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Proceedings Paper

Optimization of waveguide photodetector with thin absorbing layer and large responsivity
Author(s): J.S. Choe; D.J. Kim; W.S. Han; J.H. Kim
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Paper Abstract

We present optimized structure of waveguide photodetector (WGPD) having large responsivity in spite that its absorption layer is thin. Through beam-propagation method simulations, spot-size converter integrated WGPD is found to be able to have larger responsivity with thinner absorbing layer. Calculated responsivity and polarization dependent loss of the optimized design are 0.83 A/W and 0.13 dB with 150-nm-thick and 25-μm-long absorber.

Paper Details

Date Published: 31 January 2020
PDF: 6 pages
Proc. SPIE 11309, Next-Generation Optical Communication: Components, Sub-Systems, and Systems IX, 113090P (31 January 2020); doi: 10.1117/12.2543023
Show Author Affiliations
J.S. Choe, Electronics and Telecommunications Research Institute (Korea, Republic of)
D.J. Kim, Electronics and Telecommunications Research Institute (Korea, Republic of)
W.S. Han, Electronics and Telecommunications Research Institute (Korea, Republic of)
J.H. Kim, Electronics and Telecommunications Research Institute (Korea, Republic of)


Published in SPIE Proceedings Vol. 11309:
Next-Generation Optical Communication: Components, Sub-Systems, and Systems IX
Guifang Li; Xiang Zhou, Editor(s)

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