CN110412668A - A kind of structure and its application generating multiple surface lattice resonance - Google Patents
A kind of structure and its application generating multiple surface lattice resonance Download PDFInfo
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- CN110412668A CN110412668A CN201910726541.5A CN201910726541A CN110412668A CN 110412668 A CN110412668 A CN 110412668A CN 201910726541 A CN201910726541 A CN 201910726541A CN 110412668 A CN110412668 A CN 110412668A
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- phasmon
- surface lattice
- lattice resonance
- multiple surface
- laser
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- 239000000758 substrate Substances 0.000 claims abstract description 10
- 230000001413 cellular effect Effects 0.000 claims abstract description 7
- 238000010276 construction Methods 0.000 claims abstract description 7
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 3
- 239000002063 nanoring Substances 0.000 claims description 3
- 230000005764 inhibitory process Effects 0.000 abstract description 6
- 230000005855 radiation Effects 0.000 abstract description 6
- 238000011161 development Methods 0.000 abstract description 3
- 230000010354 integration Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 23
- 229910052737 gold Inorganic materials 0.000 description 23
- 239000010931 gold Substances 0.000 description 23
- 230000010287 polarization Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 5
- 239000004926 polymethyl methacrylate Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 241000209094 Oryza Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000609 electron-beam lithography Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000002107 nanodisc Substances 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- 238000000411 transmission spectrum Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000005094 computer simulation Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000002198 surface plasmon resonance spectroscopy Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/008—Surface plasmon devices
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/30—Structure or shape of the active region; Materials used for the active region
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
- Lasers (AREA)
Abstract
The invention discloses a kind of structures and its application for generating multiple surface lattice resonance, belong to micro-nano photonic device technical field, including substrate, phasmon molecule is placed in the substrate, for the phasmon molecular ordered arrangement at array architecture, the phasmon molecule is the condensate being made of nanogold or nano silver cellular construction；Phasmon molecular array structure provided by the invention can generate multiple surface lattice resonance, using the structure fabrication at surface phasmon chip of laser can excite multiple surface lattice resonance well, and it can be in multiple wave bands while inhibition system radiation loss, multiple wave bands are modulated, it is emitted the nanometer laser of multiple wave bands, this is of great significance to the development of Information Integration.
Description
Technical field
The invention belongs to micro-nano photonic device technical fields, and in particular to a kind of structure for generating multiple surface lattice resonance
And its application.
Background technique
Nanometer laser is that conventional semiconductors laser and micro-nano photoelectron combine the Disciplinary Frontiers to grow up, to micro-nano photon
The great significance for design of device.Meanwhile limited by " three-dimensional optical diffraction limit ", nano laser it is integrated,
Miniaturization receives very big challenge, but surface phasmon laser can overcome diffraction limit and light is limited in sub- wave
Long region.Currently, surface phasmon laser system has very big radiation loss, reduced so as to cause quality factor, office
The reduction of domain field strength.
Lattice surface resonance is that local surface plasmon resonance swashs with abnormal couple in array Ruili in nano-grain array
A kind of resonance mode of hair, incident field energy can be confined in array structure by it well, thus effectively inhibition system spoke
Loss is penetrated, and significantly increases local field strength.But lattice surface resonance single at present can only carry out spectrum in single wave band
Regulation, cannot be in multiple wave bands while inhibition system radiation loss, to can not achieve to multiple wave bands while be modulated.
Summary of the invention
The present invention provides a kind of structures and its application for generating multiple surface lattice resonance, solve above-mentioned technology and ask
Topic, the present invention is based on phasmon molecular array structure, has devised the multimode table that can generate multiple surface lattice resonance very well
Face phasmon chip of laser realizes the purpose of the radiation loss in multiple wave bands while inhibition system.
The first purpose of the invention is to provide a kind of structure for generating multiple surface lattice resonance, including it is multiple etc. from swashing
First molecule, for multiple phasmon molecular ordered arrangements at array architecture, the phasmon molecule is by nanogold or to receive
The condensate that the silver-colored cellular construction of rice is constituted.
Preferably, the cellular construction is nanometer plate, nanometer rods, nanometer triangle or nano-rings.
Preferably, the condensate is tripolymer, the tetramer or pentamer.
Preferably, the condensate symmetry belongs to Dnh、Dnd、Dn、Cnh、CnvOr CnPoint group, the integer that wherein n is >=2.
A second object of the present invention is to provide the structures of the multiple surface lattice resonance of above-mentioned generation in surface phasmon
Application in terms of chip of laser.
Third object of the present invention is to provide a kind of surface phasmon chip of laser, including substrate, the substrates
On be placed with the structure of the multiple surface lattice resonance of above-mentioned generation.
Compared with prior art, the present invention has the following advantages:
Phasmon molecular array structure provided by the invention can generate multiple surface lattice resonance, utilize the structure system
The surface phasmon chip of laser being made can excite multiple surface lattice resonance well, and can be same in multiple wave bands
When inhibition system radiation loss, multiple wave bands are modulated, are emitted the nanometer laser of multiple wave bands, this is to Information Integration
Development is of great significance.
Detailed description of the invention
Fig. 1 is 1 multimode surface phasmon chip of laser structural schematic diagram of embodiment；
Fig. 2 is 1 disk tripolymer C of embodiment2VMolecular geochemistry；
Fig. 3 is the transmission spectrum of 1 trimeric molecules array of embodiment；
Fig. 4 is 2 multimode surface phasmon chip of laser structural schematic diagram of embodiment；
Fig. 5 is 2 disk tetramer C of embodiment2VMolecular geochemistry；
Fig. 6 is the transmission spectrum of 2 tetrameric molecule array of embodiment；
Fig. 7 is 3 multimode surface phasmon chip of laser structural schematic diagram of embodiment；
Fig. 8 is 4 multimode surface phasmon chip of laser structural schematic diagram of embodiment；
Fig. 9 is 4 disk pentamer D of embodiment2hMolecular geochemistry.
Specific embodiment
In order to enable those skilled in the art to more fully understand, technical solution of the present invention is practiced, below with reference to specific
The invention will be further described for embodiment and attached drawing, but illustrated embodiment is not as a limitation of the invention.
It is multiple the present invention provides a kind of structure for generating multiple surface lattice resonance, including multiple phasmon molecules
Phasmon molecular ordered arrangement at array architecture, phasmon molecule be made of nanogold or nano silver cellular construction it is poly-
Zoarium, cellular construction can be nanometer plate, nanometer rods, nanometer triangle or nano-rings, and condensate can be poly- for tripolymer, the tetramer or five
Body, condensate symmetry belong to Dnh、Dnd、Dn、Cnh、CnvOr CnPoint group, the integer that wherein n is >=2；We are below with gold nano
For disk, illustrate the structure provided by the invention for generating multiple surface lattice resonance, and utilize surface made of above structure
Phasmon chip of laser.
Embodiment 1
A kind of structure generating multiple surface lattice resonance, by gold nano disk tripolymer C2VMolecular ordered arrangement is tied at display
Structure, as shown in Fig. 2, gold nano disk tripolymer C2VMolecule is made of three gold nano disks that thickness is identical, diameter is different,
In, the diameter of two small gold nano disk is equal, small gold nano disk radius r=80nm, big gold nano disk radius R=150nm, s=
240nm, g=290nm, large and small gold nano disc thickness is h=50nm；As shown in Figure 1, by above-mentioned array structure by ion/
Electronics lithographic method etches in quartz-PMMA (polymethyl methacrylate) substrate, and multimode surface phasmon laser is made
Device chip.
In order to detect the performance of above-mentioned phasmon chip of laser, tested by electron beam lithography, the sample that will be made
Product, which are immersed, to be measured in the oil that refractive index matches with having set, and corresponding transmitted light spectrogram (left see Fig. 3) is obtained, when passing through
Domain finite difference calculus (FDTD) simulation, set ambient enviroment refractive index as 1.48, and transmitted light spectrogram (right see Fig. 3) is calculated；
It can be obtained by Fig. 3, the result of experiment and computer sim- ulation has good fitness: when in-field polarization direction is the direction x, be kept
Period P on the polarization direction of vertical incidence fieldyFor 750nm, change the period P on parallel in-field polarization directionx(650nm、
750nm, 850nm) occur multiple sharp formants, i.e. locally resonant mode and battle array at the position of 1000nm or more respectively
Arrange the multiple surface lattice resonance mode that Ruili coupling extremely generates.
Embodiment 2
A kind of structure generating multiple surface lattice resonance, by gold nano disk tetramer C2VMolecular ordered arrangement is tied at display
Structure, as shown in figure 5, gold nano disk tetramer C2VMolecule is made of four gold nano disks, and the small gold nano disk radius of two of them is equal
For r=70nm, gold nano disk radius equal R=90nm, s two big1=170nm, s2=240nm, s3=240nm, large and small Jenner
Rice disc thickness is h=50nm；As shown in figure 4, by above-mentioned array structure by ion/electronics lithographic method etching in quartz-
In PMMA substrate, multimode surface phasmon chip of laser is made；
As shown in fig. 6, electron beam lithography experiment shows to keep vertical incidence field when in-field polarization direction is the direction x
Period P on polarization directionyFor 750nm, change the period P on parallel in-field polarization directionx(650nm、750nm、850nm)
Multiple surface lattice resonance is realized respectively.
Embodiment 3
A kind of structure generating multiple surface lattice resonance, by gold nano disk tripolymer D3hMolecular ordered arrangement is tied at display
Structure, tripolymer D3hMolecular geochemistry is made of the identical gold nano disk of three sizes, and gold nano disk radius r=80nm, Jenner is arranged
Rice disk center of circle distance s=175nm, gold nano disc thickness h=50nm, passes through ion/electronics lithographic method for above-mentioned array structure
Etching is in quartz-PMMA substrate, as shown in fig. 7, multimode surface phasmon chip of laser, effect and embodiment 1 is made
It is identical, multiple surface lattice resonance equally may be implemented.
Embodiment 4
A kind of structure generating multiple surface lattice resonance, by gold nano disk pentamer D2hMolecular ordered arrangement is tied at display
Structure, as shown in figure 9, pentamer D2hMolecular geochemistry is made of five gold nano disks, wherein four small gold nano disk size is identical, if
Set big gold nano disk radius R=120nm, small gold nano disk radius r=60nm, s1=200nm, s2=360nm, gold nano disk are thick
Degree is h=50nm, as shown in figure 8, by above-mentioned array structure through ion/electronics lithographic method in quartz-PMMA substrate,
Effect is same as Example 1, and multiple surface lattice resonance equally may be implemented.
In conclusion phasmon molecular array structure provided by the invention can generate multiple surface lattice resonance, benefit
With the structure fabrication at surface phasmon chip of laser can excite multiple surface lattice resonance well, and can be
Multiple wave bands while inhibition system radiation loss, are modulated multiple wave bands, are emitted the nanometer laser of multiple wave bands, this is to letter
Integrated development is ceased to be of great significance.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within be also intended to include these modifications and variations.
Claims (6)
1. a kind of structure for generating multiple surface lattice resonance, which is characterized in that multiple described including multiple phasmon molecules
Phasmon molecular ordered arrangement at array architecture, the phasmon molecule is made of nanogold or nano silver cellular construction
Condensate.
2. the structure according to claim 1 for generating multiple surface lattice resonance, which is characterized in that the cellular construction is
Nanometer plate, nanometer rods, nanometer triangle or nano-rings.
3. the structure according to claim 1 for generating multiple surface lattice resonance, which is characterized in that the condensate is three
Aggressiveness, the tetramer or pentamer.
4. the structure according to claim 3 for generating multiple surface lattice resonance, which is characterized in that the condensate is symmetrical
Property belongs to Dnh、Dnd、Dn、Cnh、CnvOr CnPoint group, the integer that wherein n is >=2.
5. a kind of generate the structure of multiple surface lattice resonance in surface phasmon as Claims 1 to 4 is described in any item
Application in terms of chip of laser.
6. a kind of surface phasmon chip of laser, including substrate, which is characterized in that arrangement is wanted just like right in the substrate
Seek 1~4 described in any item structures for generating multiple surface lattice resonance.
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| CN201910726541.5A CN110412668B (en) | 2019-08-07 | 2019-08-07 | Structure for generating multiple surface lattice resonance and application thereof |
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| CN201910726541.5A CN110412668B (en) | 2019-08-07 | 2019-08-07 | Structure for generating multiple surface lattice resonance and application thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110824603A (en) * | 2019-11-11 | 2020-02-21 | 中国科学院上海技术物理研究所 | Nano chiral optical antenna for directional radiation fluorescence and preparation method thereof |
| CN113049566A (en) * | 2021-02-05 | 2021-06-29 | 华南师范大学 | Substrate with surface enhanced Raman scattering far-field radiation and control method thereof |
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| CN110412668B (en) | 2021-10-19 |
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