KR102559579B1 - 광 변조기 및 이를 이용하는 데이터 처리 시스템 - Google Patents
광 변조기 및 이를 이용하는 데이터 처리 시스템 Download PDFInfo
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- G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
- G02B6/29346—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by wave or beam interference
- G02B6/2935—Mach-Zehnder configuration, i.e. comprising separate splitting and combining means
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- 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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- H04B10/50—Transmitters
- H04B10/501—Structural aspects
- H04B10/503—Laser transmitters
- H04B10/505—Laser transmitters using external modulation
- H04B10/5057—Laser transmitters using external modulation using a feedback signal generated by analysing the optical output
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Abstract
Description
도 2는 메인 광 도파로와 제1 및 제2 광 도파로의 구체적인 배치를 나타내는 도면이다.
도 3은 본 발명의 기술적 사상에 의한 실시예들에 따른 광 변조기를 통해 전달되는 광 흐름을 나타내는 이미지이다.
도 4는 제1 광 신호와 제2 광 신호의 위상차에 따른 메인 광 신호 세기와 제1 및 제2 보조 광 신호 세기를 나타내는 그래프이다.
도 5a 및 도 5b는 메인 광 신호 세기와 제1 및 제2 보조 광 신호 세기를 나타내는 도면과 그래프이다.
도 6 내지 도 10은 본 발명의 기술적 사상에 의한 실시예들에 따른 광 변조기를 나타내는 도면들이다.
도 11은 본 발명의 기술적 사상에 의한 실시예들에 따른 데이터 처리 시스템의 블록도이다.
Claims (15)
- 입력 광 신호를 제1 광 신호 및 제2 광 신호로 나누어 제1 광 도파로 및 제2 광 도파로로 각각 전달하는 광 스플리터(splitter);
상기 제1 및 제2 광 도파로로부터 각각 전달된 상기 제1 및 제2 광 신호를 결합하여 출력 광 신호를 생성하고, 메인 출력 포트, 제1 보조 출력 포트 및 제2 보조 출력 포트를 포함하는 세 개의 출력 포트들을 포함하는 광 컴바이너(combiner);
상기 세 개의 출력 포트들과 각각 연결되어 상기 출력 광 신호를 전달하는 세 개의 출력 광 도파로들; 및
상기 출력 광 도파로들 중 일부와 연결되는 광 검출기(optical detector);를 포함하고,
상기 출력 광 신호는 메인 광 도파로를 통해 전달되는 메인 광 신호와, 제1 및 제2 보조 광 도파로를 통해 각각 전달되는 제1 보조 광 신호 및 제2 보조 광 신호를 포함하고,
상기 메인 광 신호의 세기는 상기 광 검출기로부터 측정된 상기 제1 또는 제2 보조 광 신호의 세기의 합과 실질적으로 동일하고,
상기 메인 광 신호와 상기 제1 보조 광 신호 및 상기 제2 보조 광 신호 중 어느 하나 간의 위상차는 90°인 것을 특징으로 하는 광 변조기. - 제1 항에 있어서, 상기 출력 광 도파로들은 상기 메인 광 도파로, 상기 제1 보조 광 도파로, 및 상기 제2 보조 광 도파로를 포함하고,
상기 광 검출기는 상기 제1 및 제2 보조 광 도파로 중 일부와 연결되는 것을 특징으로 하는 광 변조기. - 제1 항에 있어서, 상기 메인 광 도파로로부터 분기되어 광 검출기로 연결되는 광 도파로를 포함하지 않는 것을 특징으로 하는 광 변조기.
- 제1 항에 있어서, 상기 제1 및 제2 광 도파로 중 적어도 하나에 위치하는 위상 천이기(phase shifter)를 더 포함하는 것을 특징으로 하는 광 변조기.
- 제4 항에 있어서, 상기 위상 천이기는 상기 위상 천이기 통과 전후의 상기 제1 및 제2 광 신호의 위상차의 변동량이 90도로 유지되도록 구동하는 것을 특징으로 하는 광 변조기.
- 삭제
- 제4 항에 있어서, 상기 위상 천이기는 히터(heater)인 것을 특징으로 하는 광 변조기.
- 제1 항에 있어서, 상기 제1 광 도파로에 위치하고, 제1 전기 신호에 따라 상기 제1 광 신호의 위상을 변조하는 제1 전극를 포함하고,
상기 출력 광 신호는 상기 제1 전극에 의해 변조된 위상을 갖는 제1 변조 광 신호와 상기 제2 광 신호를 결합하여 생성되는 것을 특징으로 하는 광 변조기. - 제1 항에 있어서, 상기 제1 및 제2 보조 출력 포트는 상기 메인 출력 포트를 사이에 두고, 상기 메인 출력 포트로부터 동일하게 이격되어 배치되는 것을 특징으로 하는 광 변조기.
- 입력 광 신호를 제1 광 신호 및 제2 광 신호로 분리하는 광 스플리터;
상기 제1 및 제2 광 신호 중 적어도 하나의 위상을 변조시키는 위상 천이기;
세 개의 출력 포트로부터 출력되는 세 개의 출력 광 신호들 중 일부로부터 신호를 전송받는 광 검출기; 및
상기 광 검출기와 상기 위상 천이기 사이를 연결하고, 상기 광 검출기에서 측정된 검출 신호를 기초로 상기 위상 천이기의 초기 위상 변조값을 조절하는 콘트롤러;를 포함하고,
상기 출력 광 신호는 메인 광 도파로를 통해 전달되는 메인 광 신호와, 제1 및 제2 보조 광 도파로를 통해 각각 전달되는 제1 보조 광 신호 및 제2 보조 광 신호를 포함하고,
상기 메인 광 신호의 세기는 상기 광 검출기로부터 측정된 상기 제1 또는 제2 보조 광 신호의 세기의 합과 실질적으로 동일하고,
상기 메인 광 신호와 상기 제1 보조 광 신호 및 상기 제2 보조 광 신호 중 어느 하나 간의 위상차는 90°인 것을 특징으로 하는 광 변조기. - 삭제
- 삭제
- 삭제
- 삭제
- 삭제
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| Application Number | Priority Date | Filing Date | Title |
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| KR1020150124945A KR102559579B1 (ko) | 2015-09-03 | 2015-09-03 | 광 변조기 및 이를 이용하는 데이터 처리 시스템 |
| US15/230,384 US9935716B2 (en) | 2015-09-03 | 2016-08-06 | Optical modulators and data processing systems using the same |
| CN201610797912.5A CN106501969A (zh) | 2015-09-03 | 2016-08-31 | 光调制器以及使用该光调制器的数据处理系统 |
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| US10606143B2 (en) * | 2017-06-27 | 2020-03-31 | Sumitomo Electric Industries, Ltd. | Multimode interferometer, Mach-Zehnder modulation device |
| CN107505510A (zh) * | 2017-09-05 | 2017-12-22 | 北京森馥科技股份有限公司 | 电场测量装置及系统 |
| US10642075B1 (en) * | 2017-09-27 | 2020-05-05 | Bae Systems Information And Electronic Systems Integration Inc. | Apparatus and method for producing rapid and accurate laser phase shifts |
| US10302867B1 (en) * | 2018-04-05 | 2019-05-28 | Northrop Grumman Systems Corporation | Redirected optical modulator output |
| WO2019239683A1 (ja) * | 2018-06-14 | 2019-12-19 | 三菱電機株式会社 | 光変調器及び光送信モジュール |
| US10790910B2 (en) * | 2018-12-22 | 2020-09-29 | Intel Corporation | Optical modulator-based transmission control |
| KR102715143B1 (ko) * | 2019-01-24 | 2024-10-10 | 한국전자통신연구원 | 3차원 광스위치 |
| TW202217377A (zh) * | 2020-07-06 | 2022-05-01 | 新加坡商光子智能私人有限公司 | 積體電路中介層、系統、裝置、製造積體電路中介層的方法、以及用於從多個節點向目的地傳輸資訊的方法與系統 |
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| US20170070297A1 (en) | 2017-03-09 |
| US9935716B2 (en) | 2018-04-03 |
| CN106501969A (zh) | 2017-03-15 |
| KR20170028095A (ko) | 2017-03-13 |
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