KR20180006266A - 120도 벤딩을 갖는 2차원 광 결정 기반의 소형 광 스위치 - Google Patents
120도 벤딩을 갖는 2차원 광 결정 기반의 소형 광 스위치 Download PDFInfo
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- KR20180006266A KR20180006266A KR1020167035538A KR20167035538A KR20180006266A KR 20180006266 A KR20180006266 A KR 20180006266A KR 1020167035538 A KR1020167035538 A KR 1020167035538A KR 20167035538 A KR20167035538 A KR 20167035538A KR 20180006266 A KR20180006266 A KR 20180006266A
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- 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
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- G02F1/31—Digital deflection, i.e. optical switching
- G02F1/313—Digital deflection, i.e. optical switching in an optical waveguide structure
- G02F1/3132—Digital deflection, i.e. optical switching in an optical waveguide structure of directional coupler type
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- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
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- G02B6/26—Optical coupling means
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- 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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- G02F1/01—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
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- 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
- G02F1/01—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
- G02F1/09—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 magneto-optical elements, e.g. exhibiting Faraday effect
- G02F1/095—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 magneto-optical elements, e.g. exhibiting Faraday effect in an optical waveguide structure
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- G—PHYSICS
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- 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
- G02F1/29—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 position or the direction of light beams, i.e. deflection
- G02F1/31—Digital deflection, i.e. optical switching
- G02F1/313—Digital deflection, i.e. optical switching in an optical waveguide structure
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- 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
- G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
- G02F2201/06—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 integrated waveguide
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- G—PHYSICS
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- 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
- G02F2202/00—Materials and properties
- G02F2202/32—Photonic crystals
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Abstract
Description
도 2a 및 도 2b는 고유벡터들 V1 및 V2를 각각 나타내며, 공진 주파수 ω0를 갖고, 비자기화된 공진기에서 존재하는 6 다이폴 모드들 2가지에 관련된 것이다. 도 2c는 반대 방향으로 회전하고 같은 공진 주파수 ω0를 갖는, 비자기화된 공진기의 V+ 모드 및 V- 모드를 제시한다. 도 2d는, 각각, 공진 주파수ω+ 및 ω- 를 갖고 반대 방향으로 회전하는, 자기화된 공진기의 Vm + 모드 및 Vm - 모드를 나타낸다.
도 3은 온(on) 상태에서 작동하는 장치의 평면도를 나타낸다. 상기 장치가 기초하는 광 결정과, 직선의 (각각, 입력 및 출력) 도파관(301, 302)들과, 상기 다이폴 모드들이 여기된 공진 공동, 및 정규화된 중심 주파수 ωa/2πc = 0.30235에서, 입력부로부터 출력부로 전송된, 전자기 신호의 Hz 성분이 도시되어 있다. 여기서, ω(rad/s(radians per second))는 각 주파수이고, a(m) 는 광 결정의 격자 상수이며, c는 자유 공간에서의 빛의 속도이다(대략, 300,000,000 m/s와 같다).
도 4는 오프(off) 상태에서 작동하는 장치의 평면도를 나타낸다. 상기 공진 공동이 삽입된 광 결정과, 도파관(401(입력부), 402(출력부))들이 도시되어 있을 뿐 아니라, 정규화된 중심 주파수 ωa/2πc = 0.30235에서, 상기 입력부로 다시 반사되는, 전자기 신호의 Hz 성분이 도시되어있다.
도 5는 온(on) 상태와 오프(off) 상태에서 작동하는 스위치의 투과 곡선(transmission curve)들을 나타낸다.
Claims (4)
- 광자기 물질에 하나의 공진 공동과 2개의 도파관을 배향시키면서, 제어된 방식으로, 디펙트들이 삽입된 2차원 광 결정에 기초하고,
적용된 외부 DC 자기장의 적용에 따라 전자기 신호의 통과를 차단하거나 허용하면서, 광 통신 채널을 따라서 전자기 신호의 흐름을 제어하는 것을 특징으로 하는 120도 벤딩을 갖는 2차원 광 결정에 기초한 소형 광 스위치.
- 제 1 항에 있어서,
집적된 광 시스템들의 개발에 있어 더 큰 유연성을 제공하면서, 온(on) 상태에서 120도 각도까지의 전자기 신호의 전파 방향이 변화하게 하는 것을 특징으로 하는 120도 벤딩을 갖는 2차원 광 결정에 기초한 소형 광 스위치.
- 제 1 항 또는 제 2 항에 있어서,
(비자기화된 경우의) 오프(off) 상태에서는, 그 노드들이 출력 도파관과 정렬된 정지된 다이폴 모드들로 작동하고,
(자기화된 경우의) 온(on) 상태에서는, 회전하는 다이폴 모드들로 작동하는 것을 특징으로 하는 120도 벤딩을 갖는 2차원 광 결정에 기초한 소형 광 스위치.
- 제 1 항 내지 제 3 항 중 어느 한 항에 있어서,
정규화된 중심 주파수 ωa/2πc = 0.30235 에서, (온(on) 상태에서 투과 계수인) 삽입 손실은 -1.5 dB과 같고, (오프(off) 상태에서 투과 계수인) 입력 포트와 출력 포트 사이의 아이솔레이션은 -53 dB과 같으며,
상기 작동 대역폭은, 각각, 삽입 손실 곡선과 아이솔레이션 곡선의 -2 dB 레벨과 -15 dB 레벨을 고려하면, 146 GHz과 같은 것을 특징으로 하는 120도 벤딩을 갖는 2차원 광 결정에 기초한 소형 광 스위치.
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KR1020247038350A KR20240169128A (ko) | 2014-05-22 | 2015-06-08 | 120도 벤딩을 갖는 2차원 광 결정 기반의 소형 광 스위치 |
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BR102014016549-5A BR102014016549B1 (pt) | 2014-05-22 | 2014-05-22 | Chave óptica compacta baseada em um cristal fotônico bidimensional com dobramento de 120 graus |
PCT/BR2015/050061 WO2015176150A1 (pt) | 2014-05-22 | 2015-05-22 | Chave óptica compacta baseada em um cristal fotônico bidimensional com dobramento de 120 graus |
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KR1020167035538A Ceased KR20180006266A (ko) | 2014-05-22 | 2015-06-08 | 120도 벤딩을 갖는 2차원 광 결정 기반의 소형 광 스위치 |
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US (1) | US10331009B2 (ko) |
JP (1) | JP6716543B2 (ko) |
KR (2) | KR20240169128A (ko) |
BR (1) | BR102014016549B1 (ko) |
WO (1) | WO2015176150A1 (ko) |
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BR102014016547B1 (pt) * | 2014-05-22 | 2022-05-31 | Universidade Federal Do Pará | Chave óptica compacta baseada em um cristal fotônico bidimensional com dobramento de 60 graus |
BR102014025075B1 (pt) * | 2014-10-06 | 2021-01-12 | Universidade Federal Do Para | dispositivo óptico multifuncional baseado em um cristal fotônico bidimensional e em um ressoador magneto-óptico |
US11042056B2 (en) | 2019-03-26 | 2021-06-22 | United States Of America As Represented By The Secretary Of The Air Force | Photonic crystal-enabled display stitching |
US11143860B1 (en) | 2019-04-29 | 2021-10-12 | United States Of America As Represented By The Secretary Of The Air Force | Photonic crystal-based optical steering |
US11372134B2 (en) | 2019-06-04 | 2022-06-28 | United States Of America As Represented By The Secretary Of The Air Force | Peel-and-adhere photonic crystal |
US11353627B2 (en) | 2019-07-31 | 2022-06-07 | United States Of America As Represented By The Secretary Of The Air Force | Compact star tracker with photonic crystal pointing |
US11782264B1 (en) | 2019-10-01 | 2023-10-10 | United States Of America As Represented By The Secretary Of The Air Force | Optical flight motion simulator target axes |
US11640043B2 (en) | 2021-01-07 | 2023-05-02 | United States Of America As Represented By The Secretary Of The Air Force | Optical focus control based on Risley-like elements |
US11718029B2 (en) | 2021-01-07 | 2023-08-08 | United States Of America As Represented By The Secretary Of The Air Force | Three-dimensional printer resin curing system using Risley prisms |
CN114921715B (zh) * | 2022-04-25 | 2023-03-21 | 华南理工大学 | 一种实现任意形状微波拓扑环形腔的方法 |
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JP2002303836A (ja) | 2001-04-04 | 2002-10-18 | Nec Corp | フォトニック結晶構造を有する光スイッチ |
JP2003215646A (ja) | 2002-01-21 | 2003-07-30 | Matsushita Electric Works Ltd | 光スイッチ |
JP3721181B2 (ja) * | 2003-08-29 | 2005-11-30 | 独立行政法人科学技術振興機構 | 電磁波周波数フィルタ |
JP2006184618A (ja) | 2004-12-28 | 2006-07-13 | Kyoto Univ | 2次元フォトニック結晶及びそれを用いた光機能素子 |
US20080267557A1 (en) * | 2005-12-29 | 2008-10-30 | Zheng Wang | Integrated Magneto-Optical Devices for Uni-Directional Optical Resonator Systems |
CN101571657B (zh) | 2009-06-10 | 2010-09-01 | 南京邮电大学 | 一种光子晶体全光开关 |
CN101788727B (zh) * | 2009-12-14 | 2011-11-09 | 深圳大学 | 基于磁光腔耦合的光子晶体四端口环行器 |
CN101726873B (zh) * | 2009-12-14 | 2012-08-08 | 深圳大学 | 光子晶体三端口环行器 |
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US20170123288A1 (en) | 2017-05-04 |
KR20240169128A (ko) | 2024-12-02 |
WO2015176150A1 (pt) | 2015-11-26 |
BR102014016549B1 (pt) | 2021-10-13 |
JP6716543B2 (ja) | 2020-07-08 |
US10331009B2 (en) | 2019-06-25 |
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JP2017531815A (ja) | 2017-10-26 |
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