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Christoph Wree, Member, IEEE, Donald Becker, Daniel Mohr, and Abhay Joshi
Discovery Semiconductors, Inc.
119 Silvia Street
Ewing, New Jersey, 08628, USAABSTRACT
Heterodyne detection of 10-Gb/s nonreturn-to-zero (NRZ) ON–OFF keying and NRZ differential phase-shift keying is demonstrated. The noise performance of the heterodyne receiver with and without the use of an optical preamplifier is experimentally investigated.
* Published in IEEE Photonics Technology Letters, Vol. 19, No. 1, pp. 15-17, January 1, 2007.
