LOW-POWER, ALL-OPTICAL NONLINEAR ABSORPTION IN ASYMMETRIC DOUBLE QUANTUM-WELLS

P DAWSON, I GALBRAITH, A I KUCHARSKA, C T FOXON

Research output: Contribution to journalArticlepeer-review

Abstract

We demonstrate all-optical nonlinearities at low cw pump powers (50 W/cm2) using a novel heterostructure design which spatially separates photoexcited electron-hole pairs. Theoretical calculations based on many-body interactions are in good agreement with the measured spectra.

Original languageEnglish
Pages (from-to)2889-2891
Number of pages3
JournalApplied Physics Letters
Volume58
Issue number25
Publication statusPublished - 24 Jun 1991

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