CN103888192B - The photoelectricity generator of a kind of wavelength-division multiplex wideband correlation and method thereof - Google Patents

The photoelectricity generator of a kind of wavelength-division multiplex wideband correlation and method thereof Download PDF

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CN103888192B
CN103888192B CN201410111518.2A CN201410111518A CN103888192B CN 103888192 B CN103888192 B CN 103888192B CN 201410111518 A CN201410111518 A CN 201410111518A CN 103888192 B CN103888192 B CN 103888192B
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wavelength
signal
electrooptic modulator
frequency
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CN103888192A (en
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李曙光
薛峰
陈大吾
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Shanghai Aerospace Electronic Communication Equipment Research Institute
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Abstract

The invention discloses the photoelectricity generator of a kind of wavelength-division multiplex wideband correlation, including laser instrument, electrooptic modulator, some optical-electrical converters, light wavelength division multiplexing and broad band low frequency radio-frequency signal source；Wherein, described electrooptic modulator includes radiofrequency signal entrance, light entrance, light exit and working point control interface；Described broad band low frequency radio-frequency signal source, laser instrument and light wavelength division multiplexing are connected with described electrooptic modulator by described radiofrequency signal entrance, light entrance and light exit respectively, are connected by light wavelength division multiplexing between this electrooptic modulator and optical-electrical converter；Produce radiofrequency signal and light source by broad band low frequency radio-frequency signal source and laser instrument respectively, be modulated through this electrooptic modulator, and form the upper frequency signal of telecommunication respectively through this light wavelength division multiplexing and optical-electrical converter process and launched by aerial array.This apparatus structure is simple, and effectively reduces the body of system and improve the treatment effeciency of system.

Description

The photoelectricity generator of a kind of wavelength-division multiplex wideband correlation and method thereof
Technical field
The present invention relates to logical Optical Controlled Phased Array Antenna technical field, particularly relate to a kind of wavelength-division multiplex broadband line The photoelectricity generator of property FM signal and method thereof.
Background technology
In Optical Controlled Phased Array Antenna and microwave photon technology field, the research of current photoproduction microwave is mainly concentrated In following some: 1, use optical-electronic oscillator to produce Low phase noise, single-frequency point microwave signal (Wangzhe Li and Jianping Yao“A Wideband Frequency Tunable Optoelectronic Oscillator Incorporating a Tunable Microwave Photonic Filter Based on Phase-Modulation to Intensity-Modulation Conversion Using a Phase-Shifted Fiber Bragg Grating,”IEEE Trans.Microw.Theory Tech., Vol.60, no.6, June.2012, pp.1735 1742.), 2, employing optical carrier suppression and manipulator are inclined Put the modes such as operating point adjustment and realize inputting frequency multiplication (Q.Chang, the et.al, " A24-GHz of microwave signal ultra-wideband over fiber system using photonic generation and frequency up-conversion,”IEEE.Photon.Technol.Lett.,vol.20,no.19, Oct.2008, pp.1651-1653.), 3, utilize electric pulse external modulation electrooptic modulator produce ultra-wide take a message Number (J.Yao, F.Zeng, and Q.Wang, " Photonic generation of ultrawideband signals,”J.Lightwave Technol.vol.25,no.11,Nov.2007,pp. 3219-3235.), 4, two wavelength lasers are by light beat frequency and the microwave of Phase Lock Technique generation higher frequency The signal of telecommunication (Jhih-Min Wun, et.al, " Photonic chirped radio-frequency generator with ultra-fast sweeping rate and ultra-wide sweeping range”Optics Express,Vol.21,No.9,May,2013,pp.11475-11483.； Jhih-Min Wun,et.al,“Photonic chirped radio-frequency generator with ultra-fast sweeping rate and ultra-wide sweeping range”Optics Express, Vol.21, No.9, May, 2013, pp.11475-11483.).
But produce, except the linear frequency modulation signal of telecommunication for being applied to the linear FM signal light of detection radar External modulation mode, there is not yet people design, research.The researcher of Liang Suo university of Israel is at Optical Letters and Photonic Technology Letters(Ofir Klinger, et.al, " Long Microwave-Photonic Variable Delay of Linear Frequency Modulated Waveforms,”IEEE Photon.Technol.Lett.,vol.24,No.3,Feb1,2012,pp. 200–202；Lior Yaron,and Moshe Tur,“RF Nonlinearities in an Analog Optical Link and Their Effect on Radars Carrying Linear and Nonlinear Frequency Modulated Pulses,”J.Lightw.Technol.,vol.30,no.22,Nov 15,2012, pp.3475 3483.) etc. influential periodical reports for linear FM signal The research of transmission performance.But they use electrical domain linear FM signal external modulation to light carrier.As for Use external modulation method to realize the generation of wideband correlation, the most not yet see report.
In Optical Controlled Phased Array Antenna, outside certain bandwidth linear frequency modulation signal can be used to pass through external modulation Mode is loaded on light carrier realization transmission, feed.Although the method is simple, direct, but merely with Light carrier advantage in transmission broadband signal, the technology not making full use of the big bandwidth of light carrier is excellent Gesture.Further, the impact that electrical domain produces big bandwidth linear frequency modulation signal current collector part bandwidth is very big, is difficult to Realize such as X-band, the linear FM signal of 1-2GHz bandwidth.
Therefore, it is necessary to propose the photoelectricity production method of a kind of wavelength-division multiplex wideband correlation, from And the light realizing the linear FM signal in different multiplying and broadband produces and realizes wide-band microwave needed for radar Signal.
Summary of the invention
In order to overcome the defect of prior art, it is desirable to provide a kind of simple in construction, system effectiveness are high, And it is capable of photoelectricity generator and the production method thereof of wavelength-division multiplex wideband correlation.
To achieve these goals, the invention provides the light of a kind of wavelength-division multiplex wideband correlation Electricity generator, this device includes laser instrument, electrooptic modulator, some optical-electrical converters, light wavelength-division again With device and broad band low frequency radio-frequency signal source；Wherein, described electrooptic modulator includes radiofrequency signal entrance, light Entrance, light exit and working point control interface；Described broad band low frequency radio-frequency signal source is believed by described radio frequency Number entrance is connected with described electrooptic modulator, and described laser instrument is by described light entrance and described Electro-optical Modulation Device connects, and described light wavelength division multiplexing is connected with described electrooptic modulator by described light exit, and described Optical-electrical converter is connected with described light wavelength division multiplexing；Linearly adjusted by described broad band low frequency radio-frequency signal source The radiofrequency signal that frequency produces is entered described electrooptic modulator by described radiofrequency signal entrance, and described laser instrument produces Raw light source enters electrooptic modulator by described light entrance, is modulated by described electrooptic modulator Light source enters described wavelength division multiplexer by described light exit, the light after being processed by described wavelength division multiplexer Source is carried out changing and entering aerial array by described optical-electrical converter.
Put it is preferred that be provided with radio frequency between described broad band low frequency radio-frequency signal source and described electrooptic modulator Big device.
It is preferred that be provided with light amplification between described broad band low frequency radio-frequency signal source and described electrooptic modulator Device.
It is preferred that described optical-electrical converter and described broad band low frequency radio-frequency signal source, described laser instrument and institute State and connected by general single mode fiber respectively between wavelength division multiplexer.
It is preferred that described light wavelength division multiplexing is diaphragm type light wavelength division multiplexing or array waveguide grating formula ripple Division multiplexer.
It is preferred that described laser instrument is multiwavelength laser source, produce multiple by described multiwavelength laser source The light source of wavelength, and carry out rf modulations by described electrooptic modulator.
The present invention also proposes the photoelectricity production method of a kind of wavelength-division multiplex wide-band linearity modulated signal, passes through ripple The photoelectricity generator dividing Duplex-Wideband linearly modulated signal produces photosignal, comprises the steps:
Described broad band low frequency radio-frequency signal source produces linear FM signal by external electrical technology and passes through institute State radiofrequency signal entrance and enter described electrooptic modulator；
Described laser instrument produces multi wave length illuminating source and enters described electrooptic modulator by described light entrance；
Adjust the bias voltage of described electrooptic modulator and select the duty of described electrooptic modulator, And the area of light frequency spectrum that linear FM signal is modulated signal operates, and produce optical signal；
Described optical signal exports and enters a wavelength division multiplexed light time delay network by described light exit, it is achieved light The time delay of signal, and through the optical signal described light wavelength division multiplexing of entrance of time delay, then through described light Electric transducer, the radiofrequency signal that output center frequency and bandwidth double simultaneously, and enter aerial array.
It is preferred that described broad band low frequency radio-frequency signal source and described laser instrument respectively with described electrooptic modulator Between be provided with radio frequency amplifier and image intensifer, respectively by described radio frequency amplifier and described light amplification Device compensates radio frequency loss.
It is preferred that the light produced with described laser instrument by the wavelength of the optical signal of described light wavelength division multiplexing The wavelength one_to_one corresponding in source, wavelength number that the number of described optical-electrical converter and described laser instrument produce and The number of active lanes of described light wavelength division multiplexing is the most identical.
It is preferred that described electrooptic modulator is by selecting suitable bias voltage and described electrooptic modulator Duty, make described linear FM signal to be entered from the described optical-electrical converter signal of telecommunication that obtains of output Row frequency multiplication or carrier wave suppression operation；Further, described electric light is selected by described working point control Interface Controller The offset operation point of manipulator, makes the bandwidth exporting the signal of telecommunication obtained from described optical-electrical converter be less than The bandwidth of described light wavelength division multiplexing channel spacing.
Compared with prior art, beneficial effects of the present invention is as follows:
1, the photoelectricity generator of the wavelength-division multiplex wideband correlation of the present invention only by laser instrument, Electrooptic modulator, optical-electrical converter, light wavelength division multiplexing and broad band low frequency radio-frequency signal source composition, its knot Structure is simple, by utilizing the linear FM signal wide compared with low-frequency range, smaller strip to realize higher frequency band, higher The linear FM signal in broadband, it is not necessary to laser instrument is carried out internal modulation process, thus effectively reduce and be The volume of system, improves the efficiency of system.
2, the photoelectricity production method of the wavelength-division multiplex wideband correlation of present invention design, with existing skill The method utilizing two laser instrument to realize broadband frequency sweep radiofrequency signal in art is compared, this photoelectricity generator profit By electrooptic modulator operating point and input radio frequency signal amplitude, the operating characteristic of frequency spectrum is realized high-frequency electromagnetic The generation of ripple, and without two laser instrument carry out PGC demodulation process, has more preferable practicality and more High frequency stability.
3, the photoelectricity generator of the wavelength-division multiplex wideband correlation of the present invention has well extension Property, series connection can be implemented according to actual needs such that it is able to meet higher frequency section, bigger wide-band linearity is adjusted Frequently the needs that signal photoelectricity produces.
4, the photoelectricity generator of the wavelength-division multiplex wideband correlation of the present invention can also be by utilizing Optical-electronic oscillator structure realizes the linear frequency modulation wideband-radar signal optical-electronic oscillator output of wavelength-division multiplex.
Accompanying drawing explanation
Fig. 1 is the structural representation of the photoelectricity generator of wavelength-division multiplex wideband correlation of the present invention；
Fig. 2 is that the photoelectricity generator of the wavelength-division multiplex wideband correlation that the present invention implements is light-operated The structural representation of application in phased array radar system.
Symbol list:
1-broad band low frequency radio-frequency signal source, 2-multiwavelength laser source, 3-image intensifer, 4-electrooptic modulator, 5-light wavelength division multiplexing, 6-optical-electrical converter.
Detailed description of the invention:
See the accompanying drawing illustrating the embodiment of the present invention, the present invention hereafter be will be described in greater detail.But, this Invention can in different forms, specification etc. realizes, and should not be construed as the embodiment that herein proposed Limit.On the contrary, proposing these embodiments is to reach fully and complete disclosure, and makes more to have Close those skilled in the art and understand the scope of the present invention completely.In these accompanying drawings, for clearly visible, can Relative size can have been zoomed in or out.
The light of the wavelength-division multiplex wideband correlation implemented according to the present invention is described in detail referring now to Fig. 1 Electricity generator, as it is shown in figure 1, this device includes laser instrument, electrooptic modulator 4, some opto-electronic conversion Device 6, light wavelength division multiplexing 5 and broad band low frequency radio-frequency signal source 1；Wherein, this electrooptic modulator 4 includes Radiofrequency signal entrance, light entrance, light exit and working point control interface；This broad band low frequency radio-frequency signal source 1 Being connected with this electrooptic modulator 4 by radiofrequency signal entrance, this laser instrument is adjusted with this electric light by light entrance Device processed connects, and this light wavelength division multiplexing 5 is connected with this electrooptic modulator 4 by light exit, and this photoelectricity Transducer 6 is connected with light wavelength division multiplexing 5；Produced by this broad band low frequency radio-frequency signal source 1 linear frequency modulation Raw radiofrequency signal is entered this electrooptic modulator 4 by radiofrequency signal entrance, and the light source that this laser instrument produces passes through Light entrance enters electrooptic modulator 4, and the light source being modulated by this electrooptic modulator 4 is entered by light exit Enter light wavelength division multiplexing 5, process the light source after this by light wavelength division multiplexing 5 and carried out by optical-electrical converter 6 Change and enter aerial array, aerial array the radiofrequency signal all increased through frequency and bandwidth occurs.
Wherein, between this broad band low frequency radio-frequency signal source 1 and electrooptic modulator 4, it is provided with radio frequency amplifier, For compensating radio frequency loss on electricity link；This broad band low frequency radio-frequency signal source 1 and electrooptic modulator 4 it Between be provided with image intensifer 3(or for microwave amplifier), compensated on optical link by this image intensifer 3 Radio frequency loss；This optical-electrical converter 6 and broad band low frequency radio-frequency signal source 1, laser instrument and OWDM All connected by general single mode fiber between device 5.
And, this light wavelength division multiplexing 5 be diaphragm type light wavelength division multiplexing or array waveguide grating (AWG: Array Waveguide Grating) formula wavelength division multiplexer, and this light wavelength division multiplexing 5 and Electro-optical Modulation Connected by optical fiber between device；This laser instrument is multiwavelength laser source 2, is produced by this multiwavelength laser source 2 The light source of raw multiple wavelength, and carry out rf modulations, and this multiwavelength laser by this electrooptic modulator 4 The wavelength of multiple signals that source 2 produces and the wavelength one of the multi-wavelength signals after light wavelength division multiplexing 5 One is corresponding, and the number of this optical-electrical converter 6 is identical with light wavelength division multiplexing 5 number of active lanes, thus protects Card can the corresponding optical-electrical converter 6 of each signal when carrying out opto-electronic conversion.
In specific implementation process, produce dress by the photoelectricity of above-mentioned wavelength-division multiplex wide-band linearity modulated signal The connection put, it is achieved the photoelectricity of wavelength-division multiplex wide-band linearity modulated signal produces, its concrete steps produced For:
This broad band low frequency radio-frequency signal source 1 produces linear FM signal and by being somebody's turn to do by external electrical technology Radiofrequency signal entrance enters this electrooptic modulator 4；
This laser instrument produces multi wave length illuminating source and enters this electrooptic modulator 4 by this light entrance；
Adjust the bias voltage of electrooptic modulator 4 and select the duty of electrooptic modulator 4, and right Linear FM signal is modulated the area of light frequency spectrum operation of signal, produces optical signal；
Optical signal exports and enters a wavelength division multiplexed light time delay network by light exit, it is achieved prolonging of optical signal Time, and enter this light wavelength division multiplexing 5 through the optical signal of time delay, then through this optical-electrical converter 6, The radiofrequency signal that output center frequency and bandwidth double simultaneously, and enter aerial array, will by aerial array Upper frequency and the emission of radio frequency signals of large bandwidth after multiplication are gone out.
Wherein, in specific implementation process, this broad band low frequency radio-frequency signal source 1 and multiwavelength laser source 2 And form electricity link and optical link, and this electricity link and optical train between electrooptic modulator 4 respectively Lu Shangjun can be respectively provided with radio frequency amplifier and image intensifer such that it is able to by this radio frequency amplifier and light Amplifier 3 compensates radio frequency loss；The wavelength of the optical signal of this light wavelength division multiplexing 5 produces with laser instrument The wavelength one_to_one corresponding of light source, the wavelength number that the number of this optical-electrical converter 6 and laser instrument produce with And the number of active lanes of light wavelength division multiplexing 5 is the most identical；And, this electrooptic modulator 4 can be by selecting Suitably bias voltage and the duty of electrooptic modulator 4, make to export from this optical-electrical converter 6 To the signal of telecommunication linear FM signal carried out frequency multiplication or carrier wave suppression operation, meanwhile, it is capable to by selecting This suitable offset operation point of electrooptic modulator 4, makes to export, from this optical-electrical converter 6, the signal of telecommunication obtained Bandwidth less than the bandwidth of this light wavelength division multiplexing 5 channel spacing.
Practical example
In specific implementation process, as in figure 2 it is shown, the photoelectricity of this wavelength-division multiplex wideband correlation Generator is applied in Optical Controlled Phased Array Antenna system, and its concrete operation principle is as follows:
In specific implementation process, this optical carrier is expressed as:
E(t)=Eocos[ωot+φo(t)],
Wherein, this ωo、φoIt is respectively frequency and the phase place of optical carrier.
This optical carrier is modulated obtaining through electrooptic modulator intensity:
E I ( t ) = E o cos [ ω o t + φ o ( t ) ] · cos { φ DC 2 + π 2 · V e V π · cos [ ω e t + π B T t 2 + φ e ( t ) ] } ,
Wherein, this φDC、VπIt is respectively DC offset voltage and the alternate current operation point voltage of electrooptic modulator, It is labeled asObtain after then spreading out:
E I ( t ) = E o cos ( φ DC 2 ) · J 0 ( β i ) cos ( ω o t ) + E o cos ( φ DC 2 ) · Σ n = 1 ∞ J 2 n ( β i ) · cos { ω o t ± 2 n · [ ω e t + π B T t 2 ] } ] + E o sin ( φ DC 2 ) · Σ n = 1 ∞ J 2 n - 1 ( β i ) · sin { ω o t ± ( 2 n - 1 ) · [ ω e t + π B T t 2 ] }
Wherein, by regulating this driving voltage φDCWith signal amplitude Ve, it is achieved to output signal frequency and shape The selection of formula.If as a example by 4 frequencys multiplication, select φDCPoint modulation, and filter light carrier, then through light electrical resistivity survey Obtain after surveying device detection:
E I ( t ) = cos ( 4 ω e t + π 4 B T t 2 ) ,
I.e. after beat frequency, mid frequency and bandwidth all can become 4 times of original linear FM signal.Micro- In ripple Photonics Technology, it is also possible to by utilizing frequency spectrum operating technology, it is achieved mid frequency and bandwidth other The increase of multiple, does not repeat at this.
Utilization is achieved relatively by the photoelectricity generator of the waveform Duplex-Wideband linear FM signal of the present invention Low frequency and the wide linear FM signal of smaller strip realize the linear frequency modulation letter of higher frequency band and higher bandwidth Number, without laser instrument being carried out internal modulation process, thus effectively reduce the volume of system, and carry The high treatment effeciency of system.
The photoelectricity generator of the wavelength-division multiplex wideband correlation that the present invention provides, can be by many This device individual implements series connection such that it is able to meet higher frequency section, bigger bandwidth linear frequency modulation signal photoelectricity produces Raw demand, and optical-electronic oscillator structure can be utilized to achieve the linear frequency modulation broadband of wavelength-division multiplex Radar signal optical-electronic oscillator exports, and therefore, the present invention is not limited to the relevant apparatus that the present embodiment proposes It is limited, it is also possible to linearly adjust by arranging other devices raising photoelectricity generation efficiency and high band, high bandwidth Frequently signal photoelectricity produces.
Obviously, those skilled in the art can carry out various change and deformation without deviating from this to the present invention The spirit and scope of invention.So, if these amendments of the present invention and deformation belong to right of the present invention and want Ask and in the range of equivalent technologies, then the present invention is also intended to comprise these changes.

Claims (9)

1. the photoelectricity generator of a wavelength-division multiplex wideband correlation, it is characterised in that include swashing Light device, electrooptic modulator, some optical-electrical converters, light wavelength division multiplexing and broad band low frequency radio-frequency signal source；
Wherein, described electrooptic modulator includes radiofrequency signal entrance, light entrance, light exit and working point control Interface；
Described broad band low frequency radio-frequency signal source is connected with described electrooptic modulator by described radiofrequency signal entrance, Described laser instrument is connected with described electrooptic modulator by described light entrance, and described light wavelength division multiplexing passes through institute State light exit to be connected with described electrooptic modulator, and described optical-electrical converter is connected with described light wavelength division multiplexing；
The radiofrequency signal produced by described broad band low frequency radio-frequency signal source linear frequency modulation is entered by described radiofrequency signal Mouth enters described electrooptic modulator, and the light source that described laser instrument produces enters Electro-optical Modulation by described light entrance Device, the light source being modulated by described electrooptic modulator enters described wavelength division multiplexer by described light exit, Light source after being processed by described wavelength division multiplexer is changed by described optical-electrical converter, output center frequency The radiofrequency signal simultaneously doubled with bandwidth, and enter aerial array.
The photoelectricity generator of wavelength-division multiplex wideband correlation the most according to claim 1, its It is characterised by, between described broad band low frequency radio-frequency signal source and described electrooptic modulator, is provided with radio frequency amplifier.
The photoelectricity generator of wavelength-division multiplex wideband correlation the most according to claim 1, its It is characterised by, between described broad band low frequency radio-frequency signal source and described electrooptic modulator, is provided with radio frequency amplifier.
The photoelectricity generator of wavelength-division multiplex wideband correlation the most according to claim 1, its Being characterised by, described light wavelength division multiplexing is that diaphragm type light wavelength division multiplexing or array waveguide grating formula wavelength-division are multiple Use device.
The photoelectricity generator of wavelength-division multiplex wideband correlation the most according to claim 1, its Being characterised by, described laser instrument is multiwavelength laser source, produces multiple wavelength by described multiwavelength laser source Light source, and carry out rf modulations by described electrooptic modulator.
6. a photoelectricity production method for wavelength-division multiplex wide-band linearity modulated signal, utilizes such as claim 1 institute The photoelectricity generator of the wavelength-division multiplex wideband correlation stated produces photosignal, it is characterised in that Comprise the steps:
Described broad band low frequency radio-frequency signal source produces linear FM signal and by described by external electrical technology Radiofrequency signal entrance enters described electrooptic modulator；
Described laser instrument produces multi wave length illuminating source and enters described electrooptic modulator by described light entrance；
Adjust the bias voltage of described electrooptic modulator and select the duty of described electrooptic modulator, and Linear FM signal is modulated the area of light frequency spectrum operation of signal, and produces optical signal；
Described optical signal exports and enters a wavelength division multiplexed light time delay network by described light exit, it is achieved light is believed Number time delay, and, the optical signal through time delay enters described light wavelength division multiplexing, then through described photoelectricity Transducer, the radiofrequency signal that output center frequency and bandwidth double simultaneously, and enter aerial array.
The photoelectricity production method of wavelength-division multiplex wide-band linearity modulated signal the most according to claim 6, its Being characterised by, described broad band low frequency radio-frequency signal source and described laser instrument are respectively and between described electrooptic modulator It is provided with radio frequency amplifier and image intensifer, is compensated by described radio frequency amplifier and described image intensifer respectively Radio frequency loss.
The photoelectricity production method of wavelength-division multiplex wide-band linearity modulated signal the most according to claim 6, its It is characterised by, by the light source of the wavelength of the optical signal of described light wavelength division multiplexing and the generation of described laser instrument Wavelength one_to_one corresponding, the number of described optical-electrical converter and the wavelength number of described laser instrument generation and described light The number of active lanes of wavelength division multiplexer is the most identical.
The photoelectricity production method of wavelength-division multiplex wide-band linearity modulated signal the most according to claim 7, its Being characterised by, described electrooptic modulator is by selecting suitable bias voltage and the work of described electrooptic modulator Make state, make the signal of telecommunication obtained from the output of described optical-electrical converter that described linear FM signal is carried out frequency multiplication Or carrier wave suppression operation；Further, described electrooptic modulator is selected by described working point control Interface Controller Offset operation point, makes to export the bandwidth of the signal of telecommunication obtained less than described smooth wavelength-division from described optical-electrical converter The bandwidth of multiplexer channel spacing.
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Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104316908A (en) * 2014-10-08 2015-01-28 上海航天电子通讯设备研究所 Optically controlled phased array radar front end transmitting and receiving method and device
CN107431552B (en) * 2015-04-15 2019-02-26 华为技术有限公司 Optical module and the network equipment
CN106501792A (en) * 2016-10-08 2017-03-15 浙江大学 A kind of reconstruct Optical Controlled Phased Array Antenna emitter exchanged based on light
CN106788764B (en) * 2017-02-21 2019-01-25 电子科技大学 A kind of self feed back signal modulating method towards 5G-RoF
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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101021666A (en) * 2007-03-02 2007-08-22 清华大学 Optical A/D converter based on asymmetric Mach-Zehnder modulator
CN102624460A (en) * 2012-01-16 2012-08-01 北京大学 Modulator for optical fibre linear transmission and third-order intermodulation suppression method for modulator
WO2013000511A1 (en) * 2011-06-29 2013-01-03 Telefonaktiebolaget L M Ericsson (Publ) Individual information in lower and upper optical sidebands
CN103095378A (en) * 2013-01-25 2013-05-08 中国人民解放军空军工程大学 DE-MZM automatic bias control device based on proportion integration differentiation (PID) and control method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101021666A (en) * 2007-03-02 2007-08-22 清华大学 Optical A/D converter based on asymmetric Mach-Zehnder modulator
WO2013000511A1 (en) * 2011-06-29 2013-01-03 Telefonaktiebolaget L M Ericsson (Publ) Individual information in lower and upper optical sidebands
CN102624460A (en) * 2012-01-16 2012-08-01 北京大学 Modulator for optical fibre linear transmission and third-order intermodulation suppression method for modulator
CN103095378A (en) * 2013-01-25 2013-05-08 中国人民解放军空军工程大学 DE-MZM automatic bias control device based on proportion integration differentiation (PID) and control method thereof

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
A 24-GHz Ultra-Wideband Over Fiber System Using Photonic Generation and Frequency Up-Conversion;Qingjiang Chang et.al;《IEEE PHOTONICS TECHNOLOGY LETTERS》;20081001;第20卷(第19期);1651-1653 *
光控相控阵雷达光延时技术研究;李曙光 等;《航天电子对抗》;20140228;第30卷(第1期);29-31,46 *

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