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Proceedings Paper

Ultrafast measurements of carrier transport optical nonlinearities in a GaAs/AlGaAs MQW SEED device
Author(s): Choong-Bum Park; Patrick LiKamWa; Alan Miller
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Paper Abstract

We have measured carrier sweep-out times as a function of electric field applied perpendicular to GaAs/AlGaAs multiple quantum wells at different pump power levels in picosecond pump- probe experiments. Resonant tunneling was observed at 5V at low pump pulse energies. At higher excitation levels, the effects of space charge build-up were found to significantly alter the transient nonlinear optical response due to changes in the time constants associated with vertical carrier transport in the screened field.

Paper Details

Date Published: 1 September 1991
PDF: 10 pages
Proc. SPIE 1474, Optical Technology for Signal Processing Systems, (1 September 1991); doi: 10.1117/12.44905
Show Author Affiliations
Choong-Bum Park, CREOL/Univ. of Central Florida (United States)
Patrick LiKamWa, CREOL/Univ. of Central Florida (United States)
Alan Miller, CREOL/Univ. of Central Florida (United States)


Published in SPIE Proceedings Vol. 1474:
Optical Technology for Signal Processing Systems
Mark P. Bendett, Editor(s)

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