대한전기학회:학술대회논문집 (Proceedings of the KIEE Conference)

대한전기학회 (The Korean Institute of Electrical Engineers)
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Si V-groove를 이용한 광섬유와 Photodiode결합에서의 Beam Profile과 결합효율에 대한 이론적 연구

Theoretical Study of the Beam Profile and Coupling Efficiency for Fiber-Photodiode Coupling using Si V-grooves

  • Keum, Dong-In (Department of Electrical Engineering, Seoul National University) ;
  • Min, Sung-Wook (Department of Electrical Engineering, Seoul National University) ;
  • Lee, Byoung-Ho (Department of Electrical Engineering, Seoul National University)
  • 발행 : 1995.07.20
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초록

In the fiber-photodiode(PD) coupling module using v-groove, the paraxial approximation is no longer valid because the beam enters obliquely the PD substrate with the angle of $20^{\circ}$ after being reflected from the $55^{\circ}$ mirror formed by anisotropically etching of the (100) silicon wafer. In this paper, we study the beam profile incident on the PD active area and fiber-PD coupling efficiency for this case.

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