CN209104564U - A kind of waveguide integrating optical modulator and including its pulsed optical fibre laser machine and a kind of pulsed optical frequency com generation and regulation device - Google Patents
A kind of waveguide integrating optical modulator and including its pulsed optical fibre laser machine and a kind of pulsed optical frequency com generation and regulation device Download PDFInfo
- Publication number
- CN209104564U CN209104564U CN201821619798.8U CN201821619798U CN209104564U CN 209104564 U CN209104564 U CN 209104564U CN 201821619798 U CN201821619798 U CN 201821619798U CN 209104564 U CN209104564 U CN 209104564U
- Authority
- CN
- China
- Prior art keywords
- optical
- waveguide
- optical modulator
- saturable absorber
- fibre
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Lasers (AREA)
Abstract
The utility model discloses a kind of waveguide integrating optical modulator and including its pulsed optical fibre laser machine and a kind of pulsed optical frequency com generation and regulation device, for actively modulating pulse laser, solve the problems, such as that optical modulator application range is confined, comprising: be built-in with the optical waveguide of fibre core, cavity is offered in the optical waveguide；It is covered in the saturable absorber that on the cavity interior walls and two sides are in contact with two sections of fibre cores respectively, the fibre core is divided into two sections by the saturable absorber；At least two are arranged in the electrode of the saturable absorber two sides；The power supply of the optical waveguide side is set, and the power supply is electrically connected with the electrode；The saturable absorber is the metalloid material with characteristic of semiconductor；So as to be regulated and controled by changing supply voltage to saturable absorber, so that application of the optical modulator under the working environment of the incident light of different wave length is increased, to widen the application range of optical modulator.
Description
Technical field
The utility model relates to laser technology field more particularly to a kind of waveguide integrating optical modulator and including its arteries and veins
Wash generation and the regulation device of fine laser machine and a kind of pulsed optical frequency com off.
Background technique
It is a kind of effective way that ultrafast laser realizes ultrafast pulse output using passive mode-locking technology, and passive mode-locking
Key technology be the optical modulator that saturable absorption effect is needed to have in ultrafast laser resonant cavity.Currently, researcher
Semiconductor saturable absorbing mirror (English name SESAM) is generallyd use as optical modulator to realize that optical fiber laser mode locking is super
Fast pulse output.
However, the important component as optical modulator, due to the saturable absorption band of Commercial semiconductors saturable absorbing mirror
Width is relatively narrow, and damage threshold is lower, the kinetic characteristics of comprehensive research ultrafast laser is not suitable for, so as to cause light
The modulation depth of modulator, saturable absorption bandwidth, saturation light intensity have fixed working value, can not be by external variable to this
A little parameters are adjusted, these all limit semiconductor saturable absorbing mirror answering under the working environment of the incident light of different wave length
With to limit the application range of optical modulator.
Utility model content
The main purpose of the utility model is to provide a kind of waveguide integrating optical modulator and including its pulse fiber
The generation of laser machine and a kind of pulsed optical frequency com and regulation device, it is intended to solve existing semiconductor saturable absorbing mirror and exist
Application when different operating wavelength is limited, and the technical issues of limiting the application range of optical modulator is caused.
To achieve the above object, the utility model first aspect provides a kind of waveguide integrating optical modulator, comprising: built-in
There is the optical waveguide of fibre core, offers cavity in the optical waveguide；Be covered on the cavity interior walls and two sides respectively with two sections of institutes
The saturable absorber that fibre core is in contact is stated, the fibre core is divided into two sections by the saturable absorber；At least two settings
Electrode in the saturable absorber two sides；The power supply of the optical waveguide side, the power supply and electrode electricity are set
Connection.
Light field is formed in optical waveguide after incident light enters optical waveguide from one end of optical fiber by using above scheme,
Saturable absorber is interacted by evanscent field effect with above-mentioned light field, at this point, can be adjusted by the voltage for adjusting power supply
The carrier concentration of saturable absorber, thus the nonlinear optical properties of active control optical modulator, thus actively to incidence
Light is modulated, and modulated incident light is exported from the other end of optical fiber, so that saturable absorber be made to can adapt to not
The incident light of co-wavelength, so that optical modulator be made to can adapt to the incident light of different wave length, that has widened optical modulator applies model
It encloses.
Further, the saturable absorber is the metalloid material with characteristic of semiconductor；The saturable absorption
Body is one of bismuth film, antimony film and tellurium film or a variety of.
Further, the optical waveguide is side throwing optical fiber；The pipe opposite with the electrode is provided on the side throwing optical fiber
Foot.
Further, the thickness range of the saturable absorber is 10nm~200nm.
Further, packaging protection layer is provided on the outside of the saturable absorber.
Further, the packaging protection layer is magnesium fluoride film.
Further, the electrode is gold film electrode.
On the other hand the utility model provides a kind of pulsed optical fibre laser machine including waveguide integrating optical modulator, including
Above-mentioned waveguide integrating optical modulator；The pulsed optical fibre laser machine further include: semiconductor pump laser；It is arranged described
The light wavelength division multiplexing of semiconductor pump laser side；Setting is in the light wavelength division multiplexing far from described semiconductor pumped sharp
The gain fibre of light device side；Optical coupler of the gain fibre far from the light wavelength division multiplexing side is set；If
It sets in optoisolator of the optical coupler far from the gain fibre side；It is arranged in the optoisolator far from the light
Learn the Polarization Controller of coupler side；Optical modulator of the Polarization Controller far from the optoisolator side is set,
Side of the optical modulator far from the Polarization Controller is connected with the light wavelength division multiplexing；It is described semiconductor pumped sharp
Light device, the light wavelength division multiplexing, the gain fibre, the optical coupler, the Polarization Controller and the light modulation
Device combines to form ring structure.
Pulsed optical fibre laser machine provided by the utility model including waveguide integrating optical modulator, semiconductor pumped laser
The pump light that device generates enters gain fibre after light wavelength division multiplexing couples, and can provide laser pulse gain and to described
Laser pulse amplifies, and a part of amplified laser pulse is output to outside ring structure by optical coupler, and will be another
A part output carries out mode locking to laser pulse via the saturable absorber in optical modulator to optical modulator；Optoisolator
Laser after mode locking can be isolated, and only the laser after mode locking is allowed unidirectionally to export；Polarization Controller then is used to control laser
Polarization state；Optical modulator can regulate and control the carrier density in saturable absorption body in the case where changing supply voltage, from
And change optical modulator to the modulation capability of light, to actively modulate laser pulse.
On the other hand the utility model provides generation and the regulation device of a kind of pulsed optical frequency com, be applied to above-mentioned
Waveguide integrating optical modulator, which comprises be provided with the optics micro-loop of active area and waveguide integrating optical modulator,
For providing optical resonance and generating optical frequency com；It uses respectively at the both ends for the coupling optical waveguide being arranged in the optics micro-loop
In coupling pump light is entered in the optics micro-loop and exports signal light out of described optics micro-loop；The active area is used for
Amplify pump light, the waveguide integrating optical modulator is for modulating the optical frequency com, so that the optical frequency comb shape
At Mode-locked laser, and the supply voltage by regulating and controlling the optical modulator, with satisfying for active control saturable absorber
And absorption characteristic, to regulate and control to the optical frequency com and Mode-locked laser.
A kind of generation of pulsed optical frequency com provided by the utility model and regulation device, active area and waveguide type light
Modulator can amplify laser and modulate excessively, swash so that the optical frequency com for generating optics micro-loop forms mode locking pulse
Light, and the supply voltage by regulating and controlling optical modulator can regulate and control the saturable absorption of the saturable absorber in optical modulator
Characteristic, to adjust Mode-locked laser and optical frequency com.
The utility model provides a kind of waveguide integrating optical modulator, and beneficial effect is: when use waveguide integrating optical
When modulator, by controlling supply voltage, the saturable absorption characteristic of saturable absorber can be adjusted, so that saturable be made to inhale
Acceptor can adapt to the incident light of different wave length, so that optical modulator be made to can adapt to the incident light of different wave length, widen light
The application range of modulator.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those skilled in the art, without creative efforts, also
Other drawings may be obtained according to these drawings without any creative labor.
Fig. 1 is the structural schematic diagram of the waveguide integrating optical modulator of the utility model embodiment one；
Fig. 2 is the cross-sectional view in Fig. 1 along the direction A-A；
Fig. 3 is the structure of the pulsed optical fibre laser machine including waveguide integrating optical modulator of the utility model embodiment one
Schematic diagram；
Fig. 4 is the generation of the pulsed optical frequency com of the utility model embodiment one and the structural representation of regulation device
Figure；
Fig. 5 is the structural schematic diagram of the waveguide integrating optical modulator of the utility model embodiment two.
Specific embodiment
To enable the goal of the invention, feature, advantage of the utility model more obvious and understandable, below in conjunction with this
Attached drawing in utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, shows
So, the described embodiments are only a part of the embodiments of the utility model, and not all embodiments.Based in the utility model
Embodiment, those skilled in the art's every other embodiment obtained without making creative work all belongs to
In the range of the utility model protection.
Embodiment one
Fig. 1 and Fig. 2 is please referred to, is a kind of waveguide integrating optical modulator, comprising: optical waveguide 1, saturable absorber 2, electricity
Pole 3, power supply 4；Fibre core 11 is provided in optical waveguide 1, and fibre core 11 extends to the other end, and light wave from one end of optical waveguide 1
It leads and offers cavity 12 in 1；Saturable absorber 2 is covered on the inner wall of cavity 12, and saturable absorber 2 separates fibre core 11
It is two sections, and the two sides of saturable absorber 2 are in contact with two sections of fibre cores 11 respectively；Electrode 3 is arranged in saturable absorber 2
Opposite two sides, and be not in contact with fibre core 11；Power supply 4 be arranged outside optical waveguide 1, and the two-stage of power supply 4 respectively with can satisfy
It is connected with the electrode 3 of 2 two sides of absorber by conducting wire；In the present embodiment, saturable absorber 2 is bismuth film, in other realities
It applies in example, saturable absorber 2 can also be one of bismuth film, antimony film and tellurium film or a variety of.
After incident light enters optical waveguide 1 from one end of fibre core 11, light field, saturable absorber 2 are formed in optical waveguide 1
It is interacted by evanscent field effect with above-mentioned light field, at this point, saturable absorption can be adjusted by the voltage for adjusting power supply 4
The carrier concentration of body 2, thus the nonlinear optical properties of active control optical modulator, to actively be adjusted to incident light
System, and modulated incident light is exported from the other end of fibre core 11, so that saturable absorber 2 be made to can adapt to different wave length
Incident light widened the application range of optical modulator so that optical modulator be made to can adapt to the incident light of different wave length；And
As optical modulator provided by the invention, composition core is saturable absorber 2, and in optical modulator provided by the invention can
Saturated absorbing body 2 is the metalloid material with characteristic of semiconductor, and the metalloid material with characteristic of semiconductor is relatively easy to obtain
, to reduce the cost of manufacture of optical modulator.
In the present embodiment, optical waveguide 1 is side throwing optical fiber, and pin 13 is provided on side throwing optical fiber, pin 13 with it is upper
It is corresponding to state electrode 3, and pin 13 and electrode 3 are in contact so that electric current passes through, so as to pass through the electric current of generation of power supply 4
Saturable absorber 2 is reached after crossing conducting wire, pin 13 and electrode 3；In other embodiments, optical waveguide 1 can also be silicon substrate light wave
Lead 1 or chalcogenide glass optical waveguide 1.
In the present embodiment, and the value of saturable absorber 2 is with a thickness of between 10nm~200 nanometer, has atom
When level thickness, forbidden bandwidth is different from block thickness, accordingly not with interior relaxation time, carrier concentration and mobility
Together, therefore change film thickness can change the characteristic of saturable absorber 2, and change the electricity being applied on saturable absorber 2
Pressure energy enough changes the thickness of saturable absorber 2, so as to and adopt by applying external voltage to saturable absorber 2
When with Dc bias or radiofrequency signal, it is able to achieve the active tune to bismuth film, antimony film or tellurium film saturable absorption materials optical band gap
Control and the modulation to the interface carrier concentration, and then regulate and control the nonlinear optical properties of optical modulator, including modulation depth,
Saturable absorption bandwidth and saturation light intensity etc..
It is additionally provided with packaging protection layer in the outside of saturable absorber 2, packaging protection layer can be by saturable absorber 2
It is isolated from the outside, to reduce influence of the external environment to saturable absorber 2, in the present embodiment, saturable absorber 2 is
Magnesium fluoride film.
In the present embodiment, electrode 3 is gold film electrode 3, after gold film electrode 3 is gold target material ionization in a vacuum chamber,
The plasma-deposited of gold is formed in optical waveguide 1.
A kind of waveguide integrating optical modulator provided by the utility model, the course of work or principle are as follows: by can
Saturated absorbing body 2 applies DC voltage or radiofrequency signal, can change the thickness of saturable absorber 2, and saturable absorber 2
Thickness change the optical characteristics of objective precious absorbable body can be made to change, so that the nonlinear optics of active control optical modulator is special
Property, and 2 optical band gap of saturable absorber is tunable, and environment compatibility is high, has a wide range of application, and used each the cost of material is low
It is honest and clean, it is easy to bulk preparation, is not only suitable for achievements conversion, but also be with a wide range of applications.
Referring to Fig. 3, the utility model additionally provides a kind of pulsed optical fibre laser including waveguide integrating optical modulator
Machine, including above-mentioned waveguide integrating optical modulator 57, pulsed optical fibre laser machine further include: semiconductor pump laser 51, light
Wavelength division multiplexer 52, gain fibre 53, optical coupler 54, optoisolator 55 and Polarization Controller 56；The setting of light wave multiplexer
In 51 side of semiconductor pump laser；Light wave multiplexer is arranged in far from semiconductor pump laser 51 in gain fibre 53
Side, the pump light that semiconductor pump laser 51 generates enter gain fibre 53 after the coupling of light wave multiplexer, can be right
Laser pulse provides gain and amplifies to laser pulse；The setting of optical coupler 54 is multiplexed in gain fibre 53 far from light wave
The side of device, for exporting a part of amplified pulse laser to outside chamber, another part is exported to optical modulator 57；Light
Side of the optical coupler 54 far from gain fibre 53 is arranged in isolator 55, for the laser after mode locking to be isolated, only allows to lock
Laser after mould unidirectionally exports in pulse optical fiber；Polarization Controller 56 is arranged in optoisolator 55 far from optical coupled
The side of device 54, for controlling the polarization state of pulse laser；Optical modulator 57 is arranged in Polarization Controller 56 far from optical isolation
The side of device 55, and side of the optical modulator 57 far from Polarization Controller 56 is connected with light wave multiplexer, to make partly to lead
Body pump laser 51, light wavelength division multiplexing 52, gain fibre 53, optical coupler 54, Polarization Controller 56 and optical modulator
57 are sequentially connected and combine to form ring structure, which is resonant cavity, the saturable absorber in optical modulator 57
2 pairs of pulse lasers carry out mode locking.
A kind of pulsed optical fibre laser machine including waveguide integrating optical modulator provided by the utility model, the course of work and
Principle is as follows, and semiconductor pump laser 51 can generate pump light, i.e. pulse laser, and pulse laser passes through light wave multiplexer coupling
Enter gain fibre 53 after conjunction, so that gain fibre 53 be made to amplify pulse laser, amplified pulse laser enters light
Coupler 54 is learned, optical coupler 54 exports a part of laser to outside optical coupler 54, and another part pulse laser is defeated
Out to optical modulator 57, the pulse laser of 57 pairs of optical modulator inputs is modulated, and carries out mode locking to pulse laser, and
During circular modulating, optoisolator 55 is isolated by the laser after mode locking, to only allow the laser after mode locking in pulse
It is unidirectionally exported in optical fiber laser, Polarization Controller 56 adjusts the polarization state of pulse laser；So as to by adjusting light tune
4 voltage of power supply of device 57 processed regulates and controls the carrier density of saturable absorber 2 using DC bias signal, to change to arteries and veins
The modulation capability of impulse light, to carry out active modulation to the pulse laser in resonant cavity.
Referring to Fig. 4, the present embodiment additionally provides generation and the regulation device of a kind of pulsed optical frequency com, it is applied to
Above-mentioned waveguide integrating optical modulator 62, the above method include: to be provided with active area 61 and waveguide integrating optical modulator 62
Optics micro-loop 6, optics micro-loop 6 generates optical frequency com for providing optical resonance；Coupling in optics micro-loop 6 is set
Optical waveguide 631, both ends are respectively used to enter coupling pump light in optics micro-loop 6 and export signal light out of optics micro-loop 6；
Active area 61 is for amplifying pump light, and waveguide integrating optical modulator 62 is used for modulated optical frequency comb, so that optical frequency com
Formed Mode-locked laser, and by regulation optical modulator 62 4 voltage of power supply, with active control saturable absorber 2 can
Saturated absorption characteristic, to regulate and control to optical frequency com and Mode-locked laser.
Embodiment two
Referring to Fig. 5, present embodiments providing a kind of waveguide integrating optical modulator, comprising: gold film electrode 7, saturable
Absorber film 71, waveguide 72, conducting wire 73 and driving power 74；Saturable absorber is arranged in waveguide 72, and waveguide 72 is used for
Transmit incident light, and acted on by evanscent field in the position that saturable absorption body thin film 71 covers so that light field in waveguide 72 and
Saturable absorption body thin film 71 interacts；The two sides of saturable absorption body thin film 71 are arranged in gold film electrode 7；Driving power 74
Two-stage be connected respectively from different gold film electrodes 7 by conducting wire 73, to apply outside to saturable absorption body thin film 71
Bias voltage, to realize the active control to the nonlinear optical properties of saturable body thin film.
It should be noted that for the various method embodiments described above, describing for simplicity, therefore, it is stated as a series of
Combination of actions, but those skilled in the art should understand that, the utility model is not limited by the described action sequence,
Because certain steps can use other sequences or carry out simultaneously according to the utility model.Secondly, those skilled in the art
It should be aware of, the embodiments described in the specification are all preferred embodiments, and related actions and modules might not be all
It is necessary to the utility model.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, there is no the portion being described in detail in some embodiment
Point, it may refer to the associated description of other embodiments.
The above are to a kind of description of waveguide integrating optical modulator provided by the utility model, for the skill of this field
Art personnel, based on the idea of the embodiment of the present invention, there will be changes in the specific implementation manner and application range, comprehensive
On, the content of the present specification should not be construed as a limitation of the present invention.
Claims (9)
1. a kind of waveguide integrating optical modulator characterized by comprising
It is built-in with the optical waveguide of fibre core, offers cavity in the optical waveguide；
Be covered in the saturable absorber that on the cavity interior walls and two sides are in contact with two sections of fibre cores respectively, it is described can
The fibre core is divided into two sections by saturated absorbing body；
At least two are arranged in the electrode of the saturable absorber two sides；
The power supply of the optical waveguide side is set, and the power supply is electrically connected with the electrode.
2. waveguide integrating optical modulator according to claim 1, which is characterized in that
The saturable absorber is the metalloid material with characteristic of semiconductor；
The saturable absorber is one of bismuth film, antimony film and tellurium film or a variety of.
3. waveguide integrating optical modulator according to claim 1, which is characterized in that
The optical waveguide is side throwing optical fiber；
The pin opposite with the electrode is provided on the side throwing optical fiber.
4. waveguide integrating optical modulator according to claim 1, which is characterized in that
The thickness range of the saturable absorber is 10nm~200nm.
5. waveguide integrating optical modulator according to claim 1, which is characterized in that
Packaging protection layer is provided on the outside of the saturable absorber.
6. waveguide integrating optical modulator according to claim 5, which is characterized in that
The packaging protection layer is magnesium fluoride film.
7. according to claim 1 to waveguide integrating optical modulator described in 6 any one, which is characterized in that
The electrode is gold film electrode.
8. a kind of pulsed optical fibre laser machine including waveguide integrating optical modulator, including such as claim 1 to 7 any one institute
The waveguide integrating optical modulator stated, which is characterized in that the pulsed optical fibre laser machine includes: semiconductor pump laser；
The light wavelength division multiplexing of the semiconductor pump laser side is set；
Gain fibre of the light wavelength division multiplexing far from the semiconductor pump laser side is set；
Optical coupler of the gain fibre far from the light wavelength division multiplexing side is set；
Optoisolator of the optical coupler far from the gain fibre side is set；
Polarization Controller of the optoisolator far from the optical coupler side is set；
Optical modulator of the Polarization Controller far from the optoisolator side is set, and the optical modulator is far from described inclined
The side of vibration controller is connected with the light wavelength division multiplexing；
The semiconductor pump laser, the light wavelength division multiplexing, the gain fibre, the optical coupler, it is described partially
Vibration controller and the optical modulator combine to form ring structure.
9. generation and the regulation device of a kind of pulsed optical frequency com, including wave as claimed in any one of claims 1 to 7
Lead integrating optical modulator, which is characterized in that described device further include:
It is provided with the optics micro-loop of active area and waveguide integrating optical modulator, for providing optical resonance and generating optical frequency
Comb；
The both ends for the coupling optical waveguide being arranged in the optics micro-loop are respectively used to coupling pump light is micro- into the optics
It is exported out of described optics micro-loop in ring and by signal light；
The active area is used to modulate the optical frequency com for amplifying pump light, the waveguide integrating optical modulator, with
The optical frequency com is set to form Mode-locked laser, and the supply voltage by regulating and controlling the optical modulator, with active control
The saturable absorption characteristic of saturable absorber, to regulate and control to the optical frequency com and Mode-locked laser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821619798.8U CN209104564U (en) | 2018-09-30 | 2018-09-30 | A kind of waveguide integrating optical modulator and including its pulsed optical fibre laser machine and a kind of pulsed optical frequency com generation and regulation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821619798.8U CN209104564U (en) | 2018-09-30 | 2018-09-30 | A kind of waveguide integrating optical modulator and including its pulsed optical fibre laser machine and a kind of pulsed optical frequency com generation and regulation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209104564U true CN209104564U (en) | 2019-07-12 |
Family
ID=67154384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821619798.8U Active CN209104564U (en) | 2018-09-30 | 2018-09-30 | A kind of waveguide integrating optical modulator and including its pulsed optical fibre laser machine and a kind of pulsed optical frequency com generation and regulation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209104564U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109149333A (en) * | 2018-09-30 | 2019-01-04 | 深圳大学 | A kind of waveguide integrating optical modulator and preparation method thereof |
-
2018
- 2018-09-30 CN CN201821619798.8U patent/CN209104564U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109149333A (en) * | 2018-09-30 | 2019-01-04 | 深圳大学 | A kind of waveguide integrating optical modulator and preparation method thereof |
| CN109149333B (en) * | 2018-09-30 | 2023-12-12 | 深圳大学 | Waveguide integrated optical modulator and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2014109793A (en) | METHOD FOR PRODUCING AND OPERATING AN OPTICAL MODULATOR | |
| CN104317136B (en) | Optical fiber psec and femtosecond pulse output switching device and its control method | |
| CN103545703B (en) | Light-operated trigger laser | |
| CN101071926A (en) | Active Q-switched full-optical-fiber laser | |
| CN104466636A (en) | Single-frequency Q-switched pulsed fiber laser | |
| CN106877121B (en) | Pulse width tuning laser based on light-operated graphene Chirp Bragg grating | |
| CN209104564U (en) | A kind of waveguide integrating optical modulator and including its pulsed optical fibre laser machine and a kind of pulsed optical frequency com generation and regulation device | |
| CN105337149B (en) | A kind of impulse type narrow cable and wide optical fiber laser based on the modulation of graphene micro optical fiber ring | |
| CN111969398A (en) | Voltage-controllable all-solid-state passively Q-switched laser based on graphene saturable absorber | |
| CN203466821U (en) | Tunable optical chaotic signal generating device | |
| Rizman et al. | Q-switched and tunable wavelength fiber laser utilizing nickel oxide saturable absorber and sagnac loop mirror filter | |
| CN109256671B (en) | Method for realizing soliton mode-locked fiber laser based on graphene and tin disulfide composite film | |
| CN103293821B (en) | Fa-Po cavity device for non-linear optical being integrated with ultra-thin carbon-coating and preparation method thereof | |
| CN106992427B (en) | Light-operated hyperfrequency passive mode-locking fiber laser | |
| CN107302178B (en) | Regeneratively mode-locked fiber laser based on two-dimensional material photoelectric device | |
| KR101912130B1 (en) | Saturable absorber, method of manufacturing saturable absorber and laser generating apparatus | |
| CN105870769B (en) | A kind of actively Q-switched optical fiber laser based on graphene Electro-optical Modulation | |
| CN109149333B (en) | Waveguide integrated optical modulator and preparation method thereof | |
| CN103501200A (en) | Tunable optical chaotic signal generation device and method | |
| US11239627B2 (en) | Waveguide integrated optical modulator, pulsed optical frequency comb and mode-locked fiber laser | |
| CN205385196U (en) | Pulsed fiber laser | |
| CN112803239A (en) | Microwave frequency comb generating device based on double-light injection semiconductor laser | |
| CN203521887U (en) | Light controlled trigger laser | |
| CN103117508A (en) | Multi-wavelength high repetition frequency ultrashort pulse light source | |
| KR101713627B1 (en) | Saturable absorber for pulsed laser, method of manufacturing saturable absorber for pulsed laser and pulsed laser generating apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |