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PDM-DQPSK Silicon Receiver With Integrated Monitor and Minimum Number of Controls

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3 Author(s)
Doerr, C.R. ; Bell Labs., Alcatel-Lucent, Holmdel, NJ, USA ; Fontaine, N.K. ; Buhl, L.L.

We demonstrate a novel polarization-division multiplexed differential quadrature phase-shift keying receiver. It has the minimum number of analog controls and an integrated polarization interference monitor for polarization tracking. It can theoretically tolerate polarization-dependent loss in the link. We achieve ~10 times tracking speed improvement, ~6-dB lower loss, and ~100 times lower average bit-error rate during most of the tracking over our previous work for 43-Gb/s PDM-DQPSK.

Published in:

Photonics Technology Letters, IEEE  (Volume:24 ,  Issue: 8 )