KR101796058B1 - 광학체 - Google Patents
광학체 Download PDFInfo
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- KR101796058B1 KR101796058B1 KR1020127011665A KR20127011665A KR101796058B1 KR 101796058 B1 KR101796058 B1 KR 101796058B1 KR 1020127011665 A KR1020127011665 A KR 1020127011665A KR 20127011665 A KR20127011665 A KR 20127011665A KR 101796058 B1 KR101796058 B1 KR 101796058B1
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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
- 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
- G02F1/03—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 ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect
-
- 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
- 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
- G02F1/03—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 ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect
- G02F1/0305—Constructional arrangements
-
- 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
- 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
-
- 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
- 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
- G02F1/21—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 by interference
-
- 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
- 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
- G02F1/21—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 by interference
- G02F1/213—Fabry-Perot type
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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
- G02F2203/00—Function characteristic
- G02F2203/15—Function characteristic involving resonance effects, e.g. resonantly enhanced interaction
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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
- G02F2203/00—Function characteristic
- G02F2203/50—Phase-only modulation
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Power Engineering (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
Abstract
제1반사층(3)과 제2반사층(5) 사이에 PLZT 등으로 이루어지는 굴절률 가변층(8)과 가넷 등으로 이루어지는 자기광학재료층(9)을 병존시킨다. 직선편광광이 제1반사층(3)측으로 입사되면, 입사광은 자기광학재료층(9)과 간섭해서 우원편광광과 좌원편광광으로 변환된다. 양 빛에는 약간의 위상차가 있지만, 한쌍의 반사층(3, 5) 사이를 다중으로 반사할 때에 위상차가 증폭되고 또한 굴절률 가변층(8)의 제어된 굴절률에 따라 제어된다.
이렇게 그 위상차가 제어증폭 된 좌, 우원편광광을 자기광학재료층(9)에 다시 간섭시켜서 직선편광광으로 되돌리면, 그 위상차에 따라 편광면이 회전한다.
Description
도2는, 다른 실시형태의 광학체의 구조를 나타내는 모식도다.
도3은, 다른 실시형태의 광학체의 구조를 나타내는 모식도다.
도4는, 다른 실시형태의 광학체의 구조를 나타내는 모식도다.
도5는, 다른 실시형태의 광학체의 구조를 나타내는 모식도다.
도6은, 실시형태의 광변조장치의 구조를 나타내는 모식도다.
도7은, 다른 실시형태의 광변조장치의 구조를 나타내는 모식도다.
도8은, 실시예의 광학체의 구조를 나타내는 모식도다.
도9는, 도8의 실시예의 광학체의 광학특성(파장-회전각)을 나타내는 그래프다.
도10은, 도8의 실시예의 광학체의 다른 광학특성(파장-반사율)을 나타내는 그래프다.
도11은, 도8의 실시예의 광학체의 다른 광학특성(전압-회전각, 전압-위상)을 나타내는 그래프다.
도12는, 도8의 실시예의 광학체의 다른 광학특성(전압-반사율)을 나타내는 그래프다.
도13은, 다른 실시예의 광학체의 구조를 나타내는 모식도다.
도14는, 도13의 실시예의 광학체의 광학특성(전압-회전각)을 나타내는 그래프다.
도15는 도13의 실시예의 광학체의 다른 광학특성(전압-반사율)을 나타내는 그래프다.
도16은, 다른 실시예의 광학체의 구조를 나타내는 모식도다.
도17은, 도16의 실시예의 광학체의 광학특성(전압-위상차)을 나타내는 그래프다.
도18은, 도16의 실시예의 광학체의 다른 광학특성(전압-반사율)을 나타내는 그래프다.
3 : 하프미러층
5 : 전반사층
7 : 캐비티
8, 18 : 굴절률 가변층
9 : 자기광학재료층
15 : 커효과발현층
42, 43 : 투광성 전극
53 : 반도체 기능층
54 : 전원선
57 : 기판
63 : 광입사 디바이스
65 : 출사광 처리 디바이스
Claims (16)
- 반사층(反射層)으로 이루어지는 제1층 및 제2층, 및 광기능층(光機能層)을 구비하고, 상기 각 층은 적층체로서 상기 광기능층의 양단에 상기 제1층 및 제2층을 적층하여 이루어지고, 상기 제1층으로 입사(入射)한 빛을 변조해서 그 강도를 유지한 상태에서 상기 제1층으로부터 출사(出射)하는 광학체(光學體)로서,
상기 광기능층으로서 굴절률 가변층(屈折率可變層)과 자기광학재료층(磁氣光學材料層)을 포함하고,
상기 굴절률 가변층은 상기 제1층과 상기 제2층 사이에 위치하고,
상기 자기광학재료층은 패러데이 효과(Faraday's 效果)를 발생시키고, 상기 굴절률 가변층으로부터 보아서 상기 제2층과 반대측에 위치하고,
상기 자기광학재료층도 상기 제1층과 상기 제2층의 사이에 배치되는
것을 특징으로 하는 광학체.
- 삭제
- 제1항에 있어서,
상기 자기광학재료층은 상기 제1층의 광입사면(光入射面)측에 배치되는
것을 특징으로 하는 광학체.
- 제1항에 있어서,
상기 굴절률 가변층의 굴절률을 제어하는 굴절률 제어수단이 더 구비되는
것을 특징으로 하는 광학체.
- 제4항에 있어서,
상기 굴절률 가변층은 전계(電界)에 의하여 그 굴절률이 변화되는 전기광학재료(電氣光學材料)로 이루어지고, 상기 굴절률 제어수단은 상기 굴절률 가변층에 부여하는 전계를 제어하는
것을 특징으로 하는 광학체.
- 제5항에 있어서,
상기 굴절률 제어수단은 상기 굴절률 가변층을 에워싸는 한쌍의 투광성 전극(透光性 電極)으로 이루어지는
것을 특징으로 하는 광학체.
- 제1항, 제3항 내지 제6항 중의 어느 한 항에 있어서,
상기 자기광학재료층은 강자성체 재료(强磁性體材料)로 이루어지는
것을 특징으로 하는 광학체.
- 제1항, 제3항 내지 제6항 중의 어느 한 항에 있어서,
상기 자기광학재료층은 TAG 또는 TGG인
것을 특징으로 하는 광학체.
- 제1항에 있어서,
상기 자기광학재료층은 상기 제1층과 대향하고, 상기 굴절률 가변층은 상기 제2층과 대향하고, 상기 자기광학재료층과 상기 굴절률 가변층 사이 및 상기 굴절률 가변층과 상기 제2층 사이에 투광성 전극층이 삽입되고, 상기 굴절률 가변층은 전계에 의하여 그 굴절률이 변화되는 재료로 이루어지는
것을 특징으로 하는 광학체.
- 제9항에 있어서,
상기 제1층이 투광성의 기판의 일면(一面)에 적층되는
것을 특징으로 하는 광학체.
- 제10항의 광학체와,
상기 제2층의 위에 적층되고, 상기 한쌍의 투광성 전극에 인가하는 전위를 제어하는 반도체 기능층(半導體機能層)을
구비하는 것을 특징으로 하는 광변조장치(光變調裝置).
- 제11항에 있어서,
상기 광학체의 기판과 대향하는 광입사 디바이스 및 출사광 처리 디바이스가 구비되는 것을 특징으로 하는 광변조장치. - 삭제
- 삭제
- 삭제
- 삭제
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EP (1) | EP2487525B1 (ko) |
JP (1) | JP5700687B2 (ko) |
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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 |
JP6108398B2 (ja) * | 2011-06-20 | 2017-04-05 | 国立大学法人豊橋技術科学大学 | 光変調システムの制御方法、光変調システム及びそれに用いる光学体 |
EP3282305B1 (en) * | 2016-08-10 | 2020-05-06 | Samsung Electronics Co., Ltd. | Optical modulator using phase change material and device including the same |
KR102384230B1 (ko) * | 2017-10-12 | 2022-04-07 | 삼성전자주식회사 | 가변 레이저 소자 |
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JP2002311402A (ja) * | 2001-04-11 | 2002-10-23 | Minebea Co Ltd | ファラデー回転子 |
US20040008397A1 (en) * | 2002-05-10 | 2004-01-15 | Corporation For National Research Initiatives | Electro-optic phase-only spatial light modulator |
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US3392353A (en) * | 1964-06-11 | 1968-07-09 | Bell Telephone Labor Inc | Maser intracavity phase modulator |
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FR2811139B1 (fr) * | 2000-06-29 | 2003-10-17 | Centre Nat Rech Scient | Dispositif optoelectronique a filtrage de longueur d'onde integre |
JP2005003806A (ja) * | 2003-06-10 | 2005-01-06 | Sun Tec Kk | 光学素子、波長可変光フィルタおよび光アドドロップモジュール |
EP1840632A4 (en) * | 2005-01-20 | 2009-01-28 | Rohm Co Ltd | OPTICAL CONTROL DEVICE WITH LIGHT MODULATION FILM |
JP2006201472A (ja) | 2005-01-20 | 2006-08-03 | Rohm Co Ltd | 光制御装置 |
JP5147050B2 (ja) | 2007-10-30 | 2013-02-20 | Fdk株式会社 | 磁気光学素子 |
US8351117B2 (en) * | 2008-12-08 | 2013-01-08 | Gao Peiliang | Optical isolator, shutter, variable optical attenuator and modulator device |
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- 2010-10-04 EP EP10821979.1A patent/EP2487525B1/en not_active Not-in-force
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- 2010-10-04 WO PCT/JP2010/067393 patent/WO2011043309A1/ja active Application Filing
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JP2002311402A (ja) * | 2001-04-11 | 2002-10-23 | Minebea Co Ltd | ファラデー回転子 |
US20040008397A1 (en) * | 2002-05-10 | 2004-01-15 | Corporation For National Research Initiatives | Electro-optic phase-only spatial light modulator |
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EP2487525A1 (en) | 2012-08-15 |
KR20120091186A (ko) | 2012-08-17 |
US20120218619A1 (en) | 2012-08-30 |
EP2487525B1 (en) | 2019-09-18 |
EP2487525A4 (en) | 2015-08-19 |
TW201140192A (en) | 2011-11-16 |
JPWO2011043309A1 (ja) | 2013-03-04 |
JP5700687B2 (ja) | 2015-04-15 |
TWI542921B (zh) | 2016-07-21 |
WO2011043309A1 (ja) | 2011-04-14 |
US9841619B2 (en) | 2017-12-12 |
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