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DPSK demodulator based on optical discriminator filter

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2 Author(s)
Lyubomirsky, I. ; Dept. of Electr. Eng., Univ. of California, Riverside, CA, USA ; Cheng-Chung Chien

A 10-Gb/s differential phase-shift-keying (DPSK) demodulator is demonstrated based on an ultranarrow 6.2-GHz optical discriminator filter. The DPSK demodulator operates with a conventional direct detection p-i-n receiver, while still outperforming on-off keying by 1.2 dB.

Published in:

Photonics Technology Letters, IEEE  (Volume:17 ,  Issue: 2 )