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Monolithic InP Dual-Polarization and Dual-Quadrature Coherent Receiver

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11 Author(s)
Doerr, C.R. ; Bell Labs., Alcatel-Lucent, Holmdel, NJ, USA ; Zhang, L. ; Winzer, P.J. ; Weimann, N.
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We realized a monolithic dual-polarization dual-quadrature coherent receiver with balanced detection on InP using a single epitaxial step. It monolithically integrates the polarization splitters, 90° hybrids, and balanced photodiodes in 4.1 mm2 . We demonstrate reception of 112-Gb/s polarization-division-multiplexed quadrature phase-shift keying with 17.3-dB optical signal-to-noise ratio at 10-3 bit-error rate.

Published in:

Photonics Technology Letters, IEEE  (Volume:23 ,  Issue: 11 )