KR20140060547A - 집적 도파관 커플러 - Google Patents
집적 도파관 커플러 Download PDFInfo
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- KR20140060547A KR20140060547A KR1020147007894A KR20147007894A KR20140060547A KR 20140060547 A KR20140060547 A KR 20140060547A KR 1020147007894 A KR1020147007894 A KR 1020147007894A KR 20147007894 A KR20147007894 A KR 20147007894A KR 20140060547 A KR20140060547 A KR 20140060547A
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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
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
- G02B6/4206—Optical features
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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
- G02B6/12004—Combinations of two or more optical elements
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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
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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
- G02B6/14—Mode converters
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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
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
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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
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/2804—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
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- H—ELECTRICITY
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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
- H01S5/02—Structural details or components not essential to laser action
- H01S5/026—Monolithically integrated components, e.g. waveguides, monitoring photo-detectors, drivers
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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
- H01S5/3013—AIIIBV compounds
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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
- G02B2006/12035—Materials
- G02B2006/12061—Silicon
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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
- G02B2006/12083—Constructional arrangements
- G02B2006/12097—Ridge, rib or the like
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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
- G02B2006/12133—Functions
- G02B2006/12147—Coupler
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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
- G02B6/1223—Basic optical elements, e.g. light-guiding paths high refractive index type, i.e. high-contrast waveguides
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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
- G02B6/1228—Tapered waveguides, e.g. integrated spot-size transformers
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Abstract
Description
도 1b는 도 1a에 도시된 집적 도파관 커플러의 제1 영역의 단순화된 단면도이다.
도 1c는 도 1a에 도시된 집적 도파관 커플러의 제2 영역의 단순화된 단면도이다.
도 1d는 도 1a에 도시된 집적 도파관 커플러의 제3 영역의 단순화된 단면도이다.
도 1e는 도 1c에 도시된 집적 도파관 커플러의 단순화된 사시도이다.
도 2는 본 발명의 일 실시예에 의한 광학 활성(optically active) III-V 도파관 영역의 단순화된 단면도이다.
도 3a는 본 발명의 일 실시예에 의한 집적 도파관 커플러의 단순화된 평면도이다.
도 3b는 도 3a에 도시된 집적 도파관 커플러의 제1 영역의 단순화된 단면도이다.
도 3c는 도 3a에 도시된 집적 도파관 커플러의 제2 영역의 단순화된 단면도이다.
도 3d는 도 3a에 도시된 집적 도파관 커플러의 제3 영역의 단순화된 단면도이다.
도 4는 본 발명의 다른 실시예에 의한 집적 도파관 커플러의 단순화된 평면도이다.
도 5a는 본 발명의 일 실시예에 의한 III-V 도파관 영역에서의 모드 분포(mode distribution)를 도시한다.
도 5b는 본 발명의 일 실시예에 의한 SOI 도파관 영역과 도파관 커플러 영역에서의 모드 분포(mode distribution)를 도시한다.
도 6은 본 발명의 일 실시예에 의한 광학 디바이스에서의 광 강도를 도시한다. 도 6a는 본 발명의 일 실시예에 의한 광학 디바이스에서의 광 강도를 도시하는 측면도이다. 도 6b는 본 발명의 일 실시예에 의한 광학 디바이스에서의 광 강도를 도시하는 평면도이다.
도 7a 내지 도 7f는 본 발명의 일 실시예에 의한 집적 도파관 커플러의 제조에 관한 프로세스 플로우 개념도이다.
도 8은 본 발명의 일 실시예에 의한 집적 도파관 커플러를 제조하는 방법을 도시하는 단순화된 흐름도이다.
Claims (21)
- 집적 도파관 커플러에 있어서,
제1 도파관;
제2 도파관; 및
상기 제1 도파관과 상기 제2 도파관 사이에 배치된 연결 도파관을 포함하고,
상기 연결 도파관은 제1 굴절률을 갖는 제1 물질과 제2 굴절률을 갖는 제2 물질을 포함하고, 상기 제2 굴절률은 상기 제1 굴절률보다 높은,
집적 도파관 커플러.
- 제1항에 있어서,
상기 제1 도파관, 상기 제2 도파관 및 상기 연결 도파관에 대해 수직 방향으로 배치된 물질을 더 포함하고,
상기 물질은 상기 제1 도파관, 상기 제2 도파관 및 상기 연결 도파관의 유효 인덱스보다 더 낮은 굴절률을 갖는,
집적 도파관 커플러.
- 제2항에 있어서,
상기 물질은 패시베이션 산화물을 포함하는,
집적 도파관 커플러.
- 제1항에 있어서,
상기 제1 도파관의 유효 인덱스는 상기 제2 도파관의 유효 인덱스와 실질적으로 동일한,
집적 도파관 커플러.
- 제1항에 있어서,
상기 제1 도파관과 상기 제2 도파관은 길이 방향을 따라 연결되고 상기 연결 도파관은 상기 길이 방향을 따라 테이퍼링된 폭을 갖는,
집적 도파관 커플러.
- 도파관 커플러를 제조하는 방법에 있어서,
제1 도파관과 제2 도파관을 포함하는 기판을 제공하는 단계 - 상기 제1 도파관 및 상기 제2 도파관은 길이 방향을 따라 빛을 안내할 수 있고 바닥 표면을 갖는 갭에 의해 공간적으로 분리됨 -;
상기 갭에 제1 인덱스를 갖는 제1 물질을 형성하는 단계; 및
상기 갭에 제2 물질을 형성하는 단계를 포함하고,
상기 제2 물질은 상기 제1 인덱스보다 더 높은 인덱스를 갖는,
도파관 커플러 제조 방법.
- 제6항에 있어서,
상기 제1 인덱스는 상기 제1 도파관 및 상기 제2 도파관의 유효 인덱스보다 작은,
도파관 커플러 제조 방법.
- 제6항에 있어서,
상기 제1 도파관은 리지 가이드 구조를 포함하는 실리콘 물질을 포함하는,
도파관 커플러 제조 방법.
- 제6항에 있어서,
상기 제2 도파관은 III-V 물질을 포함하는,
도파관 커플러 제조 방법.
- 제6항에 있어서,
상기 제1 물질은 실리콘 산화물 물질을 포함하는,
도파관 커플러 제조 방법.
- 제6항에 있어서,
상기 제2 물질은 비정질 실리콘 물질을 포함하는,
도파관 커플러 제조 방법.
- 제6항에 있어서,
상기 갭에 상기 제1 물질을 형성하는 단계는, 상기 제1 물질의 디포지션, 평탄화 프로세스, 및 상기 제1 물질의 에칭을 포함하는,
도파관 커플러 제조 방법.
- 제6항에 있어서,
상기 갭에 상기 제2 물질을 형성하는 단계는 상기 제2 물질의 디포지션 및 평탄화 프로세스를 포함하는,
도파관 커플러 제조 방법.
- 제6항에 있어서,
상기 갭에 상기 제2 물질을 형성하는 단계는 상기 제2 물질의 디포지션, 또는, 상기 제2 물질의 디포지션 및 상기 제2 물질의 에칭을 포함하는,
도파관 커플러 제조 방법.
- 제6항에 있어서,
상기 도파관 커플러는 상기 길이 방향을 따라 테이퍼링된 폭을 갖는,
도파관 커플러 제조 방법.
- 광학 디바이스에 있어서,
피크 진폭을 갖는 광학 모드를 지원하는 제1 도파관 영역;
분리 영역에 의해 상기 제1 도파관 영역으로부터 공간적으로 분리되는 제2 도파관 영역; 및
상기 분리 영역 내에 배치된 다층 도파관 영역을 포함하고,
상기 다층 도파관 영역은, 상기 광학 모드 아래에 위치되고 제1 굴절률을 갖는 제1 물질 및 상기 피크 진폭과 정렬되고 상기 제1 굴절률보다 높은 제2 굴절률을 갖는 제2 물질을 포함하는,
광학 디바이스.
- 제16항에 있어서,
상기 제1 도파관 영역, 상기 제2 도파관 영역 및 상기 다층 도파관 영역을 지지하는 기판을 더 포함하는,
광학 디바이스.
- 제17항에 있어서,
상기 기판은 실리콘 기판을 포함하는,
광학 디바이스.
- 제16항에 있어서,
상기 제1 도파관 영역은 실리콘 온 인슐레이터 구조를 포함하는,
광학 디바이스.
- 제16항에 있어서,
상기 제2 도파관 영역은 III-V 물질 구조를 포함하는,
광학 디바이스.
- 제16항에 있어서,
상기 제1 물질은 실리콘 산화물 또는 실리콘 질화물 중 적어도 하나를 포함하고,
상기 제2 물질은 비정질 실리콘을 포함하는,
광학 디바이스.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201161528938P | 2011-08-30 | 2011-08-30 | |
| US61/528,938 | 2011-08-30 | ||
| US13/597,117 US9097846B2 (en) | 2011-08-30 | 2012-08-28 | Integrated waveguide coupler |
| US13/597,117 | 2012-08-28 | ||
| PCT/US2012/052913 WO2013033252A1 (en) | 2011-08-30 | 2012-08-29 | Integrated waveguide coupler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20140060547A true KR20140060547A (ko) | 2014-05-20 |
| KR102059891B1 KR102059891B1 (ko) | 2019-12-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020147007894A Active KR102059891B1 (ko) | 2011-08-30 | 2012-08-29 | 집적 도파관 커플러 |
Country Status (5)
| Country | Link |
|---|---|
| US (5) | US9097846B2 (ko) |
| EP (1) | EP2751603B1 (ko) |
| JP (2) | JP6363019B2 (ko) |
| KR (1) | KR102059891B1 (ko) |
| WO (1) | WO2013033252A1 (ko) |
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|---|---|---|---|---|
| US9658401B2 (en) | 2014-05-27 | 2017-05-23 | Skorpios Technologies, Inc. | Waveguide mode expander having an amorphous-silicon shoulder |
| US9829631B2 (en) | 2015-04-20 | 2017-11-28 | Skorpios Technologies, Inc. | Vertical output couplers for photonic devices |
| US9977188B2 (en) | 2011-08-30 | 2018-05-22 | Skorpios Technologies, Inc. | Integrated photonics mode expander |
| US10088629B2 (en) | 2014-03-07 | 2018-10-02 | Skorpios Technologies, Inc. | Wide shoulder, high order mode filter for thick-silicon waveguides |
| KR20190087025A (ko) * | 2018-01-15 | 2019-07-24 | 한국전자통신연구원 | 광 도파로 구조체 |
| US10649148B2 (en) | 2017-10-25 | 2020-05-12 | Skorpios Technologies, Inc. | Multistage spot size converter in silicon photonics |
| US11360263B2 (en) | 2019-01-31 | 2022-06-14 | Skorpios Technologies. Inc. | Self-aligned spot size converter |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9020312B2 (en) * | 2009-06-16 | 2015-04-28 | Nec Corporation | Connecting channel |
| US9923105B2 (en) * | 2013-10-09 | 2018-03-20 | Skorpios Technologies, Inc. | Processing of a direct-bandgap chip after bonding to a silicon photonic device |
| US9316785B2 (en) | 2013-10-09 | 2016-04-19 | Skorpios Technologies, Inc. | Integration of an unprocessed, direct-bandgap chip into a silicon photonic device |
| US11181688B2 (en) | 2009-10-13 | 2021-11-23 | Skorpios Technologies, Inc. | Integration of an unprocessed, direct-bandgap chip into a silicon photonic device |
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Also Published As
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| US20200041732A1 (en) | 2020-02-06 |
| EP2751603A4 (en) | 2015-05-06 |
| US20220075130A1 (en) | 2022-03-10 |
| US9268088B2 (en) | 2016-02-23 |
| KR102059891B1 (ko) | 2019-12-27 |
| US20160246016A1 (en) | 2016-08-25 |
| EP2751603B1 (en) | 2020-02-12 |
| JP6363019B2 (ja) | 2018-07-25 |
| US11002925B2 (en) | 2021-05-11 |
| WO2013033252A1 (en) | 2013-03-07 |
| JP2014525608A (ja) | 2014-09-29 |
| JP6799035B2 (ja) | 2020-12-09 |
| US9097846B2 (en) | 2015-08-04 |
| EP2751603A1 (en) | 2014-07-09 |
| JP2018197861A (ja) | 2018-12-13 |
| US20130051727A1 (en) | 2013-02-28 |
| US20150378097A1 (en) | 2015-12-31 |
| US10330871B2 (en) | 2019-06-25 |
| US12169311B2 (en) | 2024-12-17 |
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