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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 22, Iss. 1 — Jan. 13, 2014
  • pp: 102–109

Flexible, compact WDM receivers using cascaded optical and electrical down-conversion

Hyun-chul Park, Molly Piels, Mingzhi Lu, Eli Bloch, Abi Sivananthan, Zach Griffith, Leif Johansson, John Bowers, Larry Coldren, and Mark Rodwell  »View Author Affiliations


Optics Express, Vol. 22, Issue 1, pp. 102-109 (2014)
http://dx.doi.org/10.1364/OE.22.000102


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Abstract

We propose a super-channel flexible wavelength division multiplexing (WDM) receiver architecture. The receiver, which requires no optical filtering, only a pair (I and Q phases) of coherent optical detectors, and an electrical receiver system, can simultaneously recover multiple wavelength-multiplexed channels using cascaded optical and electrical down-conversion. The receiver data capacity increases in proportion to the number of electrical sub-carrier channels. The proposed receiver concept has been described using a six-channel WDM receiver, and a two-channel ( ± 25GHz) receiver IC, which is a key block of the WDM receiver, has been successfully demonstrated with two and three 2.5Gb/s binary-phase-shift-key (BPSK) modulated channels.

© 2013 Optical Society of America

OCIS Codes
(060.1660) Fiber optics and optical communications : Coherent communications
(250.5300) Optoelectronics : Photonic integrated circuits
(350.4010) Other areas of optics : Microwaves

ToC Category:
Subsystems for Optical Networks and Datacomms

History
Original Manuscript: October 8, 2013
Revised Manuscript: November 27, 2013
Manuscript Accepted: November 28, 2013
Published: December 23, 2013

Virtual Issues
European Conference and Exhibition on Optical Communication (2013) Optics Express

Citation
Hyun-chul Park, Molly Piels, Mingzhi Lu, Eli Bloch, Abi Sivananthan, Zach Griffith, Leif Johansson, John Bowers, Larry Coldren, and Mark Rodwell, "Flexible, compact WDM receivers using cascaded optical and electrical down-conversion," Opt. Express 22, 102-109 (2014)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-22-1-102


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