CN201204369Y - Device for generating high-frequency microwave signal - Google Patents
Device for generating high-frequency microwave signal Download PDFInfo
- Publication number
- CN201204369Y CN201204369Y CNU2008200876082U CN200820087608U CN201204369Y CN 201204369 Y CN201204369 Y CN 201204369Y CN U2008200876082 U CNU2008200876082 U CN U2008200876082U CN 200820087608 U CN200820087608 U CN 200820087608U CN 201204369 Y CN201204369 Y CN 201204369Y
- Authority
- CN
- China
- Prior art keywords
- pulse laser
- mode locking
- locking pulse
- microwave signal
- frequency
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Lasers (AREA)
Abstract
The utility model relates to a device for generating high frequency microwave signal. Frequency of microwave signal generated by technique in prior art is not high enough. Output terminal of phase-locked pulse laser is sequentially connected with a multiplier for repeated frequency of a plurality of mode-locked pulse laser, and connected with output terminal of the photoelectric probe. The multiplier for repeated frequency of mode-locked pulse laser is laser loop formed by connecting an optical coupler with power ratio of 2:1, an outputting interface with power ratio of 2:3, and secondary inputting interface. The main input interface of the optical coupler is input interface of the multiplier for repeated frequency of mode-locked pulse laser. Outputting interface with power ratio of 1:3 of the optical coupler is input terminal of the multiplier for repeated frequency of mode-locked pulse laser. The utility model is suitable for generation of high-frequency microwave signal, having advantages of low cost, simple construction.
Description
Technical field
The utility model belongs to for the microwave photon field that learns a skill, and relates to a kind of the multiplication based on mode locking pulse laser repetition rate and produces the device of high-frequency microwave signal.
Background technology
It is a cross discipline of rising recently that microwave photon is learned, and this cross discipline provides new method for some knotty problems that solve photonic propulsion, microwave and learn in the subject separately.The present method of transmitting in the light carrier mode in optical fiber based on microwave signal generation, microwave filtering and the microwave of photonic propulsion is reported successively, the cross discipline advantage that these methods have utilized microwave photon to learn, overcome realize during microwave is learned in the processes such as microwave signal generations, microwave filtering some such as the lower intrinsic difficulty of processing frequency.
One of application of learning as microwave photon, utilizing mode locking pulse laser to generate microwave signal is to have advantage of simple structure at present.Yet, there is a great shortcoming in this generation microwave signal, it is exactly the electrical modulation signal of mode locking pulse laser itself needs that generally is applied to produce microwave signal, because the frequency of this electrical modulation signal itself is limited, the microwave signal frequency that produces can not be too high, and the frequency of microwave signal that can be practical is exactly the repetition rate of mode locking pulse laser.This shortcoming also weakened greatly utilize microwave photon to learn a skill to produce microwave signal advantage---microwave signal frequency does more than traditional electrical method.
Summary of the invention
The utility model provides a kind of the multiplication based on mode locking pulse laser repetition rate to produce the device of high-frequency microwave signal at the deficiencies in the prior art.
The utility model device comprises by optical fiber and connects into the mode locking pulse laser of linear structure, multiplication structure, the photoelectric probe of mode locking pulse laser repetition rate, wherein the multiplication structure of the output of mode locking pulse laser and a plurality of mode locking pulse laser repetition rates is contacted successively, output after the multiplication structure polyphone of a plurality of mode locking pulse laser repetition rates is connected with the input of photoelectric probe, and the output of photoelectric probe is as the output port of high-frequency microwave signal; The multiplication structure of each mode locking pulse laser repetition rate is meant that the power proportion by subtraction is that the optical coupler power proportion by subtraction of 2:1 is that 2/3 output port and secondary input end mouth connect into fiber optic loop by optical fiber, the primary input port of optical coupler is the input port of mode locking pulse laser repetition rate multiplication structure, and the power proportion by subtraction of optical coupler is that 1/3 output port is the output port of mode locking pulse laser repetition rate multiplication structure.
The utility model mainly is applicable to the generation of high-frequency microwave signal, has with low cost, advantage of simple structure, is fit to microwave photon and learns multiple application such as research, microwave communication.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
As shown in Figure 1, the output of mode locking pulse laser 1 is connected with the input of the multiplication structure 2 of mode locking pulse laser repetition rate, the multiplication structure 2 of mode locking pulse laser repetition rate is meant that the power proportion by subtraction is that optical coupler power 3 proportions by subtraction of 2:1 are that 2/3 output port and secondary input end mouth connect into fiber optic loop by optical fiber 4, the primary input port of optical coupler 3 is the input port of mode locking pulse laser repetition rate multiplication structure 2, the power proportion by subtraction of optical coupler 3 is that 1/3 output port is the output port of mode locking pulse laser repetition rate multiplication structure 2, the output of the multiplication structure 2 of mode locking pulse laser repetition rate is connected with the input of photoelectric probe 5, and the output of photoelectric probe 5 is as the high-frequency microwave signal output port.
The method that the utility model device specifically produces high-frequency microwave signal may further comprise the steps:
(1), selects mode locking pulse laser and mode locking pulse laser repetition rate multiplication factor 2 for use according to the required frequency f of obtaining high-frequency microwave signal
n, satisfy f
0=f/2
n, while f
0＜10GHz, wherein f
0Repetition rate for the mode locking pulse laser.
(2) select the multiplication structure of n mode locking pulse laser repetition rate for use, wherein the fiber optic loop length of i multiplication structure is L
i=(2k
i+ 1) V/ (2
if
0), i=1 wherein, 2 ..., n, k
iFor positive integer, V are the propagation velocity of light in optical fiber.
(3) selecting operating frequency is f
OePhotoelectric probe, f＜f
Oe＜2f; The multiplication structure and the photoelectric probe of the mode locking pulse laser that step (1) is selected for use, n the mode locking pulse laser repetition rate that step (2) is selected for use are connected in proper order.
(4) open the mode locking pulse laser, the repetition rate of mode locking pulse laser output is f
0Becoming repetition rate after the multiplication structure of pulse train through n mode locking pulse laser repetition rate is f=2
nf
0Pulse train, this pulse train enters and obtains the high-frequency microwave signal output that frequency is f after the photoelectric probe.
Claims (1)
1, a kind of generation high-frequency microwave signal device, comprise by optical fiber and connect into the mode locking pulse laser of linear structure, multiplication structure, the photoelectric probe of mode locking pulse laser repetition rate, it is characterized in that: the multiplication structure of the output of mode locking pulse laser and a plurality of mode locking pulse laser repetition rates is contacted successively, output after the multiplication structure polyphone of a plurality of mode locking pulse laser repetition rates is connected with the input of photoelectric probe, and the output of photoelectric probe is as the output port of high-frequency microwave signal;
The multiplication structure of described mode locking pulse laser repetition rate is that the power proportion by subtraction of the optical coupler of 2:1 is that 2/3 output port and secondary input end mouth connect into fiber optic loop by optical fiber for the power proportion by subtraction, the primary input port of optical coupler is the input port of mode locking pulse laser repetition rate multiplication structure, and the power proportion by subtraction of optical coupler is that 1/3 output port is the output port of mode locking pulse laser repetition rate multiplication structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200876082U CN201204369Y (en) | 2008-05-20 | 2008-05-20 | Device for generating high-frequency microwave signal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200876082U CN201204369Y (en) | 2008-05-20 | 2008-05-20 | Device for generating high-frequency microwave signal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201204369Y true CN201204369Y (en) | 2009-03-04 |
Family
ID=40426684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200876082U Expired - Fee Related CN201204369Y (en) | 2008-05-20 | 2008-05-20 | Device for generating high-frequency microwave signal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201204369Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104022429A (en) * | 2014-06-27 | 2014-09-03 | 中国科学院电子学研究所 | High-peak-power microwave output device |
| CN110703533A (en) * | 2019-10-22 | 2020-01-17 | 成都天奥电子股份有限公司 | Optical frequency comb repetition frequency multiplier based on optical fiber ring interferometer |
-
2008
- 2008-05-20 CN CNU2008200876082U patent/CN201204369Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104022429A (en) * | 2014-06-27 | 2014-09-03 | 中国科学院电子学研究所 | High-peak-power microwave output device |
| CN110703533A (en) * | 2019-10-22 | 2020-01-17 | 成都天奥电子股份有限公司 | Optical frequency comb repetition frequency multiplier based on optical fiber ring interferometer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201204369Y (en) | Device for generating high-frequency microwave signal | |
| CN106785832A (en) | Pulse optical fiber | |
| CN103427331A (en) | Driver of vertical cavity surface emitting laser | |
| CN203366524U (en) | High-speed signal isolation and transmission system based on FPGA (field programmable gate array) | |
| CN102075260A (en) | Heralded single-photon source generation device for quantum communication | |
| CN101286802A (en) | Method and device for generating high-frequency microwave signal | |
| CN102508014B (en) | Power line carrier communication zero-crossing detection system and method thereof | |
| CN103259601A (en) | Optical signal phase modulation device for quantum secret key communication | |
| CN111431618B (en) | BiCMOS (Bipolar complementary Metal oxide semiconductor) optical transmitter driving circuit based on PAM4 modulation mode | |
| CN102354193A (en) | Switching signal acquisition method | |
| CN218631330U (en) | 8080 interface SPI (serial peripheral interface) conversion test system | |
| CN103762938A (en) | Intelligent power source management circuit applicable to optical energy supply system | |
| CN101534117A (en) | A signal switching circuit | |
| CN204464744U (en) | A kind of microwave signal generation device | |
| CN103001901B (en) | Integrated circuit high-speed digital interface module based on modified difference pulse code modulation (MDPCM) | |
| CN203722575U (en) | Intelligent power management circuit suitable for optical fiber energy supply system | |
| CN106230412B (en) | It is a kind of to integrate push-pull type narrow pulse driver towards silicon optical switch | |
| CN214410273U (en) | Signal conversion acquisition system based on optical fiber communication protocol | |
| CN206353776U (en) | A kind of optical communication signal amplifier | |
| CN110719045B (en) | Chopping control system of traction inverter | |
| CN205901744U (en) | A soliton communication system for distance information transmission far away | |
| CN201174701Y (en) | All-optical rate promoting system for optical data package with long frame construction | |
| CN109412396A (en) | A kind of small-sized controllable high-voltage switching device based on light-coupled isolation driving | |
| Meng et al. | A 5-gbps serializer asic in 130 nm for high-speed front-end readout applications | |
| CN206248719U (en) | A kind of high-pressure side DC voltage sampling module of electric power electric transformer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20090304 |