Enhancing slow- and fast-light effects in quantum-dot semiconductor waveguides through ultrafast dynamics
Optics Letters, Vol. 35, Issue 5, pp. 697-699 (2010)
http://dx.doi.org/10.1364/OL.35.000697
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Abstract
We show that ultrafast carrier dynamics plays an important role on slow- and fast-light effects based on coherent population oscillations in quantum-dot semiconductor waveguides. Fast light in the gain regime and slow light in the absorption regime are found to be enhanced at frequencies beyond the usual limits of the carrier lifetime. The effects are investigated by a comprehensive model and are shown to originate from nonequilibrium dynamics within the quantum-dot carrier populations.
© 2010 Optical Society of America
OCIS Codes
(230.4320) Optical devices : Nonlinear optical devices
(230.5590) Optical devices : Quantum-well, -wire and -dot devices
(250.5980) Optoelectronics : Semiconductor optical amplifiers
(270.1670) Quantum optics : Coherent optical effects
ToC Category:
Quantum Optics
History
Original Manuscript: November 6, 2009
Revised Manuscript: January 18, 2010
Manuscript Accepted: January 23, 2010
Published: February 25, 2010
Citation
Yaohui Chen and Jesper Mørk, "Enhancing slow- and fast-light effects in quantum-dot semiconductor waveguides through ultrafast dynamics," Opt. Lett. 35, 697-699 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-5-697
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