CN207853905U - A kind of six frequency-doubling millimeter wave generators based on series connection electro-optic intensity modulator - Google Patents
A kind of six frequency-doubling millimeter wave generators based on series connection electro-optic intensity modulator Download PDFInfo
- Publication number
- CN207853905U CN207853905U CN201820010506.4U CN201820010506U CN207853905U CN 207853905 U CN207853905 U CN 207853905U CN 201820010506 U CN201820010506 U CN 201820010506U CN 207853905 U CN207853905 U CN 207853905U
- Authority
- CN
- China
- Prior art keywords
- intensity modulator
- electro
- optic intensity
- modulator
- 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
Abstract
The utility model discloses a kind of six frequency-doubling millimeter wave generators based on series connection electro-optic intensity modulator, belong to field of communication technology, including light end equipment and electric end equipment, light end equipment include：Pass through optical fiber semiconductor laser in sequential series, Polarization Controller, mach zhender electro-optic intensity modulator, the first image intensifer, the first beam splitter, double parallel mach zhender electro-optic intensity modulator, the second beam splitter (11), the second image intensifer and the second photoelectric detector；Electric end equipment includes：Microwave signal source, RF Power Splitter, the first photoelectric detector, radio frequency amplifier；The utility model controls the working condition of series connection electro-optic intensity modulator by electric end equipment, reduces sensibility of the microwave photon frequency doubling system to radiofrequency signal phase, the phase without accurately controlling modulated signals can effectively generate six frequency doubling millimetre wave signals.
Description
Technical field
The utility model is related to a kind of six frequency-doubling millimeter wave generators based on series connection electro-optic intensity modulator, belong to communication
Technical field.
Background technology
In recent years, with the continuous expansion of communication network, light carries radio communication (RoF) and is mutually tied with microwave as a kind of optical fiber
The technology of conjunction, it is wireless to solve next generation ultra wide band because it is with good characteristics such as low-loss, ultra wide band and electromagnetism interferences
Access provides reliable solution, and it is to realize that light carries the key technology of radio communication that the millimeter-wave signal of high quality, which generates,
One of.Millimeter-wave signal is generated with photonic propulsion method, is on the one hand that can effectively reduce system cost, since RoF is related to
The process of frequency conversion and down coversion needs to be arranged Millimeter-Wave Source as CF signal in base station, is sent out relative to traditional millimeter-wave signal
Raw device, photoproduction millimeter wave method can effectively reduce system cost.On the other hand, millimeter-wave signal handles more difficult reality under electrical domain
It is existing, face the electronic bottleneck that can not be broken through, and with photoproduction millimeter wave method, not only have the advantages that phase noise is low, Er Qiexin
It number can transmit, be emitted by antenna convenient for being assigned to distal end at a distance.
Microwave photon method realizes that high-frequency microwave signal generation includes that optical injection-locked method, modulator frequency multiplication method and photoelectricity shake
The schemes such as device are swung, wherein the frequency multiplication scheme based on external modulator is the low technology of a kind of relative maturity, cost, but modulator times
Frequency technology is limited to the phase characteristic of radio-frequency signal source, and when the phase change of signal source, the SHG properties of system will change therewith
Become.In order to realize that the photoproduction millimeter-wave systems that phase sensitive degree is low, system stability is high need to propose new principle and method.
Utility model content
To solve the deficiencies in the prior art, the purpose of this utility model is to provide it is a kind of it is simple in structure, cost is relatively low, property
The phase without accurately controlling modulated signals that can stablize can effectively generate the device of six frequency doubling millimetre wave signals.
In order to realize above-mentioned target, the utility model adopts the following technical scheme：
A kind of six frequency-doubling millimeter wave generators based on series connection electro-optic intensity modulator, characterized in that including light end equipment
With electric end equipment, the smooth end equipment includes：Once by optical fiber semiconductor laser in sequential series, Polarization Controller, Mach-
Dare electro-optic intensity modulator, the first image intensifer, the first beam splitter, double parallel Mach-Zehnder electro-optic intensity modulator,
Second beam splitter, the second image intensifer and the second photoelectric detector；The double parallel Mach-Zehnder electro-optic intensity modulation
Device includes the first sub- modulator and the second sub- modulator；The first sub- modulator and the second sub- modulator are equipped with control source
End；The first sub- modulator and the second sub- modulator common optical fiber input terminal and fiber-optic output；It is described electricity end equipment include：
Microwave signal source, RF Power Splitter, the first photoelectric detector, radio frequency amplifier；The microwave signal source connects RF Power Splitter
Input terminal, the RF Power Splitter sets there are two output end, and an output end connects Mach-Zehnder electro-optic intensity modulator
Voltage input end, another output end connects the voltage input end of the second sub- modulator；One of first beam splitter is defeated
Outlet connects the voltage input end of the first sub- modulator by the first photoelectric detector and radio frequency amplifier.
Further, semiconductor laser above-mentioned is the semiconductor laser that wavelength is 1550.62nm.
Further, microwave signal source above-mentioned is the microwave signal source that frequency adjustable extent reaches 26GHz.
Further, Polarization Controller above-mentioned is the adjustable Polarization Controller of three shaft mechanicals.
Further, RF Power Splitter above-mentioned divide power ratio be 50:50.
Further, aforementioned Mach-Zehnder electro-optic intensity modulator is the Mach-Zehnder that bandwidth of operation is 40GHz
Electro-optic intensity modulator.
Further, aforementioned first image intensifer, the second image intensifer are wavelength 1550nm, Output optical power 10dBm with
On erbium-doped fiber amplifier.
Further, aforementioned first beam splitter, the second beam splitter are to use 50:The beam splitter of 50 splitting ratios.
Further, aforementioned first photoelectric detector, the first photoelectric detector are that photoelectricity of the bandwidth of operation more than 40GHz is examined
Survey device.
Further, aforementioned radio frequency amplifier is the power amplifier that peak power output is more than 1W, the double parallel horse
Conspicuous-Zeng Deer electro-optic intensity modulators are the double parallel Mach-Zehnder electro-optic intensity modulators that bandwidth of operation is 40GHz.
The advantageous effect that the utility model is reached：
The utility model passes through control series connection electro-optic intensity modulator (Mach-Zehnder electro-optic intensity modulator and double flat
Row Mach-Zehnder electro-optic intensity modulator) working condition, reduce microwave photon frequency doubling system to radiofrequency signal phase
Sensibility, the phase without accurately controlling modulated signals can effectively generate six frequency doubling millimetre wave signals.This method is using micro-
Wave photon technology breaks through the bandwidth limitation of conventional electronics scheme, and realization device is simple in structure, cost is relatively low, performance is stablized.
Description of the drawings
Fig. 1 is the principles of the present invention block diagram；
The meaning of reference numeral in figure：1- semiconductor lasers；2- microwave signal sources；3- Polarization Controllers；4- radio frequency work(
Divide device；5- Mach-Zehnder electro-optic intensity modulators；The first image intensifers of 6-；The first beam splitters of 7-；The first Photoelectric Detections of 8-
Device；9- radio frequency amplifiers；10- double parallel Mach-Zehnder electro-optic intensity modulators；The second beam splitters of 11-；The second light of 12-
Amplifier；The second photoelectric detectors of 13-；The first sub- modulators of 101-；The second sub- modulators of 102-.
Specific implementation mode
The utility model is further described below in conjunction with the accompanying drawings.Following embodiment is only used for clearly illustrating this
The technical solution of utility model, and the scope of protection of the utility model cannot be limited with this.
A kind of six frequency-doubling millimeter wave generators based on series connection electro-optic intensity modulator, including light end equipment and electric end are set
Standby, light end equipment includes：Semiconductor laser 1, Polarization Controller 3, Mach-Zehnder electro-optic intensity modulator 5, the first light are put
Big device 6, the first beam splitter 7, double parallel Mach-Zehnder electro-optic intensity modulator 10, the second beam splitter 11, the second light are put
Big device 12 and the second photoelectric detector 13.Double parallel Mach-Zehnder electro-optic intensity modulator 10 includes the first sub- modulator
101 and the second sub- modulator 102, two sub- modulators be equipped with respective voltage input end, two sub- modulator common optical fibers are defeated
Enter end and fiber-optic output.
Electric end equipment includes：Microwave signal source 2, RF Power Splitter 4, the first photoelectric detector 8, radio frequency amplifier 9.
The specific connection relation of light end equipment and electric end equipment is as follows：
In light end equipment, semiconductor laser 1, Polarization Controller 3, Mach-Zehnder electro-optic intensity modulator 5,
One image intensifer 6, the first beam splitter 7, double parallel Mach-Zehnder electro-optic intensity modulator 10, the second beam splitter 11,
Two image intensifers 12 are linked in sequence with the second photoelectric detector 13 by optical fiber successively；In electric end equipment, microwave signal source 2
Signal output end is connected with the input terminal of RF Power Splitter 4, an output end and the Mach-Zehnder electric light of RF Power Splitter 4
The voltage input end of intensity modulator 5 connects, another output end and the double parallel Mach-Zehnder electric light of RF Power Splitter 4
The power input of second sub- modulator 102 of intensity modulator 10 connects, on the other hand, the first beam splitter 7 it is another defeated
Outlet connects the first photoelectric detector 8, and the first photoelectric detector 8 connects double parallel Mach-Zehnder electricity by radio frequency amplifier 9
The power input of first sub- modulator 101 of light intensity modulator 10.
In order to preferably control the working condition of series connection electro-optic intensity modulator, microwave photon frequency doubling system is reduced to radio frequency
The sensibility of signal phase, the equipment of the preferably following parameter of each equipment of the present embodiment：
1 wavelength of semiconductor laser is 1550.62nm；
2 frequency adjustable extent of microwave signal source is up to 26GHz；
Polarization Controller 3 uses the adjustable Polarization Controller of three shaft mechanicals；
RF Power Splitter 4 divides power ratio to be 50:50；
The modulation bandwidth of Mach-Zehnder electro-optic intensity modulator 5 is 40GHz；
First image intensifer 6 and the second image intensifer 12 are that wavelength is 1550nm, and Output optical power is more than the er-doped of 10dBm
Fiber amplifier；
The splitting ratio of first beam splitter 7 and the second beam splitter 11 is 50:50；
The investigative range of first photoelectric detector 8 and the second photoelectric detector 13 is 0-40GHz；
The gain of radio frequency amplifier 9 is 17dB；
The modulation bandwidth of double parallel Mach-Zehnder electro-optic intensity modulator 10 is 40GHz.
The course of work of the present embodiment is as follows：
The signal that microwave signal source 2 is sent out passes through an output branch by RF Power Splitter 4 to Mach-Zehnder electricity
Light intensity modulator 5 (voltage input end) is modulated in area of light, the biased electrical of control Mach-Zehnder electro-optic intensity modulator 5
Pressure one, makes Mach-Zehnder electro-optic intensity modulator 5 be operated at minimum bias point, inhibits optical signal even-order sideband and light
The generation of carrier wave only retains odd-order sideband signals.Optical signal is divided into two-way using the first beam splitter 7, wherein signal all the way
Two stable frequency-doubled signals are obtained using the first photoelectric detector 8 and by radio frequency amplifier 9, which is injected into double
The voltage input end of first sub- modulator 101 of parallel Mach-Zehnder electro-optic intensity modulator 10 is adjusted for regulating and controlling the first son
The bias voltage four of device 101 processed makes the first sub- modulator 101 be operated at minimum bias point, can obtain ± 1 of amplitude unanimously
Rank and ± 3 rank sideband signals.Microwave signal source 2 is injected into double parallel Mach-Zehnder electro-optic intensity tune by RF Power Splitter 4
The power input of second sub- modulator 102 of device 10 processed controls the bias voltage two of the second sub- modulator, it is made to be operated in most
At big bias point, ± 1 larger rank of amplitude and smaller ± 3 rank sideband signals of amplitude can be obtained；Then double flat is individually controlled
The bias voltage three of the MAIN MUX of row Mach-Zehnder electro-optic intensity modulator 10 keeps double parallel Mach-Zehnder electric light strong
The MAIN MUX of degree modulator 10 is operated in minimum bias point, and upper and lower two sub- modulator (adjust by the first sub- modulator 101 and the second son
Device 102 processed) obtained optical signal is modulated there are 180 ° of phase difference, double parallel Mach-Zehnder electro-optic intensity modulator 10 is defeated
Outlet effectively inhibits ± 1 rank sideband signals, only retains ± 3 rank sideband signals, can be obtained by 13 beat frequency of the second photoelectric detector
Six frequency doubling millimetre wave signals arrived.
The utility model passes through control series connection electro-optic intensity modulator (Mach-Zehnder electro-optic intensity modulator 5 and double flat
Row Mach-Zehnder electro-optic intensity modulator 10) working condition, reduce microwave photon frequency doubling system to radiofrequency signal phase
Sensibility, the phase without accurately controlling modulated signals can effectively generate six frequency doubling millimetre wave signals.The utility model
Using microwave photon technology, the bandwidth limitation of conventional electronics scheme is broken through, realization device is simple in structure, cost is relatively low, performance
Stablize.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without deviating from the technical principle of the utility model, several improvement and deformations can also be made, these change
The scope of protection of the utility model is also should be regarded as into deformation.
Claims (10)
1. a kind of six frequency-doubling millimeter wave generators based on series connection electro-optic intensity modulator, characterized in that including light end equipment and
Electric end equipment, the smooth end equipment include：Pass through optical fiber semiconductor laser in sequential series (1), Polarization Controller (3), horse
Conspicuous-Zeng Deer electro-optic intensity modulators (5), the first image intensifer (6), the first beam splitter (7), double parallel Mach-Zehnder
Electro-optic intensity modulator (10), the second beam splitter (11), the second image intensifer (12) and the second photoelectric detector (13)；
The double parallel Mach-Zehnder electro-optic intensity modulator (10) includes that the first sub- modulator (101) is modulated with the second son
Device (102)；
The first sub- modulator (101) is equipped with voltage input end with the second sub- modulator (102)；
The first sub- modulator (101) and the second sub- modulator (102) common optical fiber input terminal and fiber-optic output；
It is described electricity end equipment include：Microwave signal source (2), RF Power Splitter (4), the first photoelectric detector (8), radio frequency amplifier
(9)；
The input terminal of the microwave signal source (2) connection RF Power Splitter (4), the RF Power Splitter (4) set that there are two outputs
End, the voltage input end of an output end connection Mach-Zehnder electro-optic intensity modulator (5), another output end connection second
The voltage input end of sub- modulator (102)；
One output end of first beam splitter 7 passes through the first photoelectric detector (8) and radio frequency amplifier (9) connection first
The voltage input end of sub- modulator (101).
2. the six frequency-doubling millimeter wave generators according to claim 1 based on series connection electro-optic intensity modulator, feature exist
In the semiconductor laser (1) is the semiconductor laser that wavelength is 1550.62nm.
3. the six frequency-doubling millimeter wave generators according to claim 1 based on series connection electro-optic intensity modulator, feature exist
In the microwave signal source (2) is the microwave signal source that frequency adjustable extent reaches 26GHz.
4. the six frequency-doubling millimeter wave generators according to claim 1 based on series connection electro-optic intensity modulator, feature exist
In the Polarization Controller (3) is the adjustable Polarization Controller of three shaft mechanicals.
5. the six frequency-doubling millimeter wave generators according to claim 1 based on series connection electro-optic intensity modulator, feature exist
In the RF Power Splitter (4) divides power ratio to be 50:50.
6. the six frequency-doubling millimeter wave generators according to claim 1 based on series connection electro-optic intensity modulator, characterized in that
The Mach-Zehnder electro-optic intensity modulator (5) is the Mach-Zehnder electro-optic intensity modulator that bandwidth of operation is 40GHz.
7. the six frequency-doubling millimeter wave generators according to claim 1 based on series connection electro-optic intensity modulator, characterized in that
First image intensifer (6), the second image intensifer (12) are wavelength 1550nm, the er-doped light of Output optical power 10dBm or more
Fiber amplifier.
8. the six frequency-doubling millimeter wave generators according to claim 1 based on series connection electro-optic intensity modulator, characterized in that
First beam splitter (7), the second beam splitter (11) are to use 50:The beam splitter of 50 splitting ratios.
9. the six frequency-doubling millimeter wave generators according to claim 1 based on series connection electro-optic intensity modulator, characterized in that
First photoelectric detector (8), the second photoelectric detector (13) are the photoelectric detectors that bandwidth of operation is more than 40GHz.
10. the six frequency-doubling millimeter wave generators according to claim 1 based on series connection electro-optic intensity modulator, feature
It is that the radio frequency amplifier (9) is the power amplifier that peak power output is more than 1W, the double parallel Mach-Zehnder electricity
Light intensity modulator (10) is the double parallel Mach-Zehnder electro-optic intensity modulator that bandwidth of operation is 40GHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820010506.4U CN207853905U (en) | 2018-01-04 | 2018-01-04 | A kind of six frequency-doubling millimeter wave generators based on series connection electro-optic intensity modulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820010506.4U CN207853905U (en) | 2018-01-04 | 2018-01-04 | A kind of six frequency-doubling millimeter wave generators based on series connection electro-optic intensity modulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207853905U true CN207853905U (en) | 2018-09-11 |
Family
ID=63417058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820010506.4U Expired - Fee Related CN207853905U (en) | 2018-01-04 | 2018-01-04 | A kind of six frequency-doubling millimeter wave generators based on series connection electro-optic intensity modulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207853905U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111447661A (en) * | 2020-01-21 | 2020-07-24 | 中国人民解放军陆军工程大学 | Optical terminal equipment and working method thereof |
| CN111835424A (en) * | 2020-06-27 | 2020-10-27 | 光创新电(苏州)信息科技有限公司 | Millimeter wave generating system for generating six-time frequency vector and using method thereof |
| CN113489551A (en) * | 2021-07-05 | 2021-10-08 | 吉林大学 | Centimeter wave/millimeter wave ultra-wideband signal generating device |
-
2018
- 2018-01-04 CN CN201820010506.4U patent/CN207853905U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111447661A (en) * | 2020-01-21 | 2020-07-24 | 中国人民解放军陆军工程大学 | Optical terminal equipment and working method thereof |
| CN111835424A (en) * | 2020-06-27 | 2020-10-27 | 光创新电(苏州)信息科技有限公司 | Millimeter wave generating system for generating six-time frequency vector and using method thereof |
| CN113489551A (en) * | 2021-07-05 | 2021-10-08 | 吉林大学 | Centimeter wave/millimeter wave ultra-wideband signal generating device |
| CN113489551B (en) * | 2021-07-05 | 2022-09-20 | 吉林大学 | Centimeter wave/millimeter wave ultra-wideband signal generating device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207851453U (en) | The generator of low phase noise quadruple signal is generated based on optoelectronic oscillation ring cavity | |
| CN104618022B (en) | Millimeter wave signal photonics generating method and millimeter wave signal photonics generating device | |
| CN108199776A (en) | A kind of microwave photon means of upconversion and method based on optical-electronic oscillator | |
| CN107065390B (en) | Microwave signal generating method and device based on stimulated Brillouin scattering effect and frequency comb | |
| CN207853905U (en) | A kind of six frequency-doubling millimeter wave generators based on series connection electro-optic intensity modulator | |
| CN104022830A (en) | Device and method for generating eight frequency multiplication millimeter waves by utilizing Mach-Zehnder modulator | |
| CN104993358A (en) | Single-sideband optical carrier microwave signal generating device based on stimulated Brillouin scattering | |
| CN103297145A (en) | Device for generating sixteen-frequency multiplication millimeter waves in full light | |
| CN108183751A (en) | Radio frequency self-interference based on photon predistortion offsets method | |
| CN109586798A (en) | A kind of photonics generation device of tunable multi output microwave signal | |
| CN107947867B (en) | Single-sideband spectrum generation device and method based on multi-frequency phase modulation | |
| CN106301576A (en) | A kind of multi-frequency multiple spot microwave optical fiber steady phase transmission method based on passive phase correction | |
| CN110098872A (en) | Device and method based on the analog optical link linear optimization that dual wavelength and phase-modulation are converted to intensity modulated | |
| CN110707510A (en) | Fourier domain mode-locked photoelectric oscillator based on stimulated Brillouin scattering | |
| Zhou et al. | A tunable multi-frequency optoelectronic oscillator based on stimulated Brillouin scattering | |
| Wang et al. | A New and Simple Frequency Quadrupling Millimeter-Wave Signal Generation Enabled by a Single Mach-Zehnder Modulator without Optical Filter | |
| CN210780814U (en) | Microwave signal frequency doubling device based on double parallel Mach-Zehnder modulator | |
| CN114583534A (en) | Full-waveband multi-dimension tunable all-fiber system microwave signal generation method | |
| Berceli | A new approach for optical millimeter wave generation utilizing locking techniques | |
| CN103855595A (en) | Tunable photoelectric oscillator | |
| Kurokawa et al. | Microwave receiving system for antenna measurement using optical devices up to 40 GHz | |
| CN107026382A (en) | A kind of optical-electronic oscillator | |
| CN105490135B (en) | A kind of millimeter-wave frequency generation device | |
| CN111224717B (en) | Microwave signal frequency doubling device and method | |
| CN212483833U (en) | Arbitrary polarization signal generating device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180911 Termination date: 20190104 |