CN209525543U - A kind of ultrafast pulse compressibility - Google Patents
A kind of ultrafast pulse compressibility Download PDFInfo
- Publication number
- CN209525543U CN209525543U CN201821731604.3U CN201821731604U CN209525543U CN 209525543 U CN209525543 U CN 209525543U CN 201821731604 U CN201821731604 U CN 201821731604U CN 209525543 U CN209525543 U CN 209525543U
- Authority
- CN
- China
- Prior art keywords
- waveguide
- organic polymer
- macromolecule organic
- polymer substrate
- piezoelectric ceramics
- 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.)
- Withdrawn - After Issue
Links
Landscapes
- Optical Integrated Circuits (AREA)
Abstract
The utility model is suitable for laser technology field, provides a kind of ultrafast pulse compressibility, comprising: silicon face insulating substrate, macromolecule organic polymer substrate, piezoelectric ceramics system and low-dimensional stratified material；The silicon face of silicon face insulating substrate is prepared with waveguide and grating coupler；Macromolecule organic polymer substrate is bonded with waveguide, includes low-dimensional stratified material between macromolecule organic polymer substrate and waveguide, and the both ends of macromolecule organic polymer substrate are covered in piezoelectric ceramics system；Piezoelectric ceramics system provides uniform lateral stress to low-dimensional stratified material by macromolecule organic polymer substrate, thus the pulse width of modulating light pulse signal.Ultrafast pulse compressibility provided by the utility model is compact-sized, forced area uniformly, there is longer service life and higher anti-fatigue performance, can active control pulse compression degree, have many advantages, such as batch controllable preparation, on piece integrates.
Description
Technical field
The utility model relates to laser technology field more particularly to a kind of ultrafast pulse compressibilities.
Background technique
With the reach of science, the application technology of many such as laser thermonuclear reaction, atomicvapor laser isotope separation, precise distance measurements
It is required to that ultrashort pulse can be obtained, therefore the application of laser is also more and more extensive.And it compares and continuous type laser, pulse
Type laser can export high-peak power, and the pulse train of big repetition rate can be in bio-imaging, environmentally sensitive, medical treatment
With the fields such as basic research as a kind of ideal testing light source.For exporting the optimization of pulse characteristic, current main scheme
It is, by dispersion and nonlinear interaction, to compress the width of pulse effectively using Solid-state Optics component.
Although however, the scheme of the type can effectively to input pulse carry out Pulse Compression, be limited with system in
The space optical path of solid state device is built, and the compression set is easily by external environment influence, it is more difficult to integrated package, preparation cost height etc.
It is insufficient.In addition, the compressibility of the type needs to change by way of manually adjusting the compression effectiveness to input pulse, operation
Difficulty is big, to the more demanding of operating experience.Since disadvantages mentioned above limits the reality for the compressibility that Solid-state Optics component is built
Border application.
Utility model content
The main purpose of the utility model is that a kind of ultrafast pulse compressibility is proposed, to solve in the prior art to defeated
When entering pulse progress Pulse Compression, compression set is easily by external environment influence, it is more difficult to which integrated package, preparation cost height etc. is no
Foot, and need to change the compression effectiveness to input pulse by way of manually adjusting, operation difficulty is big, wants to operating experience
Seek higher problem.
To achieve the above object, the utility model embodiment first aspect provides a kind of ultrafast pulse compressibility, described
System includes: silicon face insulating substrate, macromolecule organic polymer substrate, piezoelectric ceramics system and low-dimensional stratified material；
The silicon face of the silicon face insulating substrate is prepared with waveguide and grating coupler；
The macromolecule organic polymer substrate is bonded with the waveguide, the macromolecule organic polymer substrate with it is described
It include the low-dimensional stratified material between waveguide, the both ends of the macromolecule organic polymer substrate are covered on the piezoelectricity pottery
In porcelain system；
The piezoelectric ceramics system provides low-dimensional stratified material by macromolecule organic polymer substrate uniform lateral
Stress, to modulate the pulse width of the light pulse signal；
Light pulse signal described in the waveguide transmission；
The grating coupler guides the light pulse signal to enter the waveguide, and with preset output than by the tune
Light pulse signal after system exports the waveguide.
In conjunction with the utility model in a first aspect, in the first embodiment of the utility model first aspect, the waveguide packet
Include waveguide transmission area and isolated area；
The waveguide is divided into N number of waveguide transmission area by the isolated area, and N is the integer greater than 1；
The light pulse signal transmits in the waveguide transmission area.
In conjunction with the first embodiment of the utility model first aspect, the second embodiment of the utility model first aspect
In, the waveguide transmission area includes pulse width modulator zone；
The light pulse signal transmits in the pulse width modulator zone and carries out pulse width modulation.
In conjunction with the first embodiment and second embodiment of the utility model first aspect, the utility model first aspect
Third embodiment in, the pulse width modulator zone includes that the macromolecule organic polymer substrate is bonded with the waveguide
Region.
In conjunction with the utility model in a first aspect, in the 4th embodiment of the utility model first aspect, the grating coupling
Clutch includes input coupling grating and output coupling grating；
The input coupling grating and output coupling grating preparation are in the waveguide two sides；
The light pulse signal is coupled into the waveguide by the input coupling grating；
The output coupling grating exports the waveguide with preset output ratio, by the modulated light pulse signal.
In conjunction with the utility model in a first aspect, in the 5th embodiment of the utility model first aspect, the macromolecule
Organic polymer substrate includes the film prepared by macromolecule organic polymer.
In conjunction with the utility model in a first aspect, in the sixth embodiment of the utility model first aspect, the piezoelectricity pottery
Porcelain system includes two piezoelectric ceramics；
Described two piezoelectric ceramics are separately positioned on the waveguide two sides.
In conjunction with the utility model in a first aspect, in the 7th embodiment of the utility model first aspect, the piezoelectricity pottery
Porcelain system further includes level period regulation device；
The level period regulation device control provides periodic voltage input to the piezoelectric ceramics, enables the pressure
The periodic transverse shifting of electroceramics.
Ultrafast pulse compressibility provided by the embodiment of the utility model, prepares on the silicon face of silicon face insulating substrate
Light pulse signal, is introduced into waveguide using grating coupler and is transmitted by waveguide and grating coupler, by waveguide suddenly
It dies the interaction of field and low-dimensional stratified material, the pulse width of Compressed pulse signal, while piezoelectric ceramics system is utilized, lead to
It crosses macromolecule organic polymer substrate and provides uniform lateral stress to low-dimensional stratified material, to change the electronics of low-dimensional materials
Energy band, the nonlinear optical properties of active control low-dimensional stratified material control the compression of light pulse signal pulse width, finally lead to
Grating coupler is crossed by modulated light pulse signal output waveguide, realizes that the active to the pulse width of light pulse signal is compressed
Modulation effect.Ultrafast pulse compressibility provided by the utility model embodiment is compact-sized, forced area uniformly, have compared with
Long service life and higher anti-fatigue performance, and do not need to manually adjust, with batch controllable preparation, on piece is integrated etc.
Advantage.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of ultrafast pulse compressibility provided by the utility model embodiment one；
Fig. 2 is the structural schematic diagram of grating coupler provided by the utility model embodiment one；
Fig. 3 is that the implementation process of the preparation method of ultrafast pulse compressibility provided by the utility model embodiment two is shown
It is intended to.
Detailed description of the invention: 10, ultrafast pulse compressibility；11, silicon face insulating substrate；12, macromolecule organic polymer serves as a contrast
Bottom；13, piezoelectric ceramics system；14, low-dimensional stratified material；111, waveguide；112, grating coupler；1121, input coupling grating；
1122, output coupling grating.
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
It should be appreciated that specific embodiment described herein is only used to explain the utility model, it is not used to limit this
Utility model.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or the device that include a series of elements not only include those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
There is also other identical elements in the process, method of element, article or device.
In subsequent description, utility model embodiment sequence number is for illustration only, does not represent the advantages or disadvantages of the embodiments.
Embodiment one
As shown in Figure 1, the utility model embodiment gives a kind of structure of ultrafast pulse compressibility 10 comprising silicon
Surface insulation substrate 11, macromolecule organic polymer substrate 12, piezoelectric ceramics system 13 and low-dimensional stratified material 14.
In the utility model embodiment, ultrafast pulse compressibility is the compressibility based on ultrafast pulse.
In a particular application, the surface of silicon face insulating substrate 11 is covered with material silicon (Si), and the steady of system can be improved
It is qualitative.
In a particular application, macromolecule organic polymer substrate 12 include prepared by macromolecule organic polymer it is thin
Film.
In practical applications, macromolecule organic polymer may include polymethyl methacrylate, polyvinyl alcohol and poly- two
One of methylsiloxane；Its thickness can be set to 20~50 μm.Due in macromolecule organic polymer substrate and waveguide
Between low-dimensional stratified material is set, low-dimensional stratified material can be isolated with external environment, keep away by macromolecule organic polymer substrate
Exempt from low-dimensional stratified material to be polluted by external environment, the effective service life for improving low-dimensional stratified material.
In a particular application, low-dimensional stratiform dimension material 14 can be one-dimensional stratified material or two-dimensional layer material, conduct
Non-linear saturable absorption material, has a biggish third-order nonlinear optical coefficient, and stronger light and material interact and ultrafast
Carrier mobility.
In ultrafast pulse compressibility provided by the utility model embodiment, above-mentioned silicon face insulating substrate 11, height
Structural relation between molecule organic polymer substrate 12, piezoelectric ceramics system 13 and low-dimensional stratified material 14 is as follows:
The silicon face of silicon face insulating substrate 11 is prepared with waveguide 111 and grating coupler 112；Macromolecule organic polymer
Substrate 12 is bonded with waveguide 111, includes low-dimensional stratified material 14 between macromolecule organic polymer substrate 12 and waveguide 111,
The both ends of macromolecule organic polymer substrate 12 are covered in piezoelectric ceramics system 13.
In the utility model embodiment, waveguide 111 is used for transmission light pulse signal, and light pulse signal is exhausted in silicon face
When transmitting in prepared waveguide transmission area on edge substrate, have insertion loss low, the features such as single mode transport.
In one embodiment, waveguide includes waveguide transmission area and isolated area；Waveguide is divided into N waveguide by isolated area
Transmission range, N are the integer greater than 1；Light pulse signal transmits in waveguide transmission area.
In one embodiment, waveguide transmission area includes pulse width modulator zone；Light pulse signal is modulated in pulse width
It is transmitted in area and carries out pulse width modulation.Wherein, pulse width modulator zone includes macromolecule organic polymer substrate and waveguide
The region of fitting.
In a particular application, light pulse signal can be for arbitrarily can be according to the transmission of certain time interval off and on
Optical signal, it is not specifically limited herein.
In a particular application, isolated area multiple can be used for transmission light pulse signal can be arbitrarily divided into waveguide
Waveguide transmission area substance or medium；For example, when preparation waveguide, at intervals in the rectangular of silicon face removal same size
Body enables not connected between waveguide transmission area.
In a particular application, waveguide is divided into multiple waveguide transmission areas by isolated area, selects wherein one or more waveguide
Transmission range to receive light pulse signal, while with macromolecule organic polymer substrate attaching, including after low-dimensional stratified material, shape
At pulse width modulator zone, it is not specifically limited herein.
In a particular application, when light pulse signal is transmitted to pulse width modulator zone, due in waveguide evanscent field with it is low
Stratified material interaction is tieed up, the pulse width of light pulse signal has been effectively compressed, to realize the modulation of pulse width.
In the utility model embodiment, grating coupler 112, for guiding optical signal to enter waveguide, and with preset
Output is than by modulated impulse type optical signal output waveguide.
In one embodiment, grating coupler includes input coupling grating and output coupling grating；Input coupling grating
It prepares with output coupling grating in waveguide two sides；Light pulse signal is coupled into waveguide by input coupling grating；Output coupling light
Grid are with preset output ratio, by modulated light pulse signal output waveguide.
In a particular application, grating coupler prepared in silicon face insulating substrate, can be by light pulse signal with height
Coupling efficiency be coupled into waveguide, adjust the output ratio of light pulse signal output waveguide, enable and output wave is compared with preset output
It leads, for test and related application；Meanwhile when needing to receive multiple light pulse signals and entering different waveguide transmission areas, if
Set multiple groups input coupling grating and output coupling grating.
In a particular application, light pulse signal is coupled into waveguide and output coupling grating for light by input coupling grating
Pulse signal is according to output than during the coupling input output exported in waveguide, light is can be used in the coupling of light pulse signal
Fibre input or spatial light input, meanwhile, fiber coupling output or space optical coupling output can also be used.
As shown in Fig. 2, showing waveguide 111 and the grating coupler prepared on the silicon face of silicon face insulating substrate 11
A kind of 112 structure: isolated area divides waveguide 111 for three waveguide transmission areas, input coupling grating 1121 and output coupling light
Grid 1122 are prepared along waveguide notch direction in 111 two sides of waveguide.
In the utility model embodiment, piezoelectric ceramics system 13, for passing through macromolecule organic polymer substrate to low
It ties up stratified material and uniform lateral stress is provided, thus the pulse width of modulating light pulse signal.
In one embodiment, piezoelectric ceramics system includes two piezoelectric ceramics；Two piezoelectric ceramics are separately positioned on wave
Lead two sides.
In a particular application, piezoelectric ceramics system further includes level period regulation device；Level period regulation device
Control provides periodic voltage input to piezoelectric ceramics, enables the periodic transverse shifting of piezoelectric ceramics.
In a particular application, two piezoelectric ceramics are arranged at waveguide two sides, can be with input grating coupler and defeated
Locality out where grating coupler is identical, can also with input grating coupler and output grating coupler where
Locality is vertical.
In the utility model embodiment, waveguide is divided into three waveguide transmission areas by isolated area, then inputs grating coupler
With output grating coupler, it is arranged in intermediate waveguide transmission area, the two sides along waveguide notch direction are distributed；Two piezoelectricity potteries
The locality of porcelain is vertical with the locality where input grating coupler and output grating coupler, and is arranged in
Between adjacent waveguide transmission area, waveguide transmission area on；The both ends of macromolecule organic polymer substrate are covered on piezoelectric ceramics system
On, when being bonded with waveguide, low-dimensional stratified material is placed in intermediate waveguide transmission area.
Ultrafast pulse compressibility provided by the utility model embodiment is made on the silicon face of silicon face insulating substrate
For waveguide and grating coupler, light pulse signal is introduced into waveguide using grating coupler and is transmitted, by waveguide
The interaction of evanscent field and low-dimensional stratified material, the pulse width of Compressed pulse signal, while piezoelectric ceramics system is utilized,
Uniform lateral stress is provided to low-dimensional stratified material by macromolecule organic polymer substrate, to change the electricity of low-dimensional materials
Energy subband, the nonlinear optical properties of further active control low-dimensional stratified material control the pressure of light pulse signal pulse width
Contracting realizes the pulse width to light pulse signal finally by grating coupler by modulated light pulse signal output waveguide
Actively compress modulation effect.Ultrafast pulse compressibility provided by the utility model embodiment is compact-sized, forced area
Uniformly, there is longer service life and higher anti-fatigue performance, and do not need to manually adjust, have batch controllable
It is standby, the advantages that on piece integrates.
Embodiment two
As shown in figure 3, the utility model embodiment provides a kind of preparation method of ultrafast pulse compressibility, comprising:
S101, silicon face insulating substrate, macromolecule organic polymer substrate, piezoelectric ceramics system and low-dimensional stratiform material are provided
Material.
In above-mentioned steps S101, the surface of silicon face insulating substrate is covered with material silicon (Si), and system can be improved
Stability.
S102, waveguide and grating coupler are prepared in the silicon face of the silicon face insulating substrate.
In above-mentioned steps S102, waveguide and grating coupler are prepared directly in silicon face insulating substrate, at present at
Ripe CMOS processing technology is compatible, has many advantages, such as batch controllable preparation, and on piece is integrated.
In one embodiment, in the method packet of silicon face the preparation waveguide and grating coupler of silicon face insulating substrate
It includes, by electron beam exposure technique or two-beam etching technics, meets light pulse letter in the silicon face preparation of silicon face insulating substrate
The waveguide of number transmission conditions and grating coupler.
In a particular application, grating coupler includes input coupling grating and output coupling grating；Input coupling grating and
Output coupling grating is prepared in waveguide two sides, is coupled with waveguide, so that grating coupler can be by light pulse signal with high coupling
It closes efficiency and is coupled into waveguide, and with preset output than being used for further test and phase for light pulse signal output waveguide
Close application.
S103, the macromolecule organic polymer substrate is bonded with the waveguide, enables the macromolecule organic polymer
It include the low-dimensional stratified material between substrate and the waveguide, meanwhile, by the two of the macromolecule organic polymer substrate
End is covered in the piezoelectric ceramics system.
In above-mentioned steps S103, macromolecule organic polymer substrate has certain flexibility, single layer or few layer it is low
Dimension stratified material large area is uniformly covered on the surface of macromolecule organic polymer substrate, so that piezoelectric ceramics is applied to its both ends
When adding cross directional stretch, can low-dimensional stratified material to substrate surface laterally uniform stress is provided, to change low-dimensional
The electron energy band of stratified material, the nonlinear optical properties of further active control low-dimensional stratified material are realized and are believed light pulse
The compression of number pulse width.
In one embodiment, the preparation method of macromolecule organic polymer substrate includes, by macromolecule organic polymer
Powder is dissolved in organic solvent, obtains the solution based on macromolecule organic polymer；By macromolecule organic polymer soln in device
In ware, it is placed in drying in drying box, forms macromolecule organic polymer thin film, obtains macromolecule organic polymer substrate.
In the utility model embodiment, the thickness of macromolecule organic polymer substrate can be 20~50 μm；
In a particular application, macromolecule organic polymer may include polymethyl methacrylate, polyvinyl alcohol or poly- two
Methylsiloxane.
In one embodiment, the preparation method of low-dimensional stratified material includes passing through chemical vapour deposition technique or mechanical stripping
Single layer or few uniform low-dimensional stratified material of layer large area are obtained from technology.
In a particular application, low-dimensional stratified material includes carbon nanotube, graphene, transient metal sulfide and black phosphorus.
In a particular application, transient metal sulfide includes molybdenum disulfide, tungsten disulfide, two tungsten selenides, two selenizing molybdenums, two
Selenizing zirconium, curing zirconium, stannic disulfide, two stannic selenides, two telluride tungsten, two telluride molybdenums, curing hafnium, two selenizing hafniums, two selenizings
Rhenium, rhenium disulfide and indium selenide.
In above-mentioned steps S101 into step S103, light pulse signal waveguide prepared in silicon face insulating substrate is passed
When transmitting in defeated area, have insertion loss low, the features such as single mode transport.
In one embodiment, waveguide includes waveguide transmission area and isolated area；Waveguide is divided into N waveguide by isolated area
Transmission range, N are the integer greater than 1；Light pulse signal transmits in waveguide transmission area.
In a particular application, isolated area multiple can be used for transmission light pulse signal can be arbitrarily divided into waveguide
Waveguide transmission area substance or medium；For example, when preparation waveguide, at intervals in the rectangular of silicon face removal same size
Body enables not connected between waveguide transmission area.
In one embodiment, waveguide transmission area includes pulse width modulator zone；Light pulse signal is modulated in pulse width
It is transmitted in area and carries out pulse width modulation.Wherein, pulse width modulator zone includes macromolecule organic polymer substrate and waveguide
The region of fitting, in the region, evanscent field and low-dimensional stratified material in waveguide interact, and have been effectively compressed light pulse letter
Number pulse width, to realize the adjustment of pulse width.
S104, the piezoelectric ceramics system is enabled to provide by macromolecule organic polymer substrate the low-dimensional stratified material
Uniform lateral stress, to modulate the pulse width of the light pulse signal.
In above-mentioned steps S104, piezoelectric ceramics system provides periodic voltage input to piezoelectric ceramics, and piezoelectricity is enabled to make pottery
The periodic transverse shifting of porcelain.The effect of nanoscale lateral stress is provided to macromolecule organic polymer substrate, so that being close to high
The low-dimensional stratified material of molecule organic polymer substrate is changed its non-linear saturable absorption characteristic by stress, further changes
Become the modulation effect to light pulse signal pulse width, realization actively compresses modulation effect to light pulse signal pulse width.
In above-mentioned steps S101 into step S104, macromolecule organic polymer substrate is bonded with waveguide, enables macromolecule
It include low-dimensional stratified material between organic polymer substrate and waveguide, meanwhile, by the both ends of macromolecule organic polymer substrate
It is covered in piezoelectric ceramics system and includes:
Low-dimensional stratified material is transferred on macromolecule organic polymer substrate by transfer techniques；
Two piezoelectric ceramics are set in piezoelectric ceramics system；
There to be the one side of low-dimensional stratified material to fit closely with waveguide in macromolecule organic polymer substrate, while by high score
The both ends of sub- organic polymer substrate are separately fixed at the surface of two piezoelectric ceramics.
The preparation method of ultrafast pulse compressibility provided by the embodiment of the utility model is prepared for silicon face insulation lining
Bottom, macromolecule organic polymer substrate, piezoelectric ceramics system and low-dimensional stratified material；Wherein, in the silicon of silicon face insulating substrate
It is also prepared for waveguide and grating coupler on surface, light pulse signal is introduced into waveguide using grating coupler and is transmitted；
Low-dimensional stratified material is set between macromolecule organic polymer substrate and waveguide, passes through evanscent field in waveguide and low-dimensional stratiform material
The interaction of material, the pulse width of Compressed pulse signal, while the both ends of macromolecule organic polymer substrate being covered on
In piezoelectric ceramics system, the nonlinear optical properties of the further active control low-dimensional stratified material of piezoelectric ceramics system, control are utilized
The compression of light pulse signal pulse width processed, finally by grating coupler by modulated light pulse signal output waveguide, in fact
Modulation effect is actively now compressed to the pulse width of light pulse signal.Ultrafast pulse pressure provided by the utility model embodiment
Compression system is compact-sized, forced area is uniform, has longer service life and higher anti-fatigue performance, and does not need hand
It is dynamic to adjust, have many advantages, such as batch controllable preparation, on piece is integrated.
Embodiment described above is only to illustrate the technical solution of the utility model, rather than its limitations；Although aforementioned reality
Example is applied the utility model is described in detail, those skilled in the art should understand that: it still can be to preceding
Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features；And these
It modifies or replaces, the spirit and model of various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution
It encloses, should be included within the scope of protection of this utility model.
Claims (8)
1. a kind of ultrafast pulse compressibility characterized by comprising silicon face insulating substrate, macromolecule organic polymer lining
Bottom, piezoelectric ceramics system and low-dimensional stratified material；
The silicon face of the silicon face insulating substrate is prepared with waveguide and grating coupler；
The macromolecule organic polymer substrate is bonded with the waveguide, the macromolecule organic polymer substrate and the waveguide
Between include the low-dimensional stratified material, the both ends of the macromolecule organic polymer substrate are covered on the piezoelectric ceramics system
On system；
The waveguide transmission light pulse signal；
The piezoelectric ceramics system provides uniform lateral stress to low-dimensional stratified material by macromolecule organic polymer substrate,
To modulate the pulse width of the light pulse signal；
The grating coupler guides the light pulse signal to enter the waveguide, and with preset output than will be after the modulation
Light pulse signal export the waveguide.
2. ultrafast pulse compressibility as described in claim 1, which is characterized in that the waveguide include waveguide transmission area and every
From area；
The waveguide is divided into N number of waveguide transmission area by the isolated area, and N is the integer greater than 1；
The light pulse signal transmits in the waveguide transmission area.
3. ultrafast pulse compressibility as claimed in claim 2, which is characterized in that the waveguide transmission area includes pulse width
Modulator zone；
The light pulse signal transmits in the pulse width modulator zone and carries out pulse width modulation.
4. ultrafast pulse compressibility as described in any one of claims 1 to 3, which is characterized in that the pulse width modulation
Area includes the region that the macromolecule organic polymer substrate is bonded with the waveguide.
5. ultrafast pulse compressibility as described in claim 1, which is characterized in that the grating coupler includes input coupling
Grating and output coupling grating；
The input coupling grating and output coupling grating preparation are in the waveguide two sides；
The light pulse signal is coupled into the waveguide by the input coupling grating；
The output coupling grating exports the waveguide with preset output ratio, by the modulated light pulse signal.
6. ultrafast pulse compressibility as described in claim 1, which is characterized in that the macromolecule organic polymer substrate packet
Include the film prepared by macromolecule organic polymer.
7. ultrafast pulse compressibility as described in claim 1, which is characterized in that the piezoelectric ceramics system includes two pressures
Electroceramics；
Described two piezoelectric ceramics are separately positioned on the waveguide two sides.
8. ultrafast pulse compressibility as claimed in claim 7, which is characterized in that the piezoelectric ceramics system further includes level
Periodical regulation device；
The level period regulation device control provides periodic voltage input to the piezoelectric ceramics, and the piezoelectricity is enabled to make pottery
The periodic transverse shifting of porcelain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821731604.3U CN209525543U (en) | 2018-10-24 | 2018-10-24 | A kind of ultrafast pulse compressibility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821731604.3U CN209525543U (en) | 2018-10-24 | 2018-10-24 | A kind of ultrafast pulse compressibility |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209525543U true CN209525543U (en) | 2019-10-22 |
Family
ID=68213170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821731604.3U Withdrawn - After Issue CN209525543U (en) | 2018-10-24 | 2018-10-24 | A kind of ultrafast pulse compressibility |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209525543U (en) |
-
2018
- 2018-10-24 CN CN201821731604.3U patent/CN209525543U/en not_active Withdrawn - After Issue
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Wenger et al. | Mechanically tunable conjugated polymer distributed feedback lasers | |
| Yang et al. | CMOS-compatible WS2-based all-optical modulator | |
| CN109116590B (en) | Silicon and lithium niobate hybrid integrated optical modulator and preparation method thereof | |
| CN103018928B (en) | Tunable microwave photonic filter based on photoinjection semiconductor laser system | |
| CN103955147B (en) | A kind of control device of micro-loop photoswitch | |
| McKay et al. | Brillouin-based phase shifter in a silicon waveguide | |
| KR101882780B1 (en) | Ultrafast optical switching device based on black phosphorus | |
| AlAloul et al. | Low insertion loss plasmon-enhanced graphene all-optical modulator | |
| Alimonti et al. | Use of silicon photonics wavelength multiplexing techniques for fast parallel readout in high energy physics | |
| CN209525543U (en) | A kind of ultrafast pulse compressibility | |
| Shekhawat et al. | Design of ultra-compact and highly-sensitive graphene assisted silicon micro-ring resonator modulator for switching applications | |
| CN112162420A (en) | Micro-ring coupling modulation structure based on graphene fine-tuning coupling efficiency and use method thereof | |
| CN109188732A (en) | A kind of ultrafast pulse compressibility and preparation method | |
| Tao et al. | Single-wall carbon nanotube assisted all-optical wavelength conversion at 2.05 µm | |
| CN112526771A (en) | Molybdenum disulfide film assisted thermo-optic modulator | |
| WO2020082254A1 (en) | Ultrafast pulse compression system and preparation method | |
| Tang et al. | Electrically Controlled Wavelength-Tunable Photoluminescence from van der Waals Heterostructures | |
| CN113448135A (en) | Graphene-based high-linearity micro-ring auxiliary MZ modulator | |
| Rostami et al. | All-optical implementation of tunable low-pass, high-pass, and bandpass optical filters using ring resonators | |
| CN109149333A (en) | A kind of waveguide integrating optical modulator and preparation method thereof | |
| Xie et al. | Tunable gallium nitride-based devices for ultrafast signal processing | |
| 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 | |
| CN106526902A (en) | Light space ultrafast modulator based on graphene micro optical fiber | |
| Maiti et al. | Microring Resonators Coupling Tunability by Heterogeneous 2D Material Integration | |
| Taodejin et al. | Terahertz wave tunable resonator based on compound lattice photonic crystal |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20191022 Effective date of abandoning: 20200327 |
|
| AV01 | Patent right actively abandoned |