter and tuning process schematic.
Fig. 3 A are according to embodiment of the present disclosure adjustment control voltage V3Make the phase between carrier suppressed signal and light carrier
Difference is 0, carries out schematic diagram corresponding to intensity modulated.Fig. 3 B are to adjust tunable optical bandpass filter according to the embodiment of the present disclosure
Bandpass center overlaps with optical carrier wavelength, adjusts spectral schematic corresponding to a width of 2L of band of tunable optical bandpass filter.Figure
The response of the low pass filter for a width of L of band that 3C is obtained after being the regulation according to the embodiment of the present disclosure by Fig. 3 A and Fig. 3 B
Schematic diagram.Fig. 3 D are according to embodiment of the present disclosure adjustment control voltage V3Make the phase difference between carrier suppressed signal and light carrier
For 90 °, schematic diagram corresponding to phase-modulation is carried out.Fig. 3 E are to adjust tunable optical bandpass filter according to the embodiment of the present disclosure
Bandpass center differs Δ with optical carrier wavelength, adjusts spectral schematic corresponding to a width of 2S of band of tunable optical bandpass filter.
The center that Fig. 3 F are obtained after being the regulation according to the embodiment of the present disclosure by Fig. 3 D and Fig. 3 E is S, the band logical with a width of 2 Δ
The response schematic diagram of wave filter.
From the point of view of Fig. 3 A- Fig. 3 C, the 3rd control voltage V is adjusted3Make the phase between carrier suppressed signal and light carrier
Difference is 0, as shown in Figure 3A, then to double parallel Mach zehnder modulators equivalent to intensity modulated is carried out, is then adjusted tunable
The bandpass center of optical band pass filter 600 overlaps with optical carrier wavelength, and the band of regulation tunable optical bandpass filter 600 is a width of
2L, as shown in Figure 3 B, now, the low pass filter that the response of the microwave photon filter is a width of L of band as shown in Figure 3 C.Its
In, bandwidth L meets：That relatively low depending on the middle bandwidth of both double parallel Mach zehnder modulators and photodetector；Often
See a width of 40GHz of band of double parallel Mach zehnder modulators and detector, corresponding L span is 0~40GHz；It is if double
The a width of 20GHz of band of parallel Mach zehnder modulators, a width of 40GHz of band of photodetector, then microwave photon filter
Responsive bandwidth L span is 0~20GHz.
From the point of view of Fig. 3 D- Fig. 3 F, the 3rd control voltage V is adjusted3Make the phase between carrier suppressed signal and light carrier
Difference is 90 °, as shown in Figure 3 D, then to double parallel Mach zehnder modulators equivalent to phase-modulation is carried out, is then adjusted adjustable
The bandpass center of humorous optical band pass filter 600 differs Δ, the bandwidth of regulation tunable optical bandpass filter 600 with optical carrier wavelength
For 2S, as shown in FIGURE 3 E, now, responding as center as illustrated in Figure 3 F for the microwave photon filter is S, with a width of 2 Δ
Bandpass filter；Wherein, the Δ of bandwidth 2 meets：Depending on the middle bandwidth of both double parallel Mach zehnder modulators and photodetector
Relatively low that, a width of 40GHz of band of common double parallel Mach zehnder modulators and detector, the span of corresponding 2 Δs
For 0~40GHz；Other situations fall with the preceding paragraph described in situation it is similar, do not repeat here.
It should be noted that how it is enumerated above by adjusting the Mach Zeng De on bias voltage two branch road arms of control
Phase difference between modulator realizes microwave photon filter switching between low pass and band logical, tunable process, the above
The a width of L of band of description low pass filter, the specific frequency of the bandpass filter with a width of 2 Δ according in the market Mach, once adjust by moral
The frequency range of device processed and the condition of practical application are set, and are not limited here.Common Mach was once in the market
Moral modulator can adjust the frequency range of realization between 0~40GHz, but the disclosure is not limited to this.
In summary, present disclose provides a kind of microwave photon filter based on double parallel Mach zehnder modulators, lead to
The characteristics of can switching using double parallel Mach zehnder modulators in intensity modulated and phase-modulation the two working conditions is spent, knot
Unification tunable optical bandpass filter, it is only necessary to regulate and control the bias voltage of double parallel Mach zehnder modulators, can be with realization
The microwave photon filter switching, be tunable between low pass and band logical, it is simple in construction, while have concurrently high bandwidth, low-loss,
The advantages of anti-electromagnetic interference capability is strong.
It is emphasized that the shape and size of each part do not reflect actual size and ratio in figure, and only illustrate this public affairs
Open the content of embodiment.Furthermore word " comprising " does not exclude the presence of element or step not listed in the claims.Positioned at element
Word "a" or "an" before does not exclude the presence of multiple such elements.It may be noted that specification in claim with being made
The word of ordinal number such as " first ", " second ", " the 3rd " etc., to modify corresponding element, itself is not meant to this
Element has any ordinal number, does not also represent a certain element and the order in the order or manufacture method of another element, those sequences
Several uses is only used for enabling the element with certain name to be able to make clear differentiation with another element with identical name.
Particular embodiments described above, the purpose, technical scheme and beneficial effect of the disclosure are carried out further in detail
Describe in detail bright, should be understood that the specific embodiment that the foregoing is only the disclosure, be not limited to the disclosure, it is all
Within the spirit and principle of the disclosure, any modification, equivalent substitution and improvements done etc., the guarantor of the disclosure should be included in
Within the scope of shield.
Claims (10)
1. a kind of microwave photon filter based on double parallel Mach zehnder modulators, including：
One double parallel Mach zehnder modulators, including：Two parallel Mach zehnder modulators, on two branch road arms；One
Phase-modulator, on principal arm, for controlling the phase difference between two branch road arms；
One triple channel direct voltage source, including three DC voltage output ends, to produce DC voltage, and respectively described in control
The bias voltage of two parallel Mach zehnder modulators and the phase-modulator；
One image intensifer, the laser amplifier that the double parallel Mach zehnder modulators are exported；
One tunable optical bandpass filter, its bandwidth and center are tunable, and the laser of image intensifer output is filtered；
And
One photodetector, the optical signal exported after the tunable optical band-pass filter is converted into microwave signal and defeated
Go out.
2. microwave photon filter according to claim 1, wherein, the double parallel Mach zehnder modulators include：
One light input end, to input laser；
Two rf inputs, to input the microwave signal of modulation laser；
Three bias voltage inputs, phase is corresponded with three DC voltage output ends of the triple channel direct voltage source
Even；And
Light output end, to export laser.
3. microwave photon filter according to claim 2, wherein, described two rf inputs are respectively positioned at described double
On two parallel Mach zehnder modulators on two branch road arms of parallel Mach zehnder modulators, and one of radio frequency
Input has the input of the microwave signal.
4. microwave photon filter according to claim 3, wherein：
Three road DC voltages caused by the triple channel direct voltage source correspond to respectively is input to three bias voltages input
End, corresponding three control voltages, independently controls described two parallel Mach zehnder modulators and the phase-modulator
Bias voltage；
Carrier wave is presented under the Mach zehnder modulators regulation of a control voltage wherein for having microwave signal to input and suppresses shape
State, form carrier wave and suppress optical signal；
The light carrier of the wherein another Mach zehnder modulators parallel with the Mach zehnder modulators for thering is microwave signal to input
Watt level adjusted by another control voltage.
5. microwave photon filter according to claim 4, wherein, the carrier wave suppresses between optical signal and light carrier
Phase difference is adjusted by remaining control voltage in three control voltages, realizes the switching between low pass and band logical.
6. microwave photon filter according to claim 5, the microwave photon filter is in low pass state, corresponding
With a width of L, wherein：
The phase difference that the carrier wave suppresses between optical signal and light carrier is zero；
The bandpass center of the tunable optical bandpass filter overlaps with the wavelength of the light carrier；
And a width of 2L of band of the tunable optical bandpass filter.
7. microwave photon filter according to claim 5, the microwave photon filter is in band logical state, corresponding
Center is S, with a width of 2 Δ, wherein：
The phase difference that the carrier wave suppresses between optical signal and light carrier is 90 °；
The bandpass center of the tunable optical bandpass filter differs Δ with the wavelength of the light carrier；
And a width of 2S of band of the tunable optical bandpass filter.
8. microwave photon filter according to claim 6, wherein, bandwidth L expires corresponding to the microwave photon filter
Foot：That relatively low depending on the middle bandwidth of both double parallel Mach zehnder modulators and photodetector.
9. microwave photon filter according to claim 7, wherein, the Δ of bandwidth 2 corresponding to the microwave photon filter
Meet：Depending on relatively low that of bandwidth among double parallel Mach zehnder modulators and photodetector.
10. according to the microwave photon filter described in any one of claim 1 to 9, in addition to：
One laser, to produce laser, input the light input end；And
One microwave source, to produce microwave source, input the rf inputs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710621042.0A CN107367880B (en) | 2017-07-26 | 2017-07-26 | Microwave photon filter based on double parallel Mach zehnder modulators |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710621042.0A CN107367880B (en) | 2017-07-26 | 2017-07-26 | Microwave photon filter based on double parallel Mach zehnder modulators |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107367880A true CN107367880A (en) | 2017-11-21 |
| CN107367880B CN107367880B (en) | 2019-12-03 |
Family
ID=60308483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710621042.0A Active CN107367880B (en) | 2017-07-26 | 2017-07-26 | Microwave photon filter based on double parallel Mach zehnder modulators |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107367880B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109659797A (en) * | 2019-03-01 | 2019-04-19 | 电子科技大学 | Optical-electronic oscillator system for optimization of mutually making an uproar |
| CN110233678A (en) * | 2019-05-15 | 2019-09-13 | 上海交通大学 | Chip is handled based on silicon substrate integrated micro photon acceptor |
| CN110518983A (en) * | 2019-09-10 | 2019-11-29 | 中国科学院半导体研究所 | Reconfigurable filter based on dual-polarization double parallel MZ Mach-Zehnder |
| RU2721739C1 (en) * | 2019-06-07 | 2020-05-21 | Федеральное государственное бюджетное образовательное учреждение "Казанский национальный исследовательский технический университет им. А.Н. Туполева - КАИ" | Fiber-optic instantaneous frequency measuring system of multiple microwave signals |
| CN114614938A (en) * | 2020-12-08 | 2022-06-10 | 军事科学院系统工程研究院网络信息研究所 | Wavelength division multiplexing channel switching method of vernier-like caliper |
| RU2799112C1 (en) * | 2023-03-28 | 2023-07-04 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Казанский национальный исследовательский технический университет им. А.Н. Туполева - КАИ" | Fiber-optical system for measuring instant frequencies of multiple microwave signals |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101339346A (en) * | 2008-08-14 | 2009-01-07 | 上海交通大学 | Device and method for full light generation for quadruple high speed millimeter wave signal |
| CN102215069A (en) * | 2011-05-26 | 2011-10-12 | 北京交通大学 | Frequency-adjustable triangle-wave photon generator |
| CN103018838A (en) * | 2012-12-07 | 2013-04-03 | 南京邮电大学 | Broadband tuning high-Q-value single-passband microwave photonic filter |
| CN103235374A (en) * | 2013-04-15 | 2013-08-07 | 华中科技大学 | Microwave photon filter of multi-wavelength light source and tuning and reconfiguring method of microwave photon filter |
| CN103744249A (en) * | 2013-12-30 | 2014-04-23 | 西安电子科技大学 | Device and method for generating broadband OFC (Optical Frequency Comb) |
-
2017
- 2017-07-26 CN CN201710621042.0A patent/CN107367880B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101339346A (en) * | 2008-08-14 | 2009-01-07 | 上海交通大学 | Device and method for full light generation for quadruple high speed millimeter wave signal |
| CN102215069A (en) * | 2011-05-26 | 2011-10-12 | 北京交通大学 | Frequency-adjustable triangle-wave photon generator |
| CN103018838A (en) * | 2012-12-07 | 2013-04-03 | 南京邮电大学 | Broadband tuning high-Q-value single-passband microwave photonic filter |
| CN103235374A (en) * | 2013-04-15 | 2013-08-07 | 华中科技大学 | Microwave photon filter of multi-wavelength light source and tuning and reconfiguring method of microwave photon filter |
| CN103744249A (en) * | 2013-12-30 | 2014-04-23 | 西安电子科技大学 | Device and method for generating broadband OFC (Optical Frequency Comb) |
Non-Patent Citations (1)
| Title |
|---|
| 黄聪: "可调谐带通微波光子滤波器的研究", 《中国硕士学位论文信息科技辑》 * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109659797A (en) * | 2019-03-01 | 2019-04-19 | 电子科技大学 | Optical-electronic oscillator system for optimization of mutually making an uproar |
| CN110233678A (en) * | 2019-05-15 | 2019-09-13 | 上海交通大学 | Chip is handled based on silicon substrate integrated micro photon acceptor |
| CN110233678B (en) * | 2019-05-15 | 2022-03-08 | 上海交通大学 | Silicon-based integrated microwave photon receiving and processing chip |
| RU2721739C1 (en) * | 2019-06-07 | 2020-05-21 | Федеральное государственное бюджетное образовательное учреждение "Казанский национальный исследовательский технический университет им. А.Н. Туполева - КАИ" | Fiber-optic instantaneous frequency measuring system of multiple microwave signals |
| CN110518983A (en) * | 2019-09-10 | 2019-11-29 | 中国科学院半导体研究所 | Reconfigurable filter based on dual-polarization double parallel MZ Mach-Zehnder |
| CN110518983B (en) * | 2019-09-10 | 2020-08-25 | 中国科学院半导体研究所 | Reconfigurable filter based on dual-polarization dual-parallel Mach-Zehnder modulator |
| CN114614938A (en) * | 2020-12-08 | 2022-06-10 | 军事科学院系统工程研究院网络信息研究所 | Wavelength division multiplexing channel switching method of vernier-like caliper |
| CN114614938B (en) * | 2020-12-08 | 2024-04-23 | 军事科学院系统工程研究院网络信息研究所 | Wavelength division multiplexing channel switching method of vernier caliper |
| RU2799112C1 (en) * | 2023-03-28 | 2023-07-04 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Казанский национальный исследовательский технический университет им. А.Н. Туполева - КАИ" | Fiber-optical system for measuring instant frequencies of multiple microwave signals |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107367880B (en) | 2019-12-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107367880B (en) | Microwave photon filter based on double parallel Mach zehnder modulators | |
| CN102368582B (en) | Laser wavelength adjustment-based opto-electronic oscillator with tunable frequency and broadband | |
| CN110233678B (en) | Silicon-based integrated microwave photon receiving and processing chip | |
| CN106249354B (en) | A kind of microwave photon bandstop filter based on micro-loop Yu Mach Zehnder interferometry structure | |
| CN103715480B (en) | A kind of single tape of ultra high quality factor leads to tunable microwave photon filter | |
| CN107947866A (en) | Based on dual-polarization modulator carrier wave sideband optical SSB modulation method more adjustable than dynamic | |
| CN103235374B (en) | Microwave photon filter of multi-wavelength light source and tuning and reconfiguring method of microwave photon filter | |
| CN106953699B (en) | The method of photonics wide-band microwave single sideband modulation | |
| CN105978631A (en) | Device and method for eliminating photonic microwave self-interference signals | |
| CN106850068A (en) | Using double parallel horse in parallel, once modulator and balanced detector improve the device and method of microwave photon link dynamic range | |
| CN110011174A (en) | Optics phase-lock technique and device based on microwave photon frequency dividing | |
| CN109347560A (en) | Freely tunable dual-passband microwave photon filter device and implementation method | |
| CN108594478A (en) | The generation device and method of super flat optical frequency com based on dual-polarization modulator | |
| CN103018928A (en) | Tunable microwave photonic filter based on photoinjection semiconductor laser system | |
| CN111458908A (en) | Micro-ring electro-optical modulator based on lithium niobate single crystal thin film and use method and application thereof | |
| CN110908146A (en) | Silicon-based integrated tunable band-pass filter | |
| US20220019023A1 (en) | Variable bandwidth microring optical filter device and method with frequency tuning | |
| CN110336611A (en) | Image interference based on fiber dispersion effects inhibits frequency mixer | |
| CN106685534A (en) | Coherent light detection-based down-conversion implementation method and device | |
| CN106450604B (en) | A kind of adjustable plane bimodulus balun bandpass filter of transmission zero | |
| CN111736368A (en) | Reconfigurable microwave photon filter based on fiber grating | |
| CN105591271A (en) | Narrow line width laser device capable of realizing wideband linear frequency modulation | |
| CN106154590A (en) | Continuously adjustable trap microwave photon filter based on four-wave mixing | |
| CN107863679A (en) | Device caused by laser of frequency modulation signal based on phase-modulator | |
| CN107942541A (en) | A kind of Drive And Its Driving Method of lithium niobate modulator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |