Universal QAM encoder/converter using fully tunable complex-coefficient optical tapped-delay line

Salman Khaleghi, Mohammad Reza Chitgarha, Omer F. Yilmaz, Moshe Tur, Michael W. Haney, Alan E. Willner

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

We experimentally demonstrate a tunable and reconfigurable optical scheme for encoding and converting of QAM symbols. 20/31 Gbaud QPSK signals are encoded/converted to higher order QAMs, including 64-QAM in an all-optical tunable tapped delay line. The OSNR penalty at 2×10-3 BER is measured to be ∼2 dB and ∼8 dB for conversions of 31 Gbaud BPSK to 15.5 Gbaud QPSK and 31 Gbaud QPSK to 15.5 Gbaud 16-QAM, respectively.

Original languageEnglish
Title of host publication2012 Optical Fiber Communication Conference and Exposition and the National Fiber Optic Engineers Conference, OFC/NFOEC 2012
PublisherIEEE Computer Society
ISBN (Print)9781467302623
DOIs
StatePublished - 2012
Event2012 Optical Fiber Communication Conference and Exposition and the National Fiber Optic Engineers Conference, OFC/NFOEC 2012 - Los Angeles, CA, United States
Duration: 4 Mar 20128 Mar 2012

Publication series

Name2012 Optical Fiber Communication Conference and Exposition and the National Fiber Optic Engineers Conference, OFC/NFOEC 2012

Conference

Conference2012 Optical Fiber Communication Conference and Exposition and the National Fiber Optic Engineers Conference, OFC/NFOEC 2012
Country/TerritoryUnited States
CityLos Angeles, CA
Period4/03/128/03/12

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