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Optics Letters

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  • Vol. 36, Iss. 9 — May. 1, 2011
  • pp: 1560–1562

Demultiplexing of OTDM-DPSK signals based on a single semiconductor optical amplifier and optical filtering

Jing Xu, Yunhong Ding, Christophe Peucheret, Jorge Seoane, Hans Christian Hansen Mulvad, Michael Galili, Weiqi Xue, Jesper Mørk, and Palle Jeppesen  »View Author Affiliations


Optics Letters, Vol. 36, Issue 9, pp. 1560-1562 (2011)
http://dx.doi.org/10.1364/OL.36.001560


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Abstract

We propose and demonstrate the use of a single semiconductor optical amplifier (SOA) and optical filtering to time demultiplex tributaries from an optical time division multiplexing-differential phase shift keying (OTDM-DPSK) signal. The scheme takes advantage of the fact that phase variations added to the target channel by cross-phase modulation from the control signal are effectively subtracted in the differential demodulation scheme employed for DPSK signals. Demultiplexing from 80 to 40 Gbit / s is demonstrated with moderate power penalty using an SOA with recovery time twice as long as the bit period at 80 Gbit / s . Large dynamic ranges for the input power and SOA current are experimentally demonstrated. The scheme is expected to be scalable toward higher bit rates.

© 2011 Optical Society of America

OCIS Codes
(070.4340) Fourier optics and signal processing : Nonlinear optical signal processing
(250.5980) Optoelectronics : Semiconductor optical amplifiers

ToC Category:
Optoelectronics

History
Original Manuscript: January 5, 2011
Revised Manuscript: March 22, 2011
Manuscript Accepted: March 28, 2011
Published: April 21, 2011

Citation
Jing Xu, Yunhong Ding, Christophe Peucheret, Jorge Seoane, Hans Christian Hansen Mulvad, Michael Galili, Weiqi Xue, Jesper Mørk, and Palle Jeppesen, "Demultiplexing of OTDM-DPSK signals based on a single semiconductor optical amplifier and optical filtering," Opt. Lett. 36, 1560-1562 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-9-1560

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