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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 23 — Nov. 7, 2011
  • pp: 23017–23028

NALM-based, phase-preserving 2R regenerator of high-duty-cycle pulses

Taras I. Lakoba, Jake R. Williams, and Michael Vasilyev  »View Author Affiliations


Optics Express, Vol. 19, Issue 23, pp. 23017-23028 (2011)
http://dx.doi.org/10.1364/OE.19.023017


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Abstract

We explore the potential of the nonlinear amplifying loop mirror (NALM)-based phase-preserving 2R (reamplification and reshaping) regenerator for simultaneous regeneration of multiple wavelength-division-multiplexed (WDM) channels. While not considering nonlinear multi-channel propagation, we address two issues of the phase-preserving NALM that appear to us as the major obstacles in adopting it for realistic WDM applications: a high operating power and a detrimental effect of non-small (33% – 50%) pulse duty cycles. After thorough optimization, we find a new operating regime of this regenerator with the non-small duty-cycle capability and approximately an order of magnitude reduction of the required operating power. In addition, we show that the plateau in the input–output power transfer curve does not automatically lead to the reduction of the amplitude jitter, which is particularly noticeable for the non-small duty-cycle pulses.

© 2011 OSA

OCIS Codes
(060.2330) Fiber optics and optical communications : Fiber optics communications
(060.4510) Fiber optics and optical communications : Optical communications
(070.4340) Fourier optics and signal processing : Nonlinear optical signal processing
(230.1150) Optical devices : All-optical devices
(230.4320) Optical devices : Nonlinear optical devices

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: August 8, 2011
Revised Manuscript: October 4, 2011
Manuscript Accepted: October 5, 2011
Published: October 28, 2011

Citation
Taras I. Lakoba, Jake R. Williams, and Michael Vasilyev, "NALM-based, phase-preserving 2R regenerator of high-duty-cycle pulses," Opt. Express 19, 23017-23028 (2011)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-19-23-23017


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