KR970706628A - 양자 도트가 있는 광섬유(optical fibre with quantum dots) - Google Patents

양자 도트가 있는 광섬유(optical fibre with quantum dots)

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Publication number
KR970706628A
KR970706628A KR1019970701908A KR19970701908A KR970706628A KR 970706628 A KR970706628 A KR 970706628A KR 1019970701908 A KR1019970701908 A KR 1019970701908A KR 19970701908 A KR19970701908 A KR 19970701908A KR 970706628 A KR970706628 A KR 970706628A
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optical fiber
fiber according
quantum dots
colloid
dot
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KR1019970701908A
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English (en)
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마이클 그래험 버트
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로버츠 사이먼 크리스토퍼
브리티쉬 텔리커뮤니케이션즈 퍼블릭 리미티드 캄파니
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Publication of KR970706628A publication Critical patent/KR970706628A/ko

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    • 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
    • H01S5/32—Structure or shape of the active region; Materials used for the active region comprising PN junctions, e.g. hetero- or double- heterostructures
    • 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
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/032—Optical fibres with cladding with or without a coating with non solid core or cladding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y10/00—Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
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    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y20/00—Nanooptics, e.g. quantum optics or photonic crystals
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    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C13/00—Fibre or filament compositions
    • C03C13/04—Fibre optics, e.g. core and clad fibre compositions
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    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
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    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C14/00—Glass compositions containing a non-glass component, e.g. compositions containing fibres, filaments, whiskers, platelets, or the like, dispersed in a glass matrix
    • C03C14/006—Glass compositions containing a non-glass component, e.g. compositions containing fibres, filaments, whiskers, platelets, or the like, dispersed in a glass matrix the non-glass component being in the form of microcrystallites, e.g. of optically or electrically active material
    • 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
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/0229—Optical fibres with cladding with or without a coating characterised by nanostructures, i.e. structures of size less than 100 nm, e.g. quantum dots
    • 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
    • G02B6/1225—Basic optical elements, e.g. light-guiding paths comprising photonic band-gap structures or photonic lattices
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    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/35—Non-linear optics
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    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
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    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/06—Construction or shape of active medium
    • H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
    • H01S3/067—Fibre lasers
    • H01S3/06708—Constructional details of the fibre, e.g. compositions, cross-section, shape or tapering
    • H—ELECTRICITY
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    • H01S5/00—Semiconductor lasers
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    • H01S5/34—Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers
    • 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
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    • G02B6/02295—Microstructured optical fibre
    • G02B6/02314—Plurality of longitudinal structures extending along optical fibre axis, e.g. holes
    • G02B6/02385—Comprising liquid, e.g. fluid filled holes
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
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    • G02F1/015—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on semiconductor elements with at least one potential jump barrier, e.g. PN, PIN junction
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    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/14—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range characterised by the material used as the active medium
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    • 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
    • H01S5/34—Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers
    • H01S5/341—Structures having reduced dimensionality, e.g. quantum wires
    • H01S5/3412—Structures having reduced dimensionality, e.g. quantum wires quantum box or quantum dash
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Abstract

중심 통로(2)로 된 관 모양의 유리 클래딩(1)으로 구성되어 있고, 지지물질(3)에 양자 도트(4)의 콜로이드성 용액이 채워저 있는 광섬유로서, 상기 양자 도트는 입력 광 방사선에 응답하여 발광하게 될 수 있는데, 예를들어 광 증폭기 또는 레이져 방사를 할 수 있다. 콜로이드성 용액으로 구성된 능동 물질로 이루어진 도파관도 청구하고 있다.

Description

양자 도트가 있는 광섬유(OPTICAL FIBRE WITH QUANTUM DOTS)
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 따른 광섬유의 개략적 투시도, 제2도는 제1도의 상기 광섬유의 횡단면도, 제3도는 제1도의 상기 광섬유를 만드는 방법; 및 제4도는 광 증폭기에서 사용되는 상기 광섬유의 설명도이다.

Claims (25)

  1. 내부가 양자 도트(3,4)의 콜로이드로 특징되는 빛 가이드 영역을 갖는 것을 특징으로 하는 광섬유.
  2. 제1항에 있어서, 상기 양자 도트(4)의 물질이 Ⅲ-V,Ⅱ-Ⅵ 또는 I-Ⅶ 물질 또는 그들의 혼합물인 것을 특징으로 하는 광섬유.
  3. 제1항 또는 제2항에 있어서, 상기 양자 도트(4)의 물질이 Cds, CdSe, PbS, ZnS, ZnO, TiO2, AgI, AgBr, HgI2, PbSe, ZnTe, CdTe, In2S3, In2Se3, Cd3P2, Cd3As2및 GaAs 중에서 선택되는 것을 특징으로 하는 광섬유.
  4. 제1항 내지 제3항 중 어느 한 항에 있어서, 상기 도트는 1-50nm의 지름 범위를 갖는 것을 특징으로 하는 광섬유.
  5. 제1항 내지 제4항 중 어느 한 항에 있어서, 상기 도트는 1-20nm의 지름 범위를 갖는 것을 특징으로 하는 광섬유.
  6. 제1항 내지 제5항 중 어느 한 항에 있어서, 상기 양자 도트가 1.3-2.0nm의 지름 범위를 갖는 것을 특징으로 하는 광섬유.
  7. 제1항에 있어서, 상기 양자 도트가 5-10nm의 지름 범위를 갖고 Pbs 물질로 형성되는 것을 특징으로 하는 광섬유.
  8. 제1항 내지 제7항 중 어느 한 항에 있어서, 상기 콜로이드는 상기 도트가 확산되어 있는 비-유리 지지물질을 포함하는 것을 특징으로 하는 광섬유.
  9. 제9항에 있어서, 상기 지지물질은 유기질 액체로 구성되는 것을 특징으로 하는 광섬유.
  10. 제1항 내지 제9항 중 어느 한 항에 있어서, 상기 지지물질이 디클로로벤젠, 톨루엔, 벤젠, 니트로벤젠, 피리딘 또는 4염 화탄소 중에서 선택되는 것을 특징으로 하는 광섬유.
  11. 제1항 내지 제10항 중 어느 한 항에 있어서, 상기 양자 도트는 제2다른 반도체 물질로 코우팅된 제1반도체 물질로부터 형성되는 것을 특징으로 하는 광섬유.
  12. 제1항 내지 제11항 중 어느 한 항에 있어서, 광 증폭기가 결합된 것을 특징으로 하는 광섬유.
  13. 제1항 내지 제12항 중 어느 한 항에 있어서, 상기 광섬유를 광학적으로 펌프하는 펌핑수단(11), 및 상기 광섬유로 증폭될 입력신호를 인가하는 입력수단(10)을 포함하는 것을 특징으로 하는 광섬유.
  14. 제1항 내지 제13항 중 어느 한 항에 있어서, 도파관 변환기로 동작하는 것을 특징으로 하는 광섬유.
  15. 제1항 내지 제14항 중 어느 한 항에 있어서, 코어 및 클래딩(1)를 포함하고 상기 양자 도트(3,4)의 콜로이드가 적어도 상기 코어의 일부분을 형성하는 것을 특징으로 하는 광섬유.
  16. 제15항에 있어서, 상기 클래딩이 유리로 만들어진 것을 특징으로 하는 광섬유.
  17. 제15항에 있어서, 상기 클래딩이 관 모양을 하고 있으며, 상기 콜로이드로 채워진 통로(2)를 포함하는 것을 특징으로 하는 광섬유.
  18. 제16항 또는 제17항에 따른 광섬유를 만드는 방법에 있어서, 상기 양자 도트의 콜로이드를 모세관 작용에 의해 적어도 일부분에서 상기 통로로 들어가게 하는 것을 포함하는 것을 특징으로 하는 방법.
  19. 제18항에 있어서, 상기 광섬유의 한 쪽 끝으로 네가티브 압력을 가하여 상기 콜로이드를 내부로 끄는 것을 돕는 것을 특징으로 하는 방법.
  20. 제1항 내지 제17항에 따른 광섬유를 만드는 방법에 있어서, 상기 양자 도트를 초기에 소금용액에서 침전시켜 형성하는 것을 특징으로 하는 방법.
  21. 제20항에 있어서, 상기 침전된 도트를 건조시킨 다음 상기 지지물질내로 확산시키는 것을 특징으로 하는 방법.
  22. 양자 도트(4)의 콜로이드를 구비하는 광 능동 구성요소를 포함하는 것을 특징으로 하는 도파관.
  23. 제21항에 있어서, 레이져 공진 공동을 포함하는 것을 특징으로 하는 도파관.
  24. 제21항 또는 제22항에 있어서, 상기 양자 도트의 콜로이드를 포함하는 기질내에 채널을 포함하는 것을 특징으로 하는 도파관.
  25. 양자 도트의 콜로이드에 의해 내부가 특징되는 것을 특징으로 하는 광섬유
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019970701908A 1994-09-29 1995-09-29 양자 도트가 있는 광섬유(optical fibre with quantum dots) KR970706628A (ko)

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EP94307113 1994-09-29
EP94307113.4 1994-09-29
PCT/GB1995/002322 WO1996010282A1 (en) 1994-09-29 1995-09-29 Optical fibre with quantum dots

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