18HH1200, Development of 200Gb/s optical transceiver for metro-access network,
Lee Jun Ki
Abstract
광송신 모듈이 개시된다. 광송신 모듈은 광신호를 출력하는 복수의 광원들; 상기 복수의 광원들에서 출력된 광신호들을 다중화하는 광다중화기; 상기 광다중화기로부터 출력된 광신호를 평행한 빔의 형태로 변환하는 콜리메이팅(Collimating) 렌즈; 상기 복수의 광원들, 광다중화기 및 콜리메이팅 렌즈가 내측에 실장되는 패키지; 상기 패키지의 내측 일면에 배치되어 상기 광송신 모듈의 외부에서 반사되어 되돌아오는 광신호를 차단하는 광아이솔레이터(Optical Isolator)를 포함하고, 상기 복수의 광원들로부터 출력된 광신호들은 상기 패키지 내부에 배치된 광다중화기를 통해 하나의 광신호로 다중화되어 콜리메이팅 렌즈를 통과한 후 상기 패키지 외부에 배치된 광결합 렌즈를 통해 리셉터클(Receptacle) 내의 광섬유 스터브(Fiber stub)에 광결합되어 외부로 출력될 수 있다.
KSP Keywords
optical isolator
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