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Journal of Lightwave Technology

Journal of Lightwave Technology

| A JOINT IEEE/OSA PUBLICATION

  • Vol. 29, Iss. 9 — May. 1, 2011
  • pp: 1319–1325

A Passive All-Optical Device for 2R Regeneration Based on the Cascade of Two High-Speed Saturable Absorbers

Hoang Trung Nguyen, Coraline Fortier, Julien Fatome, Guy Aubin, and Jean-Louis Oudar

Journal of Lightwave Technology, Vol. 29, Issue 9, pp. 1319-1325 (2011)


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Abstract

We discuss the design and realization of a passive all-optical device for 2R regeneration based on a dual-stage of high-speed microcavity saturable absorbers, one for noise reduction of digital zeros (SA-0), and the other for noise reduction of digital ones (SA-1). The numerical and experimental results showed that by using a simple combination of SA-0 and SA-1 devices, one can obtain an intensity transfer function with a large extinction ratio improvement of low power levels and a strongly nonlinear response reducing the noise of high power levels. The amplitude and phase characterization of a 40-GHz signal transmitted by this device, obtained by frequency-resolved optical gating measurements, reveals the intensity-dependant pulse-compression effect and the low chirp introduced by this device.

© 2011 IEEE

Citation
Hoang Trung Nguyen, Coraline Fortier, Julien Fatome, Guy Aubin, and Jean-Louis Oudar, "A Passive All-Optical Device for 2R Regeneration Based on the Cascade of Two High-Speed Saturable Absorbers," J. Lightwave Technol. 29, 1319-1325 (2011)
http://www.opticsinfobase.org/jlt/abstract.cfm?URI=jlt-29-9-1319


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