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Intersubband-transition-induced phase matching

Almogy, Gilad and Segev, Mordechai and Yariv, Amnon (1994) Intersubband-transition-induced phase matching. Optics Letters, 19 (16). pp. 1192-1194. ISSN 0146-9592.

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We suggest the use of the refractive-index changes associated with the intersubband transitions in quantum wells for phase matching in nonlinear materials. An improvement in the conversion efficiency of mid-IR second-harmonic generation by almost 2 orders of magnitude over non-phase-matched bulk GaAs is predicted. We also show that the linear phase contributions of intersubband transitions used for resonant enhancement of second-harmonic generation must be considered, as they could limit the conversion efficiency by increasing the phase mismatch on one hand or offset the bulk's dispersion and lead to phase matching on the other.

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Additional Information:© 1994 Optical Society of America Received March 10, 1994 This research was conducted with the support of the Defense Advanced Research Projects Agency.
Issue or Number:16
Record Number:CaltechAUTHORS:ALMol94a
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:2875
Deposited By: Archive Administrator
Deposited On:04 May 2006
Last Modified:02 Oct 2019 22:57

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