CN103986056B - A kind of based on the temperature controlled adjustable microwave signal generation device of TEC and method - Google Patents
A kind of based on the temperature controlled adjustable microwave signal generation device of TEC and method Download PDFInfo
- Publication number
- CN103986056B CN103986056B CN201410202094.0A CN201410202094A CN103986056B CN 103986056 B CN103986056 B CN 103986056B CN 201410202094 A CN201410202094 A CN 201410202094A CN 103986056 B CN103986056 B CN 103986056B
- Authority
- CN
- China
- Prior art keywords
- brillouin
- laser
- microwave signal
- tec
- bonder
- 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.)
- Active
Links
Abstract
The invention discloses a kind of based on the temperature controlled adjustable microwave signal generation device of TEC and method, this device includes: laser element, the first bonder, fiber amplifier, the second bonder, photodetector and Brillouin's annular cavity laser unit；The laser that laser element produces is divided into two-way through the first bonder, wherein a road laser is as Brillouin's pump light, it is amplified into Brillouin's annular cavity laser unit through fiber amplifier, gain fibre is entered into from the second port of circulator, and in gain fibre, produce back-scattering light, counterclockwise transmit in the annular chamber of Brillouin's annular cavity laser unit, and from the 3rd bonder of Brillouin's annular chamber laser cell, export Brillouin laser signal, described Brillouin laser signal couples in the second bonder with local oscillator optical signal light, and be converted to microwave signal output by photodetector, high-frequency microwave signal can not only be produced, obtain the tunable microwave signal source of high accuracy.
Description
Technical field
The present invention relates to microwave signal field, particularly relate to a kind of based on the temperature controlled adjustable microwave signal generation device of TEC and method.
Background technology
Along with the fast development of information technology, data service increases rapidly, and the requirement of bandwidth is consequently increased.Tradition has approached the processing limit of electronic device based on digital electronic technology, and the difficulty improving equipment processing speed further is increasing, occurs in that the problem such as the restriction of bandwidth and the electronic bottleneck of exchange system.Optical technology demonstrates, in the generation etc. of high speed signal, the advantage that electronic technology is incomparable, makes full use of the superiority bandwidth of optical technology and realizes high speed full optical information technology and just seem extremely important.Microwave photon learns a skill and the advantage such as mobility and the big bandwidth of optical fiber technology, low-loss and small size of radio-frequency technique is organically combined, and efficiently solves the restriction of electronic bottleneck.Therefore, high-quality adjustable microwave signal has broad application prospects in fields such as radar, sensing and radio communications.In fibre system, the microwave signal of transmission can be subject to the impact of the factors such as fibre-optical dispersion and be distorted and distortion, and the more high influence of microwave frequency is more big.The method producing microwave signal at present mainly includes microwave frequency shift modulation method and optical heterodyne method.Profound scholar is bright waits the patent of invention (grant number: CN20081006124.7) proposed, and adopts the method for microwave source and electrooptic modulator to obtain the microwave signal of 11GHz.But in the method for this microwave frequency shift modulation, it is necessary to use high-speed modulator, limit the generation of high-frequency microwave signal, and expensive.Some scholars propose and pass through Brillouin scattering, the scheme of microwave signal is obtained in conjunction with light heterodyne method, such as the patent of invention (grant number: CN200910155858.4) proposed such as Fu Jiaojiao, adopt the difference frequency acquisition microwave signal of Brillouin scattering and pump light, the patent of invention (publication No.: CN102856778A) that Wang Rugang et al. proposes, adopts Brillouin scattering method to obtain adjustable microwave signal.But, these tunable range producing microwave signal are less, limit its application in fields such as radars, and systematic comparison is complicated, adds the cost of system, and the volume of system is all relatively larger, be not suitable for current miniaturization and highly integrated development trend.
Summary of the invention
The present invention makes in view of the foregoing, its objective is to provide a kind of based on TEC (ThermoElectricCooler, semiconductor cooler) temperature controlled adjustable microwave signal generation device and method, high-frequency microwave signal can not only be produced, and be obtained in that the tunable microwave signal source of high accuracy.
The technical scheme is that, a kind of based on the temperature controlled adjustable microwave signal generation device of TEC, including: laser element, the first bonder, fiber amplifier, the second bonder, photodetector and Brillouin's annular cavity laser unit.
The laser that laser element produces is divided into two-way through the first bonder, wherein a road laser is as Brillouin's pump light, it is amplified into Brillouin's annular cavity laser unit through fiber amplifier, in Brillouin's annular cavity laser unit, described Brillouin's pump light enters the first port of circulator, gain fibre is entered into from the second port of circulator, and in gain fibre, produce back-scattering light, back-scattering light enters into Polarization Controller through the 3rd port of circulator, counterclockwise transmit in the annular chamber of Brillouin's annular cavity laser unit, and from the 3rd bonder of Brillouin's annular chamber laser cell, export Brillouin laser signal, described Brillouin laser signal couples in the second bonder with local oscillator optical signal light, and be converted to microwave signal output by photodetector.
Wherein, described Brillouin's annular cavity laser unit includes: circulator, gain fibre, TEC temperature controller unit, optoisolator, Polarization Controller and the 3rd bonder.
Described TEC temperature controller unit includes: heat transfer plate, sensor, control circuit and TEC temperature control chip.
The heat transfer plate of described TEC temperature controller unit is copper coin or aluminium sheet etc..
The sensor of described TEC temperature controller unit is critesistor or other temperature sensor.
The control circuit of described TEC temperature controller unit is based on the IC circuit of amplifier, or based on single-chip microcomputer, the control circuit of ARM.
Described Brillouin's annular cavity laser unit is single-frequency Brillouin laser.
Described gain fibre is general single mode fiber.
Described photodetector is balanced detector.
Described microwave signal is adjustable microwave signal.
Further, described adjustable microwave signal obtains by regulating the pumping wavelength of laser element, or, the brillouin frequency in-migration changing gain fibre by regulating the temperature of TEC temperature controller unit obtains.
According to a further aspect in the invention, it is provided that a kind of based on the temperature controlled adjustable microwave signal generating method of TEC, including step:
Step S1, is divided into two-way by laser through the first bonder.
Step S2, wherein a road light is as Brillouin's pump light, is amplified into Brillouin's annular cavity laser through fiber amplifier.
Step S3, in Brillouin's annular cavity laser, Brillouin's pump light enters the first port of circulator, gain fibre is entered into from the second port of circulator, and in gain fibre, produce back-scattering light, back-scattering light enters into Polarization Controller through the 3rd port of circulator, counterclockwise transmits in the annular chamber of Brillouin's annular cavity laser.
Step S4, exports Brillouin laser signal from the 3rd bonder of Brillouin's annular chamber laser.
Step S5, couples Brillouin laser signal with local oscillator optical signal light in the second bonder, and is converted to microwave signal output by photodetector.
Wherein, described Brillouin's annular cavity laser includes: circulator, brillouin gain fiber unit, TEC temperature controller unit, optoisolator, Polarization Controller and the 3rd bonder.
Described TEC temperature controller unit includes: heat transfer plate, sensor, control circuit and TEC temperature control chip.
Described Brillouin's annular cavity laser is single-frequency Brillouin laser.
Described gain fibre is general single mode fiber.
Described photodetector is balanced detector.
Described microwave signal is adjustable microwave signal.
Further, described adjustable microwave signal obtains by regulating the pumping wavelength of laser element, or, the brillouin frequency in-migration changing gain fibre by regulating the temperature of TEC temperature controller unit obtains.
The temperature of present invention wavelength and TEC temperature controller by controlling pump light regulates the frequency of output microwave signal, High-precision Microwave signal can not only be produced, and it is obtained in that bandwidth adjustable microwave signal, assembly of the invention does not need electronic device simultaneously, greatly reduce electromagnetic interference, and have that volume is little, precision is high, the advantage of with low cost and simple in construction.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation based on the temperature controlled adjustable microwave signal generation device of TEC of the present invention；
Fig. 2 is the structural representation of the TEC temperature controller unit of the present invention；
Fig. 3 is a kind of schematic flow sheet based on the temperature controlled adjustable microwave signal generating method of TEC of the present invention；
Fig. 4 is the structural representation in the embodiment of the present invention one based on the temperature controlled adjustable microwave signal generation device of TEC；
Fig. 5 is the structural representation of TEC temperature controller unit in the embodiment of the present invention one；
Fig. 6 is temperature-control circuit schematic diagram in the embodiment of the present invention one；
Fig. 7 is the structural representation in the embodiment of the present invention two based on the temperature controlled adjustable microwave signal generation device of TEC；
Fig. 8 is the structural representation of TEC temperature controller unit in the embodiment of the present invention two；
Fig. 9 is temperature-control circuit schematic diagram in the embodiment of the present invention two；
Figure 10 is the relation schematic diagram of microwave signal frequency and TEC temperature in the embodiment of the present invention；
Figure 11 is the relation schematic diagram of microwave signal frequency and pump spectrum wavelength in the embodiment of the present invention.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearly understand, below in conjunction with detailed description of the invention and with reference to accompanying drawing, the present invention is described in more detail.It should be understood that these descriptions are illustrative of, and it is not intended to limit the scope of the present invention.Additionally, in the following description, the description to known features and technology is eliminated, to avoid unnecessarily obscuring idea of the invention.
The present invention provides a kind of based on the temperature controlled adjustable microwave signal generation device of TEC and method, can not only produce high-frequency microwave signal, and be obtained in that the tunable microwave signal source of high accuracy.
As shown in Fig. 1, Fig. 2, a kind of based on the temperature controlled adjustable microwave signal generation device of TEC, including: laser element 100, the first bonder 101, fiber amplifier 102, the second bonder 110, photodetector 111 and Brillouin's annular cavity laser unit 103.
The laser that laser element 100 produces is divided into two-way through the first bonder 101, wherein a road laser is as Brillouin's pump light, it is amplified into Brillouin's annular cavity laser unit 103 through fiber amplifier 102, in Brillouin's annular cavity laser unit 103, described Brillouin's pump light enters the first port of circulator 104, gain fibre 105 is entered into from the second port of circulator 104, and in gain fibre 105, produce back-scattering light, back-scattering light enters into Polarization Controller 109 through the 3rd port of circulator 104, counterclockwise transmit in the annular chamber of Brillouin's annular cavity laser unit 103, and from the 3rd bonder 108 of Brillouin's annular chamber laser cell 103, export Brillouin laser signal, described Brillouin laser signal couples in the second bonder 110 with local oscillator optical signal light, and be converted to microwave signal output by photodetector 111.
Wherein, Brillouin's annular cavity laser unit 103 includes: circulator 104, gain fibre 105, TEC temperature controller unit 106, optoisolator 107, Polarization Controller 109 and the 3rd bonder 108.
TEC temperature controller unit 106 includes: heat transfer plate 113, sensor 114, control circuit 115 and TEC temperature control chip 116.
The heat transfer plate 113 of TEC temperature controller unit 106 is aluminium sheet.
The sensor 114 of TEC temperature controller unit 106 is critesistor.
The control circuit 115 of TEC temperature controller unit 106 is based on the IC circuit of amplifier, or based on single-chip microcomputer, the control circuit of AR.
Brillouin's annular cavity laser unit 103 is single-frequency Brillouin laser.
Gain fibre 105 is general single mode fiber.
Photodetector 111 is balanced detector.
Described microwave signal is adjustable microwave signal.
Adjustable microwave signal obtains by regulating the pumping wavelength of laser element 100, or, the brillouin frequency in-migration changing gain fibre 105 by regulating the temperature of TEC temperature controller unit 106 obtains.
As it is shown on figure 3, one is based on the temperature controlled adjustable microwave signal generating method of TEC, including step:
Step S1, is divided into two-way by laser through the first bonder.
Step S2, wherein a road light is as Brillouin's pump light, is amplified into Brillouin's annular cavity laser through fiber amplifier.
Step S3, in Brillouin's annular cavity laser, Brillouin's pump light enters the first port of circulator, gain fibre is entered into from the second port of circulator, and in gain fibre, produce back-scattering light, back-scattering light enters into Polarization Controller through the 3rd port of circulator, counterclockwise transmits in the annular chamber of Brillouin's annular cavity laser.
Step S4, exports Brillouin laser signal from the 3rd bonder of Brillouin's annular chamber laser.
Step S5, couples Brillouin laser signal with local oscillator optical signal light in the second bonder, and is converted to microwave signal output by photodetector.
Wherein, described Brillouin's annular cavity laser includes: circulator, brillouin gain fiber unit, TEC temperature controller unit, optoisolator, Polarization Controller and the 3rd bonder.
Described TEC temperature controller unit includes: heat transfer plate, sensor, control circuit and TEC temperature control chip.
Described Brillouin's annular cavity laser is single-frequency Brillouin laser.
Described gain fibre is general single mode fiber.
Described photodetector is balanced detector.
Described microwave signal is adjustable microwave signal.
Further, described adjustable microwave signal obtains by regulating the pumping wavelength of laser element, or, the brillouin frequency in-migration changing gain fibre by regulating the temperature of TEC temperature controller unit obtains.
Embodiment one
As shown in Figures 4 to 6, laser element is Agilent narrow line width regulatable laser 200, the light of its output is divided into two bundles by the first bonder 201 (95:5), wherein the light of 95% enters into erbium-doped fiber amplifier 202, as the pump light of Brillouin's annular cavity laser unit 203 after fiber amplifier 202 amplifies, after the second bonder 210 (50:50) couples, enter into balance photodetector 211 from the optical signal of Brillouin laser unit 203 output with local oscillator light, export microwave signal from balance photodetector 211.Brillouin's annular cavity laser unit 203 includes: circulator 204, Polarization Controller 209, the 3rd bonder 208 (80:20), isolator 207, general single mode fiber 205 and TEC temperature controller unit 206.TEC temperature controller unit 206 includes: aluminium sheet 213, negative tempperature coefficient thermistor 214, TEC temperature control chip 216 and temperature-control circuit 215.TEC temperature controller unit 206 adopts LM224 amplifier to realize the voltage transformation of critesistor 214, and final output voltage is 3V, and electric current is 1A, and whole Circuits System all adopts ± and the power supply of 5V powers.TEC temperature control chip 216 is high power semi-conductor cooling piece TEC1-12715, maximum current and voltage respectively 15A and 15.4V.Gain fibre is general single mode fiber 205, length is about 10m, the light exported by erbium-doped fiber amplifier 202, enter into the first port of circulator 204, enter into general single mode fiber unit 205 from the second port of circulator 204, general single mode fiber unit 205 is by the control of TEC temperature controller unit 206, incident illumination produces Brillouin scattering dorsad in general single mode fiber unit 205, by the 3rd port output of circulator 204, counterclockwise transmission in annular chamber, in order to control the quality of brillouin scattering signal, the transmission direction of Brillouin scattering adds optoisolator 207, Brillouin laser signal is exported by a point of arm (20%) of the 3rd bonder 208.The local oscillator light of the Brillouin laser signal of output and the output of the first bonder 201 couples in the second bonder 210 (50:50), microwave signal output is converted to by balancing photodetector 211, output signal is analyzed through the measurement of Agilent spectrum analyzer, and the temperature of the wavelength and TEC temperature controller unit 206 that regulate Agilent narrow line width regulatable laser 200 obtains tunable microwave signal.
Embodiment two
As shown in Figure 7 to 9, laser element is Agilent narrow line width regulatable laser 300, the light of its output is divided into two bundles by the first bonder 301 (95:5), wherein the light of 95% enters into erbium-doped fiber amplifier 302, as the pump light of Brillouin's annular cavity laser unit 303 after fiber amplifier 302 amplifies, after the second bonder 310 (50:50) couples, enter into balance photodetector 311 from the optical signal of Brillouin laser unit 303 output with local oscillator light, export microwave signal from balance photodetector 311.Brillouin's annular cavity laser unit 303 includes: circulator 304, Polarization Controller 309, the 3rd bonder 308 (80:20), isolator 307, general single mode fiber 305 and TEC temperature controller unit 306.TEC temperature controller unit 306 includes: aluminium sheet 313, digital temperature sensor 314, TEC temperature control chip 316 and temperature-control circuit 315.TEC temperature controller unit 306 adopts Xinhua's dragon C8051F023 single chip machine controlling circuit, by having I2The digital temperature sensor TMP112 of C interface realizes real time temperature control output pwm signal, and pwm signal amplifies through power amplification circuit, and output electric current drives TEC temperature controller unit 306 to work.Whole Circuits System all adopts ± and the power supply of 5V powers, and TEC temperature control chip 316 is high power semi-conductor cooling piece TEC1-12715, maximum current and voltage respectively 15A and 15.4V.Gain fibre is general single mode fiber 205, length is about 10m, the light exported by erbium-doped fiber amplifier 302, enter into the first port of circulator 304, enter into general single mode fiber unit 305 from the second port of circulator 304, general single mode fiber unit 305 is by the control of TEC temperature controller unit 306, incident illumination produces Brillouin scattering dorsad in general single mode fiber unit 305, by the 3rd port output of circulator 304, counterclockwise transmission in annular chamber, in order to control the quality of brillouin scattering signal, the transmission direction of brillouin scattering signal adds optoisolator 307, Brillouin laser signal is exported by a point of arm (20%) of the 3rd bonder 308.The local oscillator light of the Brillouin laser signal of output and the output of the first bonder 301 is in the upper coupling of bonder 310 (50:50), microwave signal output is converted to by balancing photodetector 311, output signal is analyzed through the measurement of Agilent spectrum analyzer, and the temperature of the wavelength and TEC temperature controller unit 306 that regulate Agilent narrow line width regulatable laser 300 obtains tunable microwave signal.By experiment, the microwave signal obtained and the relation of temperature are as shown in Figure 10, as can be seen from the figure, along with the frequency of the increase microwave signal of temperature is gradually increased, microwave signal frequency respectively 10.837GHz and the 10.894GHz obtained when temperature is-15 DEG C and 40 DEG C, frequency and temperature present linearly increasing relation, and slope is about 1.02MHz/ DEG C.The microwave signal frequency obtained and the relation of pump spectrum wavelength, as shown in figure 11, as can be seen from Figure 11, along with the frequency of the increase microwave signal of pump spectrum wavelength is gradually reduced, microwave signal frequency respectively 11.076GHz and the 10.863GHz obtained when pump spectrum wavelength is 1530nm and 1560nm, frequency and wavelength present the relation of linear reduction, and slope is about-7.1MHz/nm.
It should be appreciated that the above-mentioned detailed description of the invention of the present invention is used only for exemplary illustration or explains principles of the invention, and it is not construed as limiting the invention.Therefore, any amendment of making when without departing from the spirit and scope of the present invention, equivalent replacement, improvement etc., should be included within protection scope of the present invention.Additionally, claims of the present invention be intended to fall in the equivalents on scope and border or this scope and border whole change and modifications example.
Claims (6)
1. one kind based on the temperature controlled adjustable microwave signal generation device of TEC, it is characterised in that including: laser element, the first bonder, fiber amplifier, the second bonder, photodetector and Brillouin's annular cavity laser unit；
The laser that laser element produces is divided into two-way through the first bonder, wherein a road laser is as Brillouin's pump light, it is amplified into Brillouin's annular cavity laser unit through fiber amplifier, in Brillouin's annular cavity laser unit, described Brillouin's pump light enters the first port of circulator, gain fibre is entered into from the second port of circulator, and in gain fibre, produce back-scattering light, back-scattering light enters into Polarization Controller through the 3rd port of circulator, counterclockwise transmit in the annular chamber of Brillouin's annular cavity laser unit, and from the 3rd bonder of Brillouin's annular chamber laser cell, export Brillouin laser signal, described Brillouin laser signal couples in the second bonder with local oscillator optical signal light, and be converted to microwave signal output by photodetector；
Described Brillouin's annular cavity laser unit includes: circulator, gain fibre, TEC temperature controller unit, optoisolator, Polarization Controller and the 3rd bonder.
2. according to claim 1 based on the temperature controlled adjustable microwave signal generation device of TEC, it is characterised in that described TEC temperature controller unit includes: heat transfer plate, sensor, control circuit and TEC temperature control chip.
3. according to claim 1 based on the temperature controlled adjustable microwave signal generation device of TEC, it is characterised in that described Brillouin's annular cavity laser unit is single-frequency Brillouin laser;Described gain fibre is general single mode fiber；Described photodetector is balanced detector；Described microwave signal is adjustable microwave signal.
4. according to claim 3 based on the temperature controlled adjustable microwave signal generation device of TEC, it is characterized in that, described adjustable microwave signal obtains by regulating the pumping wavelength of laser element, or, the brillouin frequency in-migration changing gain fibre by regulating the temperature of TEC temperature controller unit obtains.
5. according to claim 2 based on the temperature controlled adjustable microwave signal generation device of TEC, it is characterised in that the heat transfer plate of described TEC temperature controller unit is copper coin or aluminium sheet；The sensor of described TEC temperature controller unit is critesistor or other temperature sensor；The control circuit of described TEC temperature controller unit is based on the IC circuit of amplifier, or based on single-chip microcomputer, the control circuit of ARM.
6. one kind based on the temperature controlled adjustable microwave signal generating method of TEC, it is characterised in that include step:
Step S1, is divided into two-way by laser through the first bonder；
Step S2, wherein a road light is as Brillouin's pump light, is amplified into Brillouin's annular cavity laser through fiber amplifier；
Step S3, in Brillouin's annular cavity laser, Brillouin's pump light enters the first port of circulator, gain fibre is entered into from the second port of circulator, and in gain fibre, produce back-scattering light, back-scattering light enters into Polarization Controller through the 3rd port of circulator, counterclockwise transmits in the annular chamber of Brillouin's annular cavity laser；Described Brillouin's annular cavity laser includes: circulator, brillouin gain fiber unit, TEC temperature controller unit, optoisolator, Polarization Controller and the 3rd bonder；Described TEC temperature controller unit includes: heat transfer plate, sensor, control circuit and TEC temperature control chip；
Step S4, exports Brillouin laser signal from the 3rd bonder of Brillouin's annular chamber laser；
Step S5, couples Brillouin laser signal with local oscillator optical signal light in the second bonder, and is converted to microwave signal output by photodetector；
Described Brillouin's annular cavity laser is single-frequency Brillouin laser;Described gain fibre is general single mode fiber；Described photodetector is balanced detector；Described microwave signal is adjustable microwave signal；
Described adjustable microwave signal obtains by regulating the pumping wavelength of laser element, or, by regulating TEC temperature
The temperature of controller unit changes the brillouin frequency in-migration of gain fibre and obtains.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410202094.0A CN103986056B (en) | 2014-05-13 | 2014-05-13 | A kind of based on the temperature controlled adjustable microwave signal generation device of TEC and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410202094.0A CN103986056B (en) | 2014-05-13 | 2014-05-13 | A kind of based on the temperature controlled adjustable microwave signal generation device of TEC and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103986056A CN103986056A (en) | 2014-08-13 |
| CN103986056B true CN103986056B (en) | 2016-06-29 |
Family
ID=51277929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410202094.0A Active CN103986056B (en) | 2014-05-13 | 2014-05-13 | A kind of based on the temperature controlled adjustable microwave signal generation device of TEC and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103986056B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105758433B (en) * | 2016-03-02 | 2018-04-03 | 南昌工程学院 | A kind of distribution type optical fiber sensing equipment based on Brillouin optical fiber laser |
| CN110112636B (en) * | 2018-02-01 | 2020-10-16 | 桂林电子科技大学 | Device for generating double Brillouin frequency microwave signals based on double-core optical fiber |
| CN114448509A (en) * | 2021-12-20 | 2022-05-06 | 军事科学院系统工程研究院网络信息研究所 | Communication network fixed machine physical interface implementation method based on photo-generated microwave chip |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5917179A (en) * | 1997-05-12 | 1999-06-29 | California Institute Of Technology | Brillouin opto-electronic oscillators |
| WO2012050418A1 (en) * | 2010-10-15 | 2012-04-19 | Telekom Malaysia Berhad | All-optical generation of 60 ghz millimeter wave using multiple wavelength brillouin-erbium fiber laser |
| CN102522678A (en) * | 2011-12-14 | 2012-06-27 | 上海交通大学 | Tunable precision frequency photoproduction microwave apparatus based on cascade Brillouin laser |
| CN202333431U (en) * | 2011-11-29 | 2012-07-11 | 中国计量学院 | 22GHz-gap multi-wavelength Brillouin circular cavity optical fiber laser |
| EP2515395A1 (en) * | 2011-04-19 | 2012-10-24 | Deutsche Telekom AG | Method and device for reducing the bandwidth of stimulated brillouin scattering |
| CN102832529A (en) * | 2012-08-29 | 2012-12-19 | 武汉光迅科技股份有限公司 | Dual-frequency-laser-based photoproduction tunable microwave source and frequency stabilization control method |
| CN102856778A (en) * | 2012-09-17 | 2013-01-02 | 盐城工学院 | Device and method capable of generating multi-bandwidth high-frequency tunable microwave signals |
-
2014
- 2014-05-13 CN CN201410202094.0A patent/CN103986056B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5917179A (en) * | 1997-05-12 | 1999-06-29 | California Institute Of Technology | Brillouin opto-electronic oscillators |
| WO2012050418A1 (en) * | 2010-10-15 | 2012-04-19 | Telekom Malaysia Berhad | All-optical generation of 60 ghz millimeter wave using multiple wavelength brillouin-erbium fiber laser |
| EP2515395A1 (en) * | 2011-04-19 | 2012-10-24 | Deutsche Telekom AG | Method and device for reducing the bandwidth of stimulated brillouin scattering |
| CN202333431U (en) * | 2011-11-29 | 2012-07-11 | 中国计量学院 | 22GHz-gap multi-wavelength Brillouin circular cavity optical fiber laser |
| CN102522678A (en) * | 2011-12-14 | 2012-06-27 | 上海交通大学 | Tunable precision frequency photoproduction microwave apparatus based on cascade Brillouin laser |
| CN102832529A (en) * | 2012-08-29 | 2012-12-19 | 武汉光迅科技股份有限公司 | Dual-frequency-laser-based photoproduction tunable microwave source and frequency stabilization control method |
| CN102856778A (en) * | 2012-09-17 | 2013-01-02 | 盐城工学院 | Device and method capable of generating multi-bandwidth high-frequency tunable microwave signals |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103986056A (en) | 2014-08-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102856778B (en) | Device and method capable of generating multi-bandwidth high-frequency tunable microwave signals | |
| Denoyer et al. | Hybrid silicon photonic circuits and transceiver for 56Gb/s NRZ 2.2 km transmission over single mode fiber | |
| CN103986056B (en) | A kind of based on the temperature controlled adjustable microwave signal generation device of TEC and method | |
| CN103840365B (en) | Based on the apparatus and method that the adjustable microwave signal of multi-wavelength Brillouin laser produces | |
| WO2012135483A2 (en) | Optical waveguide structure | |
| CN104133270B (en) | On piece tunable optical isolator based on active-passive optical microcavity coupling system | |
| CN105388638B (en) | A kind of hot light adjustment structure of silicon waveguide | |
| Okamoto et al. | A 25-Gb/s 5× 5 mm 2 chip-scale silicon-photonic receiver integrated with 28-nm CMOS transimpedance amplifier | |
| CN106443126B (en) | A kind of method and apparatus measuring electro-optic crystal half-wave voltage | |
| CN101807085A (en) | Device for controlling and driving biasing and method for controlling and driving light intensity modulator | |
| CN104503184A (en) | Micro-ring resonator-based novel four-line to two-line electro-optical priority encoder | |
| CN101957479B (en) | Method for realizing output of optical microcavity coupling system by temperature modulation and coupling structure thereof | |
| WO2014030122A1 (en) | Radiation scribed waveguide coupling for photonic circuits | |
| CN204885802U (en) | Double - circuit microwave frequency comb generator based on photoelectricity feedback VCSEL | |
| Liu et al. | Low error and broadband microwave frequency measurement using a silicon Mach–Zehnder interferometer coupled ring array | |
| Li et al. | 75 GHz germanium waveguide photodetector with 64 Gbps data rates utilizing an inductive-gain-peaking technique | |
| Rakowski et al. | Low-Power, 10-Gbps 1.5-Vpp differential CMOS driver for a silicon electro-optic ring modulator | |
| CN105890780B (en) | It is a kind of for locking the optical microwave frequency discriminator and method of laser difference frequency | |
| CN204464744U (en) | A kind of microwave signal generation device | |
| Wu et al. | Design of a broadband Ge 1− x Si x electro-absorption modulator based on the Franz-Keldysh effect with thermal tuning | |
| CN101482579B (en) | Electro-optical sampling method based on polarization rotation effect of semiconductor optical amplifier | |
| CN106981814A (en) | The production method of tunable ultra-wideband microwave frequency comb based on semiconductor laser | |
| CN104701723B (en) | The method and device that a kind of adjustable microwave signal based on Brillouin scattering optical-electronic oscillator produces | |
| CN112670806B (en) | Frequency shift system and frequency shift method of microcavity soliton optical frequency comb | |
| CN207638667U (en) | A kind of radio frequency time-delay mechanism |
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 | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191105 Address after: 224000 Dagang Town of Jiangsu province Yancheng City salt District Metallurgical Industrial Park Patentee after: Yancheng Xiongying Precision Machinery Co.,Ltd. Address before: 224051 Yancheng City hope road, Jiangsu, No. 1 Patentee before: Yangcheng Institute of Technology |