CN209046006U - A kind of certainty soliton frequency comb generation system based on microcavity - Google Patents
A kind of certainty soliton frequency comb generation system based on microcavity Download PDFInfo
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Abstract
The utility model relates to a kind of optical frequency com, be specifically related to a kind of certainty soliton frequency comb generation system based on microcavity, including pumped laser system, Aided Laser System, encapsulation micro-ring resonant cavity and temperature controller；Wherein pumped laser system and Aided Laser System are made of narrow linewidth laser, image intensifer, Polarization Controller and the optical circulators of a fixed wave length or wavelengthtunable.Temperature control system is made of semiconductor cooler and its controller, or the metal wire and current control system that are integrated by piece are constituted.The utility model uses the scheme of thermal tuning micro-ring resonant cavity resonance peak position, realizes that the certainty of microcavity soliton frequency comb generates.The advantage that scheme provided by the utility model has structure simple, at low cost and strong controllability solves the Dependence Problem during microcavity frequency comb generates to high-frequency element, has important practical value in the following microcavity frequency comb application field.
Description
Technical field
The utility model relates to a kind of optical frequency coms, and in particular to a kind of Ke Er optical frequency based on micro-ring resonant cavity
Comb, more particularly relates to a kind of soliton state optical frequency com generation system based on micro-ring resonant cavity.
Background technique
Optical frequency com by it is a series of at equal intervals and the comb δ function formula that forms of the optical frequency of PGC demodulation.Optical frequency
Comb is like the ruler or timer for possessing accurate scale, and nanometer is accurately surpassed on measurement of length, is then surpassed on the time
Femtosecond, even up to Ah Miao.Therefore optical frequency com in optics atomic clock, chemical probe, long distance communication, laser radar and surpasses
The fields such as grade laser have important application value.There are mainly three types of types for optical frequency com, are respectively based on mode-locked laser
The optical frequency com of device, the optical frequency com based on electro-optical modulation technology and microcavity Ke Er optical frequency com.Wherein microcavity Ke Er
Optical frequency com has biggish frequency interval, therefore has uniqueness in fields such as multi wave length illuminating source, fiber optic communication, astronomical surveings
Advantage, while microcavity Ke Er optical frequency com have minimum volume and power consumption, therefore from its appearance just show it is huge
Application value.
Microcavity Ke Er optical frequency com is generated by the Kerr nonlinearity effect in optics micro-ring resonant cavity, is needed continuous pump
Pu optical coupling is into micro-ring resonant cavity.To generate orphan's frequency comb, it is desirable that pump light stablizes the red mistake in micro-ring resonant cavity resonance peak
Humorous place, and pump light is in hot unstable state at this time, while micro-ring resonant cavity resonance frequency is fluctuated with intracavity power, it is therefore desirable to
Special experimental technique is to generate orphan's frequency comb.At present frequently with experimental technique mainly by rapid frequency-sweeping method, algorithm for power modulation
Method and fast temperature tuning method, these three methods are extremely stringent to the timing requirements of experiment, need to be adjusted according to ambient conditions
Section, and the orphan's frequency comb state generated has randomness, is not suitable for engineer application.These three microcavitys orphan's optical frequency com
In generation technology, rapid frequency-sweeping method requires to use quick swept light source, such light source volume is larger and price is very high, does not utilize
Technical scale application；Algorithm for power modulation method needs to increase in systems the algorithm for power modulation device of high speed, such as acousto-optic modulator or photoelectricity
Modulator needs high-speed control signal, controls complex；The low-noise current that fast temperature tuning method needs quickly to tune
Source, and control system is complicated.
The state of microcavity orphan's optical frequency com is particularly important for application, wherein single orphan's optical frequency com is considered as
A kind of mostly important state.And frequency pectination state caused by three kinds of technical solutions being mentioned above occurs at random, and
And be difficult to adjust, it is unfavorable for the control of microcavity orphan's optical frequency com.
For the generation for realizing deterministic microcavity orphan optical frequency com, related technical personnel develop after to frequency sweep skill
Art realizes the generation of deterministic microcavity orphan optical frequency com based on this, establishes for the application of microcavity orphan optical frequency com
Basis is determined.However the technology is stronger to the dependence of swept light source performance, needs complicated control system, cost is high；Together
When swept light source noise usually with higher and poor frequency stability, therefore the optical frequency com performance generated is pumped
The limitation in Pu source.
In short, just causing numerous scientific research personnel and engineering technology people from microcavity orphan optical frequency com generates certainly
The great interest of member, has been achieved for biggish progress, and be applied to vast capacity in its mechanism of production and experimental study
The technical fields such as optical communication system, the ranging of orphan's frequency comb, microwave signal generation, double light comb frequency spectrographs, show great application
Prospect.Therefore it is badly in need of developing a kind of inexpensive, high-performance and the microcavity orphan's optical frequency com generation technology being easily manipulated, and
It is required that the technology property of can determine generate single orphan's optical frequency com.
Utility model content
In order to reduce the generation cost of certainty orphan's optical frequency com, simplify the generation of certainty orphan optical frequency com
Process, improves the stability of orphan's optical frequency com, and the utility model provides a kind of simple and easy certainty based on microcavity
Soliton optical frequency com generation system.
The technical solution of the utility model is to provide a kind of certainty soliton frequency comb generation system based on microcavity,
It is characterized in that including after pumped laser system, Aided Laser System, encapsulation micro-ring resonant cavity and temperature control
Device；
Micro-ring resonant cavity after above-mentioned encapsulation includes encapsulating housing and micro-ring resonant cavity and temperature inside encapsulating housing
Control device；
Above-mentioned encapsulating housing is equipped with input port and straight-through port；
The input port of micro-ring resonant cavity after the output termination encapsulation of above-mentioned pumped laser system；
The straight-through port of micro-ring resonant cavity after the output termination encapsulation of above-mentioned Aided Laser System；
Above-mentioned temperature controller is connect with temperature control device.
Further, above-mentioned pumped laser system includes the pump laser set gradually along optical path by optical fiber, first
Polarization Controller, the reversed interceptor of the first light, the above-mentioned reversed interceptor of first light make pump light unidirectionally enter micro-ring resonant cavity；And
It prevents pump light and the energy of reflected light from entering and is redirected back into the reversed interceptor of the first light；
Above-mentioned Aided Laser System includes the laser-assisted set gradually along optical path by optical fiber, the second Polarization Control
Device, the reversed interceptor of the second light；The above-mentioned reversed interceptor of second light makes fill-in light unidirectionally enter micro-ring resonant cavity；And it prevents to assist
Light and the energy of reflected light, which enter, is redirected back into the reversed interceptor of the second light；
Above-mentioned pump laser or laser-assisted wavelength can tune.
Pumping laser is coupled into micro-ring resonant cavity from the input port of micro-ring resonant cavity, and auxiliary laser is from micro-ring resonant cavity
Straight-through port is coupled into micro-ring resonant cavity.
Further, above-mentioned temperature control device includes semiconductor cooler and temperature sensor, temperature sensor, semiconductor system
Cooler, temperature controller form pid loop, and semiconductor cooler partly leads refrigerator for commercial, and above-mentioned temperature sensor is negative
The thermistor of temperature coefficient or chip-shaped temperature sensor or other types of temperature sensor.Used temperature at this time
Controller is a high-precision TEC controller, and temperature can be configured by manual or program.
Further, above-mentioned temperature control device can also be the metal wire heater for being plated in micro-ring resonant cavity surface, corresponding
Above-mentioned temperature controller be the constant current source with top adjustment precision.
Further, above-mentioned micro-ring resonant cavity is Add/drop Voice Channel type micro-ring resonant cavity；It is additionally provided on above-mentioned encapsulating housing
Load port and download port；The reversed interceptor of above-mentioned first light and the reversed interceptor of the second light are optical circulator or optoisolator；
When the reversed interceptor of the first light and the reversed interceptor of the second light are optical circulator, above-mentioned download port or ring of light shape
The third port of device is soliton frequency comb output port；
When the reversed interceptor of the first light and the reversed interceptor of the second light are optoisolator, the download port is soliton
Frequency comb output port, connects output optical fibre.
Further, above-mentioned micro-ring resonant cavity be can also be with wildcard-filter style micro-ring resonant cavity, the above-mentioned reversed interceptor of first light
It is optical circulator with the reversed interceptor of the second light, the third port of above-mentioned optical circulator is soliton frequency comb output port, is connect defeated
Optical fiber out.
Further, above-mentioned optical circulator is optical-fiber type optical circulator, to prevent the reverse transfer of laser, lifting system
Stability.
Further, when the transmission power of pumping laser and auxiliary laser is not enough to motivate light orphan in micro-ring resonant cavity
When sub- frequency is combed, above-mentioned pumped laser system further includes that the first light being set between pump laser and the first Polarization Controller is put
Big device；Above-mentioned Aided Laser System further includes the second light amplification being set between laser-assisted and the second Polarization Controller
Device.
Further, the first above-mentioned image intensifer and the second image intensifer are for optical amplifier fiber or semiconductor
Image intensifer, the first image intensifer and the second image intensifer service band cover the hair of the pump laser and laser-assisted
Ejected wave is long, and the first image intensifer and the second image intensifer have the amplification energy that soliton frequency comb is inspired in micro-ring resonant cavity
Power.
Further, above-mentioned pump laser and laser-assisted are all stable narrow linewidth laser, in type
Either semiconductor laser is also possible to optical fiber laser or other types of laser.
Further, above-mentioned encapsulating housing is a good metal shell of thermal conductivity, to will be in orphan's frequency comb
The excess energy formed during generating is scattered to other than shell；Above-mentioned encapsulating housing is 14 commercial pin butterfly encapsulating shells
Body, or other shells of (non-) standard；
Further, the first above-mentioned Polarization Controller and the second Polarization Controller are optical-fiber type Polarization Controller or space
Slide type Polarization Controller；To adjust the polarization state of pumping laser and auxiliary laser, it is allowed to and corresponding micro-ring resonant cavity
The polarization state of mode of resonance is consistent, to promote the coupling efficiency with micro-ring resonant cavity.
The quality factor of above-mentioned micro-ring resonant cavity is greater than 105, constitute micro-ring resonant cavity waveguide material have three ranks it is non-thread
Property coefficient, and the waveguide of micro-ring resonant cavity has negative dispersion coefficient in pumping laser wave band.
The beneficial effects of the utility model are:
1, towards fields such as vast capacity optical communication system, the ranging of orphan's frequency comb, microwave signal generation, double light comb frequency spectrographs
To the application demand of Gao Zhongying microcavity orphan's optical frequency com, for deterministically generation certainty microcavity orphan's optical frequency com
Technical problem, the utility model provides a kind of simple and easy certainty orphan's microcavity orphan's optical frequency com and generates system
System, the system is simple, reliable and stable, low in cost with structure and manipulates simple.
2, the utility model carries out intracavitary thermal compensation using fill-in light, in microcavity orphan's frequency comb generation process and tuning speed
Unrelated, control process is greatly simplified.
3, the utility model realizes the integrated package of micro-ring resonant cavity, is conducive to the engineer application of device.
4, the certainty that the utility model realizes micro-loop orphan's optical frequency com generates, therefore the utility model is to orphan
The application study of optical frequency com has great importance.
5, the utility model uses the technical solution of thermal tuning, and sufficient practical proof has been obtained in temperature control,
With extreme high reliability, be conducive to the XPRS project application of microcavity orphan's optical frequency com.
6, micro-ring resonant cavity used by the utility model is made by CMOS compatible technology, is conducive to mass production.
7, the used device of the utility model has all been commercialized, and quick popularize for being conducive to the utility model system is answered
With.
Detailed description of the invention
Fig. 1 is the structural representation that a kind of certainty soliton frequency based on microcavity that embodiment one provides combs generation system
Figure, wherein micro-ring resonant cavity is Add/drop Voice Channel type；
Fig. 2 is the structure that a kind of soliton frequency based on micro-ring resonant cavity that embodiment two provides combs certainty generation system
Schematic diagram, wherein micro-ring resonant cavity is wildcard-filter style；
Fig. 3 is micro-ring resonant during a kind of certainty soliton frequency comb based on microcavity provided by the utility model generates
The change curve of intracavity pump optical power and auxiliary optical power；
Fig. 4 a is the main comb spectrogram that pump light motivates；
Fig. 4 b is the main comb spectrogram that pump light motivates；
Fig. 5 a is the spectrogram for the modulational instability frequency comb that pump light motivates；
Fig. 5 b is the spectrogram for the modulational instability frequency comb that pump light motivates；
Fig. 6 a is the spectrogram for more orphans frequency comb that pump light motivates；
Fig. 6 b is the spectrogram for more orphans frequency comb that pump light motivates；
Fig. 7 a is the spectrogram for single orphan that microcavity certainty soliton frequency comb generation process generates；
Fig. 7 b is the spectrogram for double orphans that microcavity certainty soliton frequency comb generation process generates；
Fig. 7 c is the spectrogram for three orphans that microcavity certainty soliton frequency comb generation process generates；
Fig. 7 d is the spectrogram for four orphans that microcavity certainty soliton frequency comb generation process generates；
Appended drawing reference is as follows:
1- pumped laser system；11- pump laser；The first image intensifer of 12-；The first Polarization Controller of 13-；14-
The reversed interceptor of one light；2- Aided Laser System；21- laser-assisted；The second image intensifer of 22-；The second Polarization Control of 23-
Device；The reversed interceptor of the second light of 24-；Micro-ring resonant cavity after 3- encapsulation；31- encapsulating housing；32- semiconductor cooler；33- temperature
Spend sensor；34- micro-ring resonant cavity；35- input port；36- straight-through port；The upper load port of 37-；38- download port；39- gold
Belong to line heater；4- temperature controller；5- output optical fibre.
Specific embodiment
It elaborates in the following with reference to the drawings and specific embodiments to the utility model.
Embodiment one
Fig. 1 is the principle schematic diagram of the present embodiment one, as shown, the present embodiment is a kind of based on micro-ring resonant cavity
Certainty soliton frequency comb generation system is by the micro-ring resonant cavity 3 after pumped laser system 1, Aided Laser System 2, encapsulation, temperature
Degree controller 4 and output optical fibre port 5 are constituted.Wherein pumped laser system 1 includes that optical fiber connection is passed sequentially through along optical path
Pump laser 11, the first image intensifer 12, the first Polarization Controller 13 and the reversed interceptor 14 of the first light；Auxiliary laser system
System 2 includes laser-assisted 21, the second image intensifer 22, the second Polarization Controller 23 and the reversed interceptor 24 of the second light；Encapsulation
Micro-ring resonant cavity 3 afterwards includes encapsulating housing 31 and semiconductor cooler 32, temperature sensor inside encapsulating housing 31
33 with micro-ring resonant cavity 34；Micro-ring resonant cavity 34 is Add/drop Voice Channel type, including input port 35, straight-through port in the present embodiment
36, upper load port 37 and download port 38；The port of above-mentioned micro-ring resonant cavity is of coupled connections with optical fiber or fiber array；This
When, the reversed interceptor 14 of the first light and the reversed interceptor 24 of the second light can be optical circulator or optoisolator.
The effect of above-mentioned each optical module in the present embodiment is:
Pumped laser system 1 provides pumping source for microcavity orphan's frequency comb, and wherein pump laser 11 is seed source, is subsequent
The first image intensifer 12 provide seed light, the laser be narrow linewidth semiconductor laser or optical fiber laser；First light
Amplifier 12 is that high-power optical amplifier generates in microcavity for amplifying pumping laser with enough energy
Frequency comb；First Polarization Control 13 is the Polarization Controller of optical-fiber type or spatial mode, and to control, to be incident on micro-ring resonant intracavitary
The polarization state of pump light makes pump light efficiently be coupled into a mode of micro-ring resonant cavity；Optical circulator is optical fiber type ring
Shape device makes pump light unidirectionally enter micro-ring resonant cavity, and fill-in light and the energy of reflected light is prevented to enter the first image intensifer 12.
Aided Laser System 2 provides auxiliary for the generation of microcavity orphan's frequency comb, to balance the heat in microcavity, with stabilization
Ground generates microcavity orphan frequency and combs.Wherein laser-assisted 21 is seed source, provides seed light for subsequent second image intensifer 22,
The laser is the semiconductor laser or optical fiber laser of narrow linewidth, and its wavelength can tune；Second image intensifer 22 is
High-power optical amplifier is drawn for amplifying auxiliary laser with enough energy with balancing pumping optical power fluctuation
The microcavity temperature change risen；Second Polarization Control 23 is the Polarization Controller of optical-fiber type or spatial mode, to control be incident on it is micro-
The polarization state of fill-in light in annular resonant cavity makes fill-in light efficiently be coupled into one of micro-ring resonant cavity (with pumping laser mould
Formula) orthogonal mode；The reversed interceptor 24 of second light is optical fiber type ring device, and fill-in light is made unidirectionally to enter micro-ring resonant cavity, and
Pump light and the energy of reflected light is prevented to enter image intensifer 22, and the third port of optical circulator is to as microcavity orphan
The output of sub- frequency comb.
Micro-ring resonant cavity 3 after encapsulation is the core devices of the utility model, and wherein micro-ring resonant cavity 34 is a Gao Pin
The micro-ring resonant cavity of prime factor generates microcavity orphan frequency by the intracavitary nonlinear effect of micro-ring resonant and combs；Encapsulating housing 31 is
The carrier of micro-ring resonant cavity 34, for the influence of external environment is isolated, and the energy generated to shell in-body devices exports shell；Half
Operating temperature of the conductor refrigerator 32 to control micro-ring resonant cavity 34；Temperature sensor 33 is to detect temperature to form PID
Circuit；Input port 35 is the entry port of pumping laser 1；Straight-through port 36 is the entry port and micro-loop of auxiliary laser 2
The output port of frequency comb is generated in resonant cavity 34；When optical circulator is replaced with optoisolator, generated in micro-ring resonant cavity 34
The output port of frequency comb is download port 38.Temperature controller 4 is used to set and control the operating temperature of micro-ring resonant cavity 34.
Embodiment two
The embodiment from micro-ring resonant cavity 34 is wildcard-filter style, micro-loop after encapsulation in the present embodiment unlike embodiment one
Resonant cavity 3 only has 36 two ports of input port 35 and straight-through port.Therefore, in the embodiment optical circulator third port
To the output as microcavity orphan's frequency comb.And the present embodiment is by the semiconductor cooler 32 and temperature sensor in embodiment one
The 33 metal wire heater 39 by being plated in 34 surface of micro-ring resonant cavity substitutes, and temperature controller 4, which is one, at this time has top adjustment
The constant current source of precision.
Certainty microcavity soliton frequency is generated by the following method using the system in above-described embodiment to comb:
1, the operation wavelength of laser-assisted 21 is set, pumping laser and auxiliary laser is allow to be coupled into micro-loop simultaneously
In a pair of orthogonal mode of resonance of resonant cavity 34, and when pumping laser and auxiliary laser detuning all in indigo plant, auxiliary laser
With biggish blue mismatching angle；
2, the output power of the first image intensifer 12 and the second image intensifer 22 is set, makes pump light that there is enough energy
Go out soliton frequency in 34 underexcitation of micro-ring resonant cavity to comb；Adjust the shape of the first Polarization Controller 13 and the second Polarization Controller 23
State is efficiently coupled into pumping laser 1 and auxiliary laser 2 into micro-ring resonant cavity 34；
3, adjusting temperature controller 4 gradually reduces the operating temperature of micro-ring resonant cavity 34, the resonance of micro-ring resonant cavity 34
Peak drifts about to shortwave length direction, and pumping laser and auxiliary laser successively enter the corresponding mode of resonance of micro-ring resonant cavity；
4, pumping laser takes the lead in the threshold value for reaching optical parametric oscillation, and pumping laser successively goes out in 34 underexcitation of micro-ring resonant cavity
Main comb, modulational instability comb；
5, continue reduce micro-ring resonant cavity 34 operating temperature, pumping laser cross first resonance peak enter it is red detuning, this
When micro-ring resonant cavity 34 in pump laser power reduce, microcavity temperature decline, resonance to shortwave length direction accelerate drift about；At this time
Auxiliary laser is in blue detuning place, therefore the auxiliary laser power in micro-ring resonant cavity 34 increases, and makes the chamber of micro-ring resonant cavity 34
Interior temperature is promoted, so that 34 resonance peak of micro-ring resonant cavity is prevented further to drift about to shortwave length direction, the work of micro-ring resonant cavity 34
Reach a stable state as state.At this point, pumping laser is in red detuning place, orphan's frequency is inspired in micro-ring resonant cavity 34 and is combed.
6, orphan's frequency comb that step 5 generates is generally in more soliton states, i.e., exists simultaneously multiple orphans in micro-ring resonant cavity 34
Son.The operating temperature that temperature controller 4 promotes micro-ring resonant cavity 34 is adjusted at this time, and the orphan in micro-ring resonant cavity 34 will gradually disappear
It loses, until single orphan's frequency comb generates.
The realization process of single orphan's frequency comb is introduced below with reference to a specific example, micro-ring resonant cavity used in experiment is adopted
It is made of high index-contrast integreted phontonics platform, Free Spectral Range 49GHz, quality factor is 1.69 × 106, waveguide with
The coupling loss of optical fiber is about 3dB.
1), the output wavelength of pumping laser is 1561.792nm, and the wavelength that auxiliary laser is arranged is 1558.26nm；
2) output power that the first image intensifer 12 and the second image intensifer 22, is arranged is 35dBm, and adjusts the first polarization
Controller 13 and the suitable state of the second Polarization Controller 23 to one；
3) operating temperature of micro-ring resonant cavity 34, is gradually reduced by temperature controller 4, pumping laser and auxiliary laser are all
It is coupled into the corresponding mode of resonance of micro-ring resonant cavity 34, and pumping laser takes the lead in the threshold value for reaching optical parametric oscillation, is formed
Main comb, the spectrum and spectrogram exported at this time is as shown in Fig. 4 a and Fig. 4 b.Due to being divided into more times of micro-ring resonant cavities 34 between main comb
Free Spectral Range, considerably beyond the bandwidth of operation of photodetector and frequency spectrograph, therefore the frequency can not be on frequency spectrograph
Face is shown.
4) operating temperature of micro-ring resonant cavity 34, is further decreased, pumping laser is further towards resonance peak, intracavitary pump
Pu optical power increases, and produces modulational instability frequency and combs, spectrogram and spectrogram are as shown in Fig. 5 a and Fig. 5 b.Frequency at this time
Comb is made an uproar state in height.
5) operating temperature for, further decreasing micro-ring resonant cavity 34 is crossed corresponding resonance peak until pumping laser and is reached
Red detuning place generates more orphan's frequencies and combs；Spectrum and spectrogram at this time is as shown in Fig. 6 a and Fig. 6 b.
6), the operating temperature of micro-ring resonant cavity 34 is set by temperature controller 4, be allowed to slowly increase, micro-loop is humorous at this time
Orphan's number in vibration chamber 34 gradually decreases, until single orphan's frequency comb generates, so that the certainty for realizing single orphan's frequency comb generates.
Fig. 7 a, Fig. 7 b, Fig. 7 c and Fig. 7 d list the spectrogram of a variety of orphans frequency comb of this process generation, Fig. 7 a to Fig. 7 d spectrogram pair
The orphan's number answered is respectively 1,2,3 and 4.
During single orphan's frequency comb generates, the changed power of pumping laser and auxiliary laser in micro-ring resonant cavity 34 is bent
Line is as shown in Figure 3.The curve shows step jump, shows that orphan's number is gradually decreasing in micro-ring resonant cavity 34.
Particular embodiments described above has carried out into one the purpose of this utility model, technical scheme and beneficial effects
Step is described in detail, it should be understood that being not limited to this foregoing is merely specific embodiment of the utility model
Utility model, within the spirit and principle of the utility model, any modification, equivalent substitution, improvement and etc. done should all wrap
Containing being within the protection scope of the utility model.
In conclusion the utility model provides a kind of microcavity soliton frequency comb certainty generation system and method, this is
System uses simple temperature regulation mechanism, solves the previous certainty orphan frequency comb that generates to quick tuning laser device or high-speed light
The dependence of electrical part, the utility model has many advantages, such as that structure is simple, controllability is strong, reliable and stable, in future microwave photon
Multiple technical fields such as, spectral measurement methods, high-precision quick distance measurement, ultra high-speed optical communication system and multi wave length illuminating source have
Important application prospect.
Claims (12)
1. a kind of certainty soliton frequency comb generation system based on microcavity, it is characterised in that: including pumped laser system (1),
Micro-ring resonant cavity (3) and temperature controller (4) after Aided Laser System (2), encapsulation；
Micro-ring resonant cavity (3) after the encapsulation includes encapsulating housing (31) and the micro-ring resonant cavity inside encapsulating housing
(34) and temperature control device；
The encapsulating housing (31) is equipped with input port (35) and straight-through port (36)；
The input port (35) of micro-ring resonant cavity (3) after the output termination encapsulation of the pumped laser system (1)；
The straight-through port (36) of micro-ring resonant cavity (3) after the output termination encapsulation of the Aided Laser System (2)；
The temperature controller (4) connect with temperature control device.
2. the certainty soliton frequency comb generation system according to claim 1 based on microcavity, it is characterised in that:
The pumped laser system (1) includes the pump laser (11) set gradually along optical path by optical fiber, the first polarization control
Device (13) processed, the reversed interceptor of the first light (14), it is humorous that the reversed interceptor of the first light (14) makes pump light unidirectionally enter micro-loop
Shake chamber；
The Aided Laser System (2) includes the laser-assisted (21) set gradually along optical path by optical fiber, the second polarization control
Device (23) processed, the reversed interceptor of the second light (24)；It is humorous that the reversed interceptor of second light (24) makes fill-in light unidirectionally enter micro-loop
Shake chamber；
The pump laser (11) or laser-assisted (21) wavelength can tune.
3. the certainty soliton frequency comb generation system according to claim 1 based on microcavity, it is characterised in that: the temperature
Control device includes semiconductor cooler (32) and temperature sensor (33), temperature sensor (33), semiconductor cooler (32) and
Temperature controller (4) forms pid loop.
4. the certainty soliton frequency comb generation system according to claim 3 based on microcavity, it is characterised in that: the temperature
Spending controller (4) is TEC controller, and the temperature sensor (33) is that the thermistor of negative temperature coefficient or chip-shaped temperature pass
Sensor.
5. the certainty soliton frequency comb generation system according to claim 1 based on microcavity, it is characterised in that: the temperature
Control device is the metal wire heater (39) for being plated in micro-ring resonant cavity (34) surface, and the temperature controller (4) is stabling current
Source.
6. the certainty soliton frequency comb generation system according to claim 2 based on microcavity, it is characterised in that: described micro-
Annular resonant cavity (34) is Add/drop Voice Channel type micro-ring resonant cavity；Load port (37) and downloading are additionally provided on the encapsulating housing (31)
Port (38)；The reversed interceptor of first light (14) and the reversed interceptor of the second light (24) are optical circulator or optoisolator；
When the reversed interceptor of the first light (14) and the reversed interceptor of the second light (24) are optical circulator,
The third port of the download port (38) or optical circulator is soliton frequency comb output port；
When the reversed interceptor of the first light (14) and the reversed interceptor of the second light (24) they are optoisolator, the download port (38)
For soliton frequency comb output port.
7. the certainty soliton frequency comb generation system according to claim 2 based on microcavity, it is characterised in that: described micro-
Annular resonant cavity (34) is wildcard-filter style micro-ring resonant cavity, the reversed interceptor of the first light (14) and the reversed interceptor of the second light (24)
For optical circulator, the third port of the optical circulator is soliton frequency comb output port.
8. the certainty soliton frequency comb generation system according to claim 6 or 7 based on microcavity, it is characterised in that: institute
Stating optical circulator is optical-fiber type optical circulator.
9. the certainty soliton frequency comb generation system according to claim 2 based on microcavity, it is characterised in that: the pump
Pu laser system (1) further includes the first image intensifer being set between pump laser (11) and the first Polarization Controller (13)
(12)；
The Aided Laser System (2) further includes be set between laser-assisted (21) and the second Polarization Controller (23)
Two image intensifers (22).
10. the certainty soliton frequency comb generation system according to claim 8 based on microcavity, it is characterised in that: described
The first image intensifer (12) and the second image intensifer (22) be optical amplifier fiber or semiconductor optical amplifier, the first light
Amplifier (12) and the second image intensifer (22) service band cover the pump laser (11) and laser-assisted (21)
Launch wavelength.
11. the certainty soliton frequency comb generation system according to claim 2 based on microcavity, it is characterised in that: described
Pump laser (11) is a narrow linewidth semiconductor laser or narrow cable and wide optical fiber laser；The laser-assisted
It (21) is a narrow linewidth semiconductor laser or narrow cable and wide optical fiber laser；
Above-mentioned encapsulating housing (31) is a good metal shell of thermal conductivity, for 14 commercial pin butterfly encapsulating housings.
12. the certainty soliton frequency comb generation system according to claim 2 based on microcavity, it is characterised in that: described
The first Polarization Controller (13) and the second Polarization Controller (23) be optical-fiber type Polarization Controller or space slide type polarization control
Device processed；
The quality factor of the micro-ring resonant cavity (34) is greater than 105, the waveguide material of micro-ring resonant cavity is constituted with third-order non-linear
Coefficient, and the waveguide of micro-ring resonant cavity (34) has negative dispersion coefficient in pumping laser wave band；
Micro-ring resonant cavity (34) is made by CMOS compatible technology.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821614523.5U CN209046006U (en) | 2018-09-30 | 2018-09-30 | A kind of certainty soliton frequency comb generation system based on microcavity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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Cited By (5)
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| CN109119882A (en) * | 2018-09-30 | 2019-01-01 | 中国科学院西安光学精密机械研究所 | A kind of certainty soliton frequency comb generation system and method based on microcavity |
| CN110823530A (en) * | 2019-11-13 | 2020-02-21 | 南京大学 | Method for obtaining quality factor of micro-resonant cavity |
| CN110854662A (en) * | 2019-11-07 | 2020-02-28 | 中国科学院西安光学精密机械研究所 | Mid-infrared optical frequency comb generation system and method based on lithium niobate microcavity |
| CN113410743A (en) * | 2021-05-18 | 2021-09-17 | 香港理工大学深圳研究院 | Micro-cavity optical frequency comb generation device and method based on blue detuning continuous optical pumping |
| CN113418894A (en) * | 2021-06-21 | 2021-09-21 | 天津大学 | Optical microcavity resonance peak calibration method based on hydrogen cyanide gas cell |
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- 2018-09-30 CN CN201821614523.5U patent/CN209046006U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109119882A (en) * | 2018-09-30 | 2019-01-01 | 中国科学院西安光学精密机械研究所 | A kind of certainty soliton frequency comb generation system and method based on microcavity |
| CN110854662A (en) * | 2019-11-07 | 2020-02-28 | 中国科学院西安光学精密机械研究所 | Mid-infrared optical frequency comb generation system and method based on lithium niobate microcavity |
| CN110823530A (en) * | 2019-11-13 | 2020-02-21 | 南京大学 | Method for obtaining quality factor of micro-resonant cavity |
| CN110823530B (en) * | 2019-11-13 | 2021-04-27 | 南京大学 | Method for obtaining quality factor of micro-resonant cavity |
| CN113410743A (en) * | 2021-05-18 | 2021-09-17 | 香港理工大学深圳研究院 | Micro-cavity optical frequency comb generation device and method based on blue detuning continuous optical pumping |
| CN113410743B (en) * | 2021-05-18 | 2022-05-10 | 香港理工大学深圳研究院 | Micro-cavity optical frequency comb generation device and method based on blue detuning continuous optical pumping |
| CN113418894A (en) * | 2021-06-21 | 2021-09-21 | 天津大学 | Optical microcavity resonance peak calibration method based on hydrogen cyanide gas cell |
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