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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 22, Iss. 2 — Jan. 27, 2014
  • pp: 2119–2125

Monolithic polarization diversity coherent receiver based on 120-degree optical hybrids on silicon

Po Dong, Chongjin Xie, and Lawrence L. Buhl  »View Author Affiliations


Optics Express, Vol. 22, Issue 2, pp. 2119-2125 (2014)
http://dx.doi.org/10.1364/OE.22.002119


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Abstract

We present a monolithic polarization diversity coherent receiver by employing 120-degree optical hybrids on a silicon photonic integrated circuit (PIC). This PIC monolithically integrates silicon inverse tapers for fiber coupling, silicon polarization splitters, germanium high-speed photo detectors, and 120-degree optical hybrids based on 3x3 multimode interferometers (MMI). We demonstrate that 112-Gb/s polarization-division-multiplexed quadrature phase-shift keyed signals are detected in the wavelength range of 1530-1580 nm with comparable performance to commercial receivers.

© 2014 Optical Society of America

OCIS Codes
(060.1660) Fiber optics and optical communications : Coherent communications
(130.0250) Integrated optics : Optoelectronics
(230.5160) Optical devices : Photodetectors
(250.5300) Optoelectronics : Photonic integrated circuits

ToC Category:
Optical Communications

History
Original Manuscript: December 13, 2013
Revised Manuscript: January 13, 2014
Manuscript Accepted: January 14, 2014
Published: January 24, 2014

Citation
Po Dong, Chongjin Xie, and Lawrence L. Buhl, "Monolithic polarization diversity coherent receiver based on 120-degree optical hybrids on silicon," Opt. Express 22, 2119-2125 (2014)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-22-2-2119


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