CN107797359A - Ultra wide band, spectrum are spaced adjustable near-infrared comb spectrum generator - Google Patents
Ultra wide band, spectrum are spaced adjustable near-infrared comb spectrum generator Download PDFInfo
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- CN107797359A CN107797359A CN201711018680.XA CN201711018680A CN107797359A CN 107797359 A CN107797359 A CN 107797359A CN 201711018680 A CN201711018680 A CN 201711018680A CN 107797359 A CN107797359 A CN 107797359A
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/35—Non-linear optics
- G02F1/365—Non-linear optics in an optical waveguide structure
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/35—Non-linear optics
- G02F1/3501—Constructional details or arrangements of non-linear optical devices, e.g. shape of non-linear crystals
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- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
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Abstract
A kind of ultra wide band, spectrum are spaced adjustable near-infrared comb spectrum generator, suitable for laser technology, superhigh precision detection field.The near-infrared comb spectrum generator includes, frequency stabilized carbon dioxide laser（1）, light intensity modulator（2）, optical phase modulator（3）, radio-frequency oscillator（4）, frequency multiplier（5）, erbium-doped fiber amplifier（6）, optical circulator（7）, optical band pass filter（8）, photoswitch（9）, highly nonlinear optical fiber（10）, spectroanalysis instrument（11）, Multi Channel Controller（12）, array waveguide grating（13）, first to the adjustable reflective optical systems of N（21）、（22）、……、（2N）.Described array waveguide grating（13）Branch port number be greater than equal to Multi Channel Controller（12）Output port number.
Description
Technical field
The invention belongs to information photoelectron technology, suitable for laser technology, optical communication field, more particularly to a kind of ultra-wide
Band, spectrum are spaced adjustable near-infrared comb spectrum generator.
Background technology
Near infrared spectrum be between visible ray and in it is infrared between electromagnetic radiation as waves, association is detected according to U.S. material
Definition, the wave-length coverage of near infrared spectrum is 780-2526nm.In recent years, as Fibre Optical Communication Technology is infrared using 1550nm
Wave band is transmitted, and near infrared spectrum is got the attention as a kind of unique information.
Near-infrared comb spectrum generator generally includes the part structures such as optical generator, amplifier, nonlinear optical fiber, circuit locking
Into, be it is a kind of efficiently, the stabilized light source of high quality, the discrete spectral line that its spectrum is spacedly distributed by frequency forms.At present super
High precision test, chemical composition analysis, ultrafast efficient optic communication etc. propose higher to near-infrared comb spectrum generation technology
Requirement, how to realize small volume, low in energy consumption, frequency coverage is big, frequency stabilization, spectrum are spaced adjustable near-infrared comb spectrum
As it is in the urgent need to address the problem of.
It is contemplated that design realizes that a kind of ultra wide band, spectrum are spaced adjustable near-infrared comb spectrum generator, it is more to meet
The growth requirement in the fields such as kind high precision test, ultra high efficiency optic communication.
The content of the invention
The technical problems to be solved by the invention are to overcome current near-infrared comb spectrum generator in volume, power consumption, complexity
The deficiency of degree etc., proposes that a kind of frequency coverage is big, and frequency stabilization, spectrum are spaced adjustable near-infrared comb spectrum and occurred
Device.
Technical scheme：
A kind of ultra wide band, spectrum are spaced adjustable near-infrared comb spectrum generator, including, frequency stabilized carbon dioxide laser 1, light intensity modulator 2,
Optical phase modulator 3, radio-frequency oscillator 4, frequency multiplier 5, erbium-doped fiber amplifier 6, optical circulator 7, optical band pass filter 8, light
Switch 9, highly nonlinear optical fiber 10, spectroanalysis instrument 11, Multi Channel Controller 12, array waveguide grating 13, first is adjustable to N
Reflective optical system 21,22 ..., 2N.
The connection of each device is as follows：
The light input end mouth of the output port connection light intensity modulator 2 of described frequency stabilized carbon dioxide laser 1, light intensity modulator 2
Optical output port connects the light input end mouth of optical phase modulator 3, the electrical input mouth connection strength of light intensity modulator 2
First output port of device 4, the second output port of radio-frequency oscillator 4 connect the electricity input of optical phase modulator 3 through frequency multiplier 5
Port, the input port of the optical output port connection erbium-doped fiber amplifier 6 of optical phase modulator 3, erbium-doped fiber amplifier 6
Output port connects the first port of optical circulator 7, the input of the 3rd port connection optical band pass filter 8 of optical circulator 7
Mouthful, the input port of the output port connection photoswitch 9 of optical band pass filter 8, the first output port connection spectrum of photoswitch 9
The input port of analyzer 11, the input port of the output port connecting multi-channel controller 12 of spectroanalysis instrument 11, multichannel
The first of controller 12 to N output ports respectively with the first to N adjustable reflective optical system 21,22 ..., 2N input port
Be connected, the first to N adjustable reflective optical system 21,22 ..., 2N output port respectively with the first of array waveguide grating 13 to
N branch ports are connected, the second port of the word port connection optical circulator 7 of array waveguide grating 13, and the second of photoswitch 9
Output port connects one end of highly nonlinear optical fiber 10, and the other end of highly nonlinear optical fiber 10 occurs as the ultra-wide near-infrared spectra
The overall output port of device.
Brief description of the drawings
Fig. 1 ultra wide bands, spectrum are spaced the structure chart of adjustable near-infrared comb spectrum generator.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings.
A kind of ultra wide band, the adjustable near-infrared comb spectrum generator in spectrum interval, such as Fig. 1, including, frequency stabilized carbon dioxide laser 1, light intensity
Modulator 2 is spent, optical phase modulator 3, radio-frequency oscillator 4, frequency multiplier 5, erbium-doped fiber amplifier 6, optical circulator 7, light belt leads to
Wave filter 8, photoswitch 9, highly nonlinear optical fiber 10, spectroanalysis instrument 11, Multi Channel Controller 12, array waveguide grating 13, the
One to N adjustable reflective optical system 21,22 ..., 2N.
The connection of each device is as follows：
The light input end mouth of the output port connection light intensity modulator 2 of described frequency stabilized carbon dioxide laser 1, light intensity modulator 2
Optical output port connects the light input end mouth of optical phase modulator 3, the electrical input mouth connection strength of light intensity modulator 2
First output port of device 4, the second output port of radio-frequency oscillator 4 connect the electricity input of optical phase modulator 3 through frequency multiplier 5
Port, the input port of the optical output port connection erbium-doped fiber amplifier 6 of optical phase modulator 3, erbium-doped fiber amplifier 6
Output port connects the first port of optical circulator 7, the input of the 3rd port connection optical band pass filter 8 of optical circulator 7
Mouthful, the input port of the output port connection photoswitch 9 of optical band pass filter 8, the first output port connection spectrum of photoswitch 9
The input port of analyzer 11, the input port of the output port connecting multi-channel controller 12 of spectroanalysis instrument 11, multichannel
The first of controller 12 to N output ports respectively with the first to N adjustable reflective optical system 21,22 ..., 2N input port
Be connected, the first to N adjustable reflective optical system 21,22 ..., 2N output port respectively with the first of array waveguide grating 13 to
N branch ports are connected, the second port of the word port connection optical circulator 7 of array waveguide grating 13, and the second of photoswitch 9
Output port connects one end of highly nonlinear optical fiber 10, and the other end of highly nonlinear optical fiber 10 occurs as the ultra-wide near-infrared spectra
The overall output port of device.
The branch port number of described array waveguide grating 13 is greater than the output port number equal to Multi Channel Controller 12.
Claims (2)
1. ultra wide band, spectrum are spaced adjustable near-infrared comb spectrum generator, it is characterised in that：The near-infrared comb spectrum generator bag
Include, frequency stabilized carbon dioxide laser（1）, light intensity modulator（2）, optical phase modulator（3）, radio-frequency oscillator（4）, frequency multiplier（5）, er-doped
Fiber amplifier（6）, optical circulator（7）, optical band pass filter（8）, photoswitch（9）, highly nonlinear optical fiber（10）, spectrum analysis
Instrument（11）, Multi Channel Controller（12）, array waveguide grating（13）, first to the adjustable reflective optical systems of N（21）、（22）、……、
（2N）.
The connection of each device is as follows：
Described frequency stabilized carbon dioxide laser（1）Output port connection light intensity modulator（2）Light input end mouth, light intensity modulator
（2）Optical output port connection optical phase modulator（3）Light input end mouth, light intensity modulator（2）Electrical input mouth connect
Connect radio-frequency oscillator（4）The first output port, radio-frequency oscillator（4）The second output port through frequency multiplier（5）Connect light phase
Position modulator（3）Electrical input mouth, optical phase modulator（3）Optical output port connection erbium-doped fiber amplifier（6）It is defeated
Inbound port, erbium-doped fiber amplifier（6）Output port connection optical circulator（7）First port, optical circulator（7）The 3rd
Port connects optical band pass filter（8）Input port, optical band pass filter（8）Output port connection photoswitch（9）It is defeated
Inbound port, photoswitch（9）The first output port connection spectroanalysis instrument（11）Input port, spectroanalysis instrument（11）It is defeated
Exit port connecting multi-channel controller（12）Input port, Multi Channel Controller（12）First to N output ports distinguish
With first to the adjustable reflective optical systems of N（21）、（22）、……、（2N）Input port be connected, first to N tunable opticals reflect
Device（21）、（22）、……、（2N）Output port respectively with array waveguide grating（13）First be connected to N branch ports,
Array waveguide grating（13）A word port connection optical circulator（7）Second port, photoswitch（9）The second output port connect
Connect highly nonlinear optical fiber（10）One end, highly nonlinear optical fiber（10）The other end as the total of the ultra-wide near-infrared spectra generator
Body output port.
2. ultra wide band according to claim 1, spectrum are spaced adjustable near-infrared comb spectrum generator, it is characterised in that institute
The array waveguide grating stated（13）Branch port number be greater than equal to Multi Channel Controller（12）Output port number.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711018680.XA CN107797359A (en) | 2017-10-27 | 2017-10-27 | Ultra wide band, spectrum are spaced adjustable near-infrared comb spectrum generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711018680.XA CN107797359A (en) | 2017-10-27 | 2017-10-27 | Ultra wide band, spectrum are spaced adjustable near-infrared comb spectrum generator |
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| Publication Number | Publication Date |
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| CN107797359A true CN107797359A (en) | 2018-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711018680.XA Pending CN107797359A (en) | 2017-10-27 | 2017-10-27 | Ultra wide band, spectrum are spaced adjustable near-infrared comb spectrum generator |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8451528B1 (en) * | 2012-09-13 | 2013-05-28 | Ram Photonics, LLC | Method and apparatus for generation of coherent frequency combs |
| CN103149772A (en) * | 2013-03-22 | 2013-06-12 | 北京航空航天大学 | Optical frequency comb generator based on time-frequency mapping |
| CN106848825A (en) * | 2017-04-12 | 2017-06-13 | 上海交通大学 | By cascading the method that optical modulator produces super flat frequency comb |
-
2017
- 2017-10-27 CN CN201711018680.XA patent/CN107797359A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8451528B1 (en) * | 2012-09-13 | 2013-05-28 | Ram Photonics, LLC | Method and apparatus for generation of coherent frequency combs |
| CN103149772A (en) * | 2013-03-22 | 2013-06-12 | 北京航空航天大学 | Optical frequency comb generator based on time-frequency mapping |
| CN106848825A (en) * | 2017-04-12 | 2017-06-13 | 上海交通大学 | By cascading the method that optical modulator produces super flat frequency comb |
Non-Patent Citations (2)
| Title |
|---|
| D. MIYAMOTO ET AL: "Waveform-Controllable Optical Pulse Generation Using an Optical Pulse Synthesizer", 《IEEE PHOTONICS TECHNOLOGY LETTERS》 * |
| HIROYUKI TSUDA ET AL: "Analog and Digital Optical Pulse Synthesizers Using Arrayed-Waveguide Gratings for High-Speed Optical Signal Processing", 《JOURNAL OF LIGHTWAVE TECHNOLOGY》 * |
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Application publication date: 20180313 |