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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 25 — Dec. 16, 2013
  • pp: 30175–30182

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

Joong-Seon Choe, Won-Seok Han, Duk Jun Kim, Jong-Hoi Kim, Chun Ju Youn, Dong-Young Kim, Yong-Hwan Kwon, and Eun-Soo Nam  »View Author Affiliations


Optics Express, Vol. 21, Issue 25, pp. 30175-30182 (2013)
http://dx.doi.org/10.1364/OE.21.030175


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Abstract

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

OCIS Codes
(130.0250) Integrated optics : Optoelectronics
(230.5160) Optical devices : Photodetectors
(260.5430) Physical optics : Polarization

ToC Category:
Detectors

History
Original Manuscript: August 19, 2013
Revised Manuscript: November 6, 2013
Manuscript Accepted: November 20, 2013
Published: December 2, 2013

Citation
Joong-Seon Choe, Won-Seok Han, Duk Jun Kim, Jong-Hoi Kim, Chun Ju Youn, Dong-Young Kim, Yong-Hwan Kwon, and Eun-Soo Nam, "Optimization of spot-size converter for low polarization dependent loss of waveguide photodetector," Opt. Express 21, 30175-30182 (2013)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-21-25-30175


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References

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