Optimization of spot-size converter for low polarization dependent loss of waveguide photodetector

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 deter...

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Bibliographic Details
Published inOptics express Vol. 21; no. 25; pp. 30175 - 30182
Main Authors Choe, Joong-Seon, Han, Won-Seok, Kim, Duk Jun, Kim, Jong-Hoi, Youn, Chun Ju, Kim, Dong-Young, Kwon, Yong-Hwan, Nam, Eun-Soo
Format Journal Article
LanguageEnglish
Published United States 16.12.2013
Subjects
Computer Simulation
Computer-Aided Design
Equipment Design
Equipment Failure Analysis
Models, Theoretical
Photometry - instrumentation
Refractometry - instrumentation
Surface Plasmon Resonance - instrumentation
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Summary: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.
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ISSN:1094-4087
1094-4087
DOI:10.1364/OE.21.030175