CN105372756A - Optical-gain gold nanowire-enhanced surface plasmon transmission device - Google Patents
Optical-gain gold nanowire-enhanced surface plasmon transmission device Download PDFInfo
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- CN105372756A CN105372756A CN201510826322.6A CN201510826322A CN105372756A CN 105372756 A CN105372756 A CN 105372756A CN 201510826322 A CN201510826322 A CN 201510826322A CN 105372756 A CN105372756 A CN 105372756A
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
- G02B6/107—Subwavelength-diameter waveguides, e.g. nanowires
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/008—Surface plasmon devices
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
- G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
- G02B6/122—Basic optical elements, e.g. light-guiding paths
Abstract
The invention discloses an optical-gain gold nanowire-enhanced surface plasmon transmission device. The optical-gain gold nanowire-enhanced surface plasmon transmission device is characterized in that the optical-gain gold nanowire-enhanced surface plasmon transmission device includes a base layer, an L-shaped glass layer, a dye layer and a Au nanowire array waveguide layer which are sequentially in stack connection with one another; the outer end surface of the L-shaped long edge of the glass layer is in stack connection with the dye layer; the inner end surface of the L-shaped long edge of the glass layer is in stack connection with the base layer; and the Au nanowire array waveguide layer is of an Au nanowire array waveguide structure. The device is advantages in greater bandwidth in visible light frequency nanoscale data transmission and strong constraint mode, and can realize SPP gain compensation.
Description
Technical field
The present invention relates to technical field of photo communication, specifically a kind of nanowires of gold of optical gain strengthens the transmission device of surface plasma.
Background technology
Surface plasma excimer (Surfaceplasmonpolariton, be called for short SPP) be by change metal surface sub-wavelength structure realize a kind of light wave and transportable surface charge between electromagnet mode, the surface plasma-wave that metal and medium interface transmit can be supported, thus transmission light energy, and not by the restriction of diffraction limit.Just because of the character of this uniqueness of SPP, make it handle luminous energy in nanometer scale and play an important role.Especially the metallic channel SPP waveguide proposed at " Novelsurfaceplasmonwaveguideforhighintegrations " one literary composition is cooperated with Zhejiang University and KTH of Sweden A Erfen laboratory seminar, the waveguiding structure of design can realize the light field restriction of sub-wavelength magnitude, and loss is only 4dB/ μm.Although but researchist achieves magnitude light field being tied to tens nanometers, the waveguide device loss of design is still very large, cannot reach the requirement of large-scale application.
It is civilian that " NaturePhotonics " in 2010,4 volumes the 6th phase 382-387 page has published " Amplificationoflong-rangesurfaceplasmonsbyadipolargainme dium ", DeLeon and Berini reports and adopt slab waveguide structure to realize SPP lossless propagation loss balancing.Although this structure can realize optical gain and SPP strengthens, research at present finds that the SPP localization advantage of slab waveguide is more weak, and this reduces the advantage of SPP sub-wavelength elements to a certain extent.Obviously realize SPP propagate in loss-compensations and local effect enhancing be the primary goal of SPP sub-wavelength elements to practical transformation.
By retrieving and looking into new discovery, mostly adopt slab waveguide structure and metallic film to strengthen SPP local effect at present, but these structure localization effects still cannot reach the integrated requirement of optoelectronic device, and distance light travels is limited.
Summary of the invention
The object of the invention is for the deficiencies in the prior art, and provide a kind of nanowires of gold of optical gain to strengthen the transmission device of surface plasma.This device can possess strong mode constraint in the visible frequency nano-grade superiority bandwidth that reportedly defeated middle realization is larger, can realize SPP gain compensation.
The technical scheme realizing the object of the invention is:
A kind of nanowires of gold of optical gain strengthens the transmission device of surface plasma, comprise basalis, L shape glassy layer, dye coating, Au nano-wire array ducting layer that order is spliced, wherein the outer face on the long limit of glassy layer L shape and dye coating splice, and inner face and the basalis on the long limit of L shape splice.
Described basalis is silicon oxide base layer.
Described Au nano-wire array ducting layer is Au nano-wire array waveguiding structure.With the design of array structure, the strong localization feature of SPP can be improved.
Described dye coating adopts polymethylmethacrylate (PMMA), is deposited on glass substrate surface by the method for electrophoresis.
Described glassy layer is high-transmission rate BK7 glass.
Described Au nano wire adopts liquid crystal templating method preparation.
Described silicon oxide base layer can stop most SPP propagate in reflected light and refract light, reduce SPP propagation loss.
By the incident glassy layer of the laser of He-Ne laser emitting wavelength 632nm to NW(nanowire, nano wire) one end realize SPP laser, the Argon ion laser of 488nm carries out the irradiation of wide region to Au nano wire centre position, photon and SPP Conversion of Energy is realized in the other end of Au nano-wire array, do not mate because symmetry overcomes momentum, can significantly strengthen emergent light power like this, realize output signal strength recruitment by control both optical gain dye strength.
This device adopts classical Kretschmann structure to excite SPP, have employed Au nano wire in sub-wavelength optical elements and realize SPP propagation, the strong local effect of SPP is further enhancing by pump light, have employed dyestuff gain and increase SPP propagation distance, achieve under the sub-wavelength dimensions without the need to sacrificing waveguide and improve SPP propagation distance, this kind of device can provide Primary Component for SPP applies in Novel photonic devices, wideband communication system, small photon circuit, optoelectronic intagration etc.
This device can possess strong mode constraint in the visible frequency nano-grade superiority bandwidth that reportedly defeated middle realization is larger, can realize SPP gain compensation.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment.
In figure, 1.He-Ne laser instrument 2. Argon ion laser 3.Au nano-wire array ducting layer 4. dye coating 5. glassy layer 6. basalis.
Embodiment
Below in conjunction with drawings and Examples, content of the present invention is further elaborated, but is not limitation of the invention.
Embodiment:
With reference to Fig. 1, a kind of nanowires of gold of optical gain strengthens the transmission device of surface plasma, comprise basalis 6, L shape glassy layer 5, dye coating 4, Au nano-wire array ducting layer 3 that order is spliced, wherein the outer face on the long limit of glassy layer 5L shape and dye coating 4 splice, and inner face and the basalis 6 on the long limit of L shape splice.
Basalis 6 is silicon oxide base layer.Silicon oxide base layer can stop most SPP propagate in reflected light and refract light, reduce SPP propagation loss.
Au nano-wire array ducting layer 3 is Au nano-wire array waveguiding structure.With the design of array structure, the strong localization feature of SPP can be improved.Au nano wire adopts liquid crystal templating method preparation.
Dye coating 4 adopts polymethylmethacrylate (PMMA), is deposited on glass substrate surface by the method for electrophoresis.
L shape glassy layer 5 is high-transmission rate BK7 glass.
By the incident glassy layer 5 of the laser of He-Ne laser instrument 1 outgoing wavelength 632nm to NW(nanowire, nano wire) one end realize SPP laser, the pump light of Argon ion laser 2 couples of Au nano wire centre position outgoing 488nm of 488nm carries out the irradiation of wide region, photon and SPP Conversion of Energy is realized in the other end of Au nano-wire array, do not mate because symmetry overcomes momentum, can significantly strengthen emergent light power like this, realize output signal strength recruitment by control both optical gain dye strength.
This device adopts classical Kretschmann structure to excite SPP, have employed Au nano wire in sub-wavelength optical elements and realize SPP propagation, the strong local effect of SPP is further increased by pump light, have employed dyestuff gain and increase SPP propagation distance, achieve under the sub-wavelength dimensions without the need to sacrificing waveguide and improve SPP propagation distance.
Claims (2)
1. the nanowires of gold of an optical gain strengthens the transmission device of surface plasma, it is characterized in that, comprise basalis, L shape glassy layer, dye coating, Au nano-wire array ducting layer that order is spliced, wherein the outer face on the long limit of glassy layer L shape and dye coating splice, and inner face and the basalis on the long limit of L shape splice.
2. the nanowires of gold of optical gain according to claim 1 strengthens the transmission device of surface plasma, and it is characterized in that, described Au nano-wire array ducting layer is Au nano-wire array waveguiding structure.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105842784A (en) * | 2016-05-12 | 2016-08-10 | 广西师范大学 | Apparatus for controlling mutual effect between local SPP and conductive SPP through multilayer graphene |
| CN106918852A (en) * | 2017-04-11 | 2017-07-04 | 华南师范大学 | A kind of off-axis focussing plane lens of wide-angle |
| CN107037535A (en) * | 2017-05-24 | 2017-08-11 | 广西师范大学 | A kind of metal semiconductor double nano line style blending surface plasma wave guide structure |
| CN108445563A (en) * | 2018-04-10 | 2018-08-24 | 中国科学院上海技术物理研究所 | A kind of metal nano optical antenna being monolithically integrated on photodetector |
| CN108700705A (en) * | 2015-12-29 | 2018-10-23 | 生物辐射实验室股份有限公司 | Systems for optical inspection with Optical Sampling |
| CN109212640A (en) * | 2017-07-04 | 2019-01-15 | 中国科学院化学研究所 | Organic/metal nanometer line hetero-junctions of one kind and its preparation method and application |
| CN110007538A (en) * | 2019-04-24 | 2019-07-12 | 西安柯莱特信息科技有限公司 | A kind of electroluminescent surface phasmon light source of overheating protection |
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| US20070116420A1 (en) * | 2002-03-20 | 2007-05-24 | Estes Michael J | Surface Plasmon Devices |
| CN101821652A (en) * | 2007-10-15 | 2010-09-01 | 惠普发展公司，有限责任合伙企业 | Be used to strengthen the plasmon high speed device of the performance of microelectronic component |
| WO2012024793A1 (en) * | 2010-07-30 | 2012-03-01 | Quantum Solar Power Corp. | Apparatus for manipulating plasmons |
| CN102662210A (en) * | 2012-03-09 | 2012-09-12 | 中国科学院苏州纳米技术与纳米仿生研究所 | Plasma excimer gain waveguide |
| CN104614806A (en) * | 2015-01-19 | 2015-05-13 | 广西师范大学 | Glass-loaded asymmetric surface plasmon polariton spread device of SiO2-gold film-SiO2 waveguide structure |
| WO2015104555A2 (en) * | 2014-01-10 | 2015-07-16 | King's College London | Device and method |
| CN205193312U (en) * | 2015-11-25 | 2016-04-27 | 广西师范大学 | Surperficial plasma's of jenner's rice noodles reinforcing of optical gain propagation device |
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2015
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| US20070116420A1 (en) * | 2002-03-20 | 2007-05-24 | Estes Michael J | Surface Plasmon Devices |
| CN101821652A (en) * | 2007-10-15 | 2010-09-01 | 惠普发展公司，有限责任合伙企业 | Be used to strengthen the plasmon high speed device of the performance of microelectronic component |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108700705A (en) * | 2015-12-29 | 2018-10-23 | 生物辐射实验室股份有限公司 | Systems for optical inspection with Optical Sampling |
| CN108700705B (en) * | 2015-12-29 | 2021-01-08 | 生物辐射实验室股份有限公司 | Optical detection system with optical sampling |
| CN105842784B (en) * | 2016-05-12 | 2019-07-26 | 广西师范大学 | A kind of device of multi-layer graphene control local SPP and conduction SPP interaction |
| CN105842784A (en) * | 2016-05-12 | 2016-08-10 | 广西师范大学 | Apparatus for controlling mutual effect between local SPP and conductive SPP through multilayer graphene |
| CN106918852A (en) * | 2017-04-11 | 2017-07-04 | 华南师范大学 | A kind of off-axis focussing plane lens of wide-angle |
| CN106918852B (en) * | 2017-04-11 | 2019-02-01 | 华南师范大学 | A kind of off-axis focussing plane lens of wide-angle |
| CN107037535A (en) * | 2017-05-24 | 2017-08-11 | 广西师范大学 | A kind of metal semiconductor double nano line style blending surface plasma wave guide structure |
| CN107037535B (en) * | 2017-05-24 | 2023-02-28 | 广西师范大学 | Metal-semiconductor double-nanowire type mixed surface plasma waveguide structure |
| CN109212640B (en) * | 2017-07-04 | 2020-08-21 | 中国科学院化学研究所 | Organic/metal nanowire heterojunction and preparation method and application thereof |
| CN109212640A (en) * | 2017-07-04 | 2019-01-15 | 中国科学院化学研究所 | Organic/metal nanometer line hetero-junctions of one kind and its preparation method and application |
| CN108445563A (en) * | 2018-04-10 | 2018-08-24 | 中国科学院上海技术物理研究所 | A kind of metal nano optical antenna being monolithically integrated on photodetector |
| CN110007538A (en) * | 2019-04-24 | 2019-07-12 | 西安柯莱特信息科技有限公司 | A kind of electroluminescent surface phasmon light source of overheating protection |
| CN110007538B (en) * | 2019-04-24 | 2022-01-18 | 中国地质大学（武汉） | Overheat protection electroluminescent surface plasmon light source |
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