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Experimental Demonstration of Reduced Complexity 43-Gb/s RZ-DQPSK Rate-Tunable Receiver

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5 Author(s)
Christen, L. ; Dept. of Electr. Eng., Univ. of Southern California, Los Angeles, CA ; Lyubomirsky, I. ; Nuccio, S. ; Paraschis, L.
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We demonstrate an alternative differential quadrature phase-shift keying (DQPSK) receiver offering reduced complexity through sharing of hardware in the I/Q demodulation paths. Demodulation of 43-Gb/s return-to-zero DQPSK is demonstrated without penalty relative to a traditional DQPSK receiver. Rate tuning is demonstrated using a tunable birefringent element.

Published in:

Photonics Technology Letters, IEEE  (Volume:20 ,  Issue: 13 )