Spectral compression and group delay of optical pulses in silicon Raman amplifiers
Optics Letters, Vol. 35, Issue 18, pp. 3138-3140 (2010)
http://dx.doi.org/10.1364/OL.35.003138
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Abstract
We present a general study of pulse amplification in silicon Raman amplifiers, with special emphasis on the effects of spectral compression and group delay due to the Raman gain dispersion. We use the undepleted-pump approxi mation to analytically calculate the dynamics of an arbitrary pulse spectra and find the temporal profile of the pulse at the amplifier’s output. We show that cw-pumped silicon waveguides are extremely inefficient in amplification of subpicosecond optical pulses but provide large net gains and controllable group delays for pulses with widths of
© 2010 Optical Society of America
OCIS Codes
(190.4360) Nonlinear optics : Nonlinear optics, devices
(230.0230) Optical devices : Optical devices
(250.4390) Optoelectronics : Nonlinear optics, integrated optics
(230.4480) Optical devices : Optical amplifiers
ToC Category:
Optical Devices
History
Original Manuscript: July 7, 2010
Revised Manuscript: August 22, 2010
Manuscript Accepted: August 22, 2010
Published: September 15, 2010
Citation
Ivan D. Rukhlenko and Malin Premaratne, "Spectral compression and group delay of optical pulses in silicon Raman amplifiers," Opt. Lett. 35, 3138-3140 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-18-3138
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