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Coherent control of free-carrier density in GaAs

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5 Author(s)
Fraser, J.M. ; Dept. of Phys., Toronto Univ., Ont., Canada ; Atanasov, R. ; Kostoulas, Y. ; Sipe, J.E.
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Summary form only given.Coherent control is the exploitation of interference between two or more optically excited quantum mechanical pathways to manipulate the final state of a physical system. Recently it has been used to control exciton populations in GaAs-AlGaAs quantum wells at 4 K via phase-related 805-nm 100-fs pulses and to generate electrical current in bulk GaAs at 295 K via 1.55 /spl mu/m and 0.775 /spl mu/m, 175 to 1000-fs pulses. We consider here the coherent control of electron-hole density in GaAs at 295 K via the interference of single- and two-photon band-to-band generation processes.

Published in:

Quantum Electronics Conference, 1998. IQEC 98. Technical Digest. Summaries of papers presented at the International

Date of Conference:

8-8 May 1998