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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 6 — Mar. 25, 2013
  • pp: 7828–7834

Polarization diversity DPSK demodulator on the silicon-on-insulator platform with simple fabrication

Yunhong Ding, Bo Huang, Haiyan Ou, Francesco Da Ros, and Christophe Peucheret  »View Author Affiliations

Optics Express, Vol. 21, Issue 6, pp. 7828-7834 (2013)

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Abstract: We demonstrate a novel polarization diversity differential phase-shift keying (DPSK) demodulator on the SOI platform, which is fabricated in a single lithography and etching step. The polarization diversity DPSK demodulator is based on a novel polarization splitter and rotator, which consists of a tapered waveguide followed by a 2 × 2 multimode interferometer. A lowest insertion loss of 0.5 dB with low polarization dependent loss of 1.6 dB and low polarization dependent extinction ratio smaller than 3 dB are measured for the polarization diversity circuit. Clear eye-diagrams and a finite power penalty of only 3 dB when the input state of polarization is scrambled are obtained for 40 Gbit/s non return-to-zero DPSK (NRZ-DPSK) demodulation.

© 2013 OSA

OCIS Codes
(060.5060) Fiber optics and optical communications : Phase modulation
(130.3120) Integrated optics : Integrated optics devices
(230.5440) Optical devices : Polarization-selective devices

ToC Category:
Integrated Optics

Original Manuscript: February 6, 2013
Revised Manuscript: March 15, 2013
Manuscript Accepted: March 15, 2013
Published: March 22, 2013

Yunhong Ding, Bo Huang, Haiyan Ou, Francesco Da Ros, and Christophe Peucheret, "Polarization diversity DPSK demodulator on the silicon-on-insulator platform with simple fabrication," Opt. Express 21, 7828-7834 (2013)

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