KR100687742B1 - 온도 무관 폴리머 광도파로열격자 소자 및 제조 방법 - Google Patents
온도 무관 폴리머 광도파로열격자 소자 및 제조 방법 Download PDFInfo
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- KR100687742B1 KR100687742B1 KR1020050047918A KR20050047918A KR100687742B1 KR 100687742 B1 KR100687742 B1 KR 100687742B1 KR 1020050047918 A KR1020050047918 A KR 1020050047918A KR 20050047918 A KR20050047918 A KR 20050047918A KR 100687742 B1 KR100687742 B1 KR 100687742B1
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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
- G02B6/1221—Basic optical elements, e.g. light-guiding paths made from organic materials
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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
- G02B6/12007—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 forming wavelength selective elements, e.g. multiplexer, demultiplexer
- G02B6/12009—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 forming wavelength selective elements, e.g. multiplexer, demultiplexer comprising arrayed waveguide grating [AWG] devices, i.e. with a phased array of waveguides
- G02B6/12011—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 forming wavelength selective elements, e.g. multiplexer, demultiplexer comprising arrayed waveguide grating [AWG] devices, i.e. with a phased array of waveguides characterised by the arrayed waveguides, e.g. comprising a filled groove in the array section
-
- 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
- G02B6/12007—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 forming wavelength selective elements, e.g. multiplexer, demultiplexer
- G02B6/12009—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 forming wavelength selective elements, e.g. multiplexer, demultiplexer comprising arrayed waveguide grating [AWG] devices, i.e. with a phased array of waveguides
- G02B6/12026—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 forming wavelength selective elements, e.g. multiplexer, demultiplexer comprising arrayed waveguide grating [AWG] devices, i.e. with a phased array of waveguides characterised by means for reducing the temperature dependence
- G02B6/1203—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 forming wavelength selective elements, e.g. multiplexer, demultiplexer comprising arrayed waveguide grating [AWG] devices, i.e. with a phased array of waveguides characterised by means for reducing the temperature dependence using mounting means, e.g. by using a combination of materials having different thermal expansion coefficients
-
- 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
- G02B2006/12133—Functions
- G02B2006/12164—Multiplexing; Demultiplexing
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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
- G02B2006/12166—Manufacturing methods
- G02B2006/12176—Etching
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- Microelectronics & Electronic Packaging (AREA)
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- Optics & Photonics (AREA)
- Optical Integrated Circuits (AREA)
Abstract
Description
Claims (12)
- 기판;상기 기판 상에 형성된 입력 광도파로;상기 기판 상에 상기 입력 광도파로에 대응되는 출력 광도파로;상기 입력 및 출력 광도파로들 사이의 상기 기판 상에 자유전파슬랩영역들을 각각 양단에 개재하여 도입되되 서로 다른 길이를 가지게 배열된 폴리머 격자채널광도파로들;상기 폴리머 격자채널광도파로들 하부에 상기 기판 표면의 선택적 식각에 의해 형성되어 온도 변화에 따라 상기 폴리머 격자채널광도파로들이 상기 기판으로부터 자유롭게 열팽창하도록 허용하여 상기 온도 변화에 따라 변화되는 상기 폴리머 격자채널광도파로들의 굴절률을 상쇄 보상하게 하는 다수의 빈도랑들의 배열; 및상기 폴리머 격자채널광도파로들이 상기 빈 도랑들 내에 유입되지 않게 상기 빈도랑들의 입구를 막아 상기 폴리머 격자채널광도파로들을 상기 기판 표면으로부터 이격시켜 지지하는 차폐층을 포함하는 것을 특징으로 하는 광도파로열격자 소자.
- 제1항에 있어서,상기 빈 도랑들은 상기 폴리머 격자채널광도파로들이 연장되는 방향을 따라 정렬 연장된 것을 특징으로 하는 광도파로열격자 소자.
- 제1항에 있어서,상기 빈 도랑들은 상기 폴리머 격자채널광도파로들 상호 간의 길이 차이에 비례하는 길이 차이를 상호 간에 가지게 정렬 연장된 것을 특징으로 하는 광도파로열격자 소자.
- 제1항에 있어서,상기 빈도랑들의 배열은 상기 폴리머 격자채널광도파로들이 정렬된 영역 내의 상기 폴리머 격자채널광도파로들이 상호 간에 길이 차이를 가지게 되는 부분의 영역에 부분적으로 배치된 것을 특징으로 하는 광도파로열격자 소자.
- 제1항에 있어서,상기 빈 도랑들은 하나의 상기 폴리머 격자채널광도파로 아래에 다수 개가 대응되게 정렬되어 상기 격자채널광도파로가 상기 빈 도랑들 사이의 상기 기판 부분 표면에 의해 지지되는 구조를 이루는 것을 특징으로 하는 광도파로열격자 소자.
- 제1항에 있어서,상기 차폐층은 드라이 필름(dry film)을 포함하는 것을 특징으로 하는 광도파로열격자 소자.
- 제1항에 있어서,상기 빈 도랑을 각각 채우되 상기 기판과 열팽창 계수가 다른 물질을 포함하여 상기 폴리머 격자채널광도파로들의 열팽창을 조절하는 필러(filler)를 더 포함하는 것을 특징으로 하는 광도파로열격자 소자.
- 제7항에 있어서,상기 필러는 상기 기판에 비해 열팽창 계수가 큰 폴리머(polymer)를 포함하는 것을 특징으로 하는 광도파로열격자 소자.
- 기판의 표면을 선택적으로 식각하여 폴리머 격자채널광도파로들 하부에 온도 변화에 따라 상기 폴리머 격자채널광도파로들이 상기 기판으로부터 자유롭게 열팽창하도록 허용하여 상기 온도 변화에 따라 변화되는 상기 폴리머 격자채널광도파로들의 굴절률을 상쇄 보상하게 하는 다수의 빈도랑들의 배열을 형성하는 단계;상기 폴리머 격자채널광도파로들이 상기 빈 도랑들 내에 유입되지 않게 상기 빈도랑들의 입구를 막아 상기 폴리머 격자채널광도파로들을 상기 기판 표면으로부터 이격시켜 지지하는 차폐층을 상기 빈도랑을 가리게 부착하는 단계; 및상기 기판 상에 입력 및 출력 광도파로들 사이에 자유전파슬랩영역들을 각각 양단에 개재하여 도입되되 서로 다른 길이를 가지게 배열된 폴리머 격자채널광도파로들을 형성하는 단계를 포함하는 것을 특징으로 하는 광도파로열격자 소자 제조 방법.
- 제9항에 있어서,상기 빈도랑들의 배열을 형성하는 단계는상기 폴리머 격자채널광도파로들이 연장되는 방향을 따라 정렬 연장되되 상기 폴리머 격자채널광도파로들 상호 간의 길이 차이에 비례하는 길이 차이를 상호 간에 가지게 상기 기판의 표면을 선택적으로 식각하는 단계를 포함하는 것을 특징으로 하는 광도파로열격자소자 제조 방법.
- 제9항에 있어서,상기 차폐층을 부착하는 단계 이전에상기 폴리머 격자채널광도파로들의 열팽창을 조절하기 위해 상기 기판과 열팽창 계수가 다른 물질로 상기 빈 도랑들을 각각 채우는 필러(filler)를 형성하는 단계를 더 포함하는 것을 특징으로 하는 광도파로열격자소자 제조 방법.
- 제9항에 있어서,상기 폴리머 격자채널광도파로들을 형성하는 단계는폴리머 하부 클래딩층을 형성하는 단계;상기 하부 클래딩층 상에 폴리머 코어를 형성하는 단계; 및상기 코어를 덮는 폴리머 상부 클래딩층을 형성하는 단계를 포함하는 것을 특징으로 하는 광도파로열격자소자 제조 방법.
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KR1020050047918A KR100687742B1 (ko) | 2005-06-03 | 2005-06-03 | 온도 무관 폴리머 광도파로열격자 소자 및 제조 방법 |
US11/361,204 US7248765B2 (en) | 2005-06-03 | 2006-02-23 | Temperature-insensitive polymeric optical AWG device and manufacturing method therefor |
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KR1020050047918A KR100687742B1 (ko) | 2005-06-03 | 2005-06-03 | 온도 무관 폴리머 광도파로열격자 소자 및 제조 방법 |
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KR100687742B1 true KR100687742B1 (ko) | 2007-02-27 |
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Also Published As
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US20060274995A1 (en) | 2006-12-07 |
KR20060126192A (ko) | 2006-12-07 |
US7248765B2 (en) | 2007-07-24 |
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