Generation of 21.3 Gbaud 8PSK signal using an SOA-based all-optical phase modulator

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Generation of 21.3 Gbaud 8PSK signal using an SOA-based all-optical phase modulator

Dailey, James M.; Webb, Rod P.; Manning, Robert J.
Date: 2011-12-12
Copyright: © 2011 Optical Society of America. This paper appears in Optics Express and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-19-26-B12 Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.
Related: http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-19-26-B12
Citation: Dailey, J. M.; Webb, R. P.; Manning, R. J. (2011) 'Generation of 21.3 Gbaud 8PSK signal using an SOA-based all-optical phase modulator'. Optics Express, 19 (26):B12-B17. doi: http://dx.doi.org/10.1364/OE.19.000B12
Published Version: 10.1364/OE.19.000B12

Abstract:

We describe a novel SOA-based all-optical pure-phase modulator, and show how deleterious cross-gain modulation from the SOAs can be suppressed by utilizing an integrated interferometer structure. We experimentally demonstrate the use of the optical gate as a π/4 phase modulator producing 21.3 Gbaud 8PSK from 21.3 Gbit/s OOK and 21.3 Gbaud QPSK inputs. The modulator produces 3 dB of gain and coherent detection-based bit error rate measurements indicate a 2.4 dB excess penalty.

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