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Highly nondegenerate four-wave mixing and gain nonlinearity in a strained multiple-quantum-well optical amplifier

Zhou, Jianhui and Park, Namkyoo and Dawson, Jay W. and Vahala, Kerry J. and Newkirk, Michael A. and Koren, Uziel and Miller, Barry I. (1993) Highly nondegenerate four-wave mixing and gain nonlinearity in a strained multiple-quantum-well optical amplifier. Applied Physics Letters, 62 (19). pp. 2301-2303. ISSN 0003-6951. http://resolver.caltech.edu/CaltechAUTHORS:ZHOapl93a

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Abstract

Highly nondegenerate four-wave mixing was investigated in a 1.5 µm compressively strained multi-quantum-well semiconductor traveling-wave optical amplifier at detuning frequencies up to 600 GHz. A gain nonlinearity with a characteristic relaxation time of 650 fs was determined from the data, and the nonlinear gain coefficient was estimated to be 4.3×10^–23 m^3. Dynamic carrier heating is believed to be the major source of nonlinear gain in this device at the wavelengths investigated.


Item Type:Article
Additional Information:©1993 American Institute of Physics (Received 19 November 1992; accepted 10 March 1993) This work was supported by the Office of Naval Research (Contract No. N00014-91-J-1524) and the Northrop Corp.
Subject Keywords:QUANTUM WELLS; FOUR–WAVE MIXING; GAIN; AMPLIFIERS; SEMICONDUCTOR LASERS; CHARGE CARRIERS; HEATING; INTERNAL STRAINS
Record Number:CaltechAUTHORS:ZHOapl93a
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:ZHOapl93a
Alternative URL:http://dx.doi.org/10.1063/1.109398
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:2201
Collection:CaltechAUTHORS
Deposited By: Archive Administrator
Deposited On:14 Mar 2006
Last Modified:26 Dec 2012 08:47

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