상세정보
학술지
Optimization of Spot-Size Converter for Low Polarization Dependent Loss of Waveguide Photodetector
- 발행일
- 201312
- 출처
- Optics Express, v.21 no.25, pp.30175-30182
- ISSN
- 1094-4087
- 출판사
- Optical Society of America(OSA)
- 협약과제
- 12MB4400, 코히어런트 광송수신소자 개발, 권용환
- 초록
- We present an optimization of spot-size converter (SSC) of waveguide photodetector (PD) for small polarization dependent loss (PDL). Beam-propagation method simulation gives responsivity for each polarization and SSC structure. From the calculated responsivity data, optimum structure of SSC is determined that can be implemented with a sufficient process tolerance. We confirm the optimization by measuring PDL of waveguide PD designed according to the structure obtained through the simulation. © 2013 Optical Society of America.
- KSP 제안 키워드
- Low polarization, Optimum structure, Polarization dependent loss, Spot size converter(SSC), Waveguide photodetector, beam propagation method, process tolerance