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Proceedings Paper

Midinfrared pulse generation and application in high-speed measurement of a GaAs/Al0.2Ga0.8As quantum well infrared detector
Author(s): Philippe C. Becker; Miriam R. de Barros; Thomas M. Jedju; Rubens S. Miranda; Lawrence C. West; Jason P. Dunkel; Charles W. Roberts; J. W. Stayt; Venkat S. Swaminathan
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Paper Abstract

Short infrared pulses have been generated by nonlinear mixing of the wavelengths from a two color femtosecond modelocked Ti:Sapphire laser. The pulses can be tuned from 7 to 12 micrometers and are used to perform a direct measurement of the speed of a GaAs/Al0.2Ga0.8As quantum well infrared photodetector. The electrical response of the detector has rise and decay times of less than 95 ps and the FWHM is 115 ps.

Paper Details

Date Published: 16 May 1994
PDF: 9 pages
Proc. SPIE 2116, Generation, Amplification, and Measurement of Ultrashort Laser Pulses, (16 May 1994); doi: 10.1117/12.175869
Show Author Affiliations
Philippe C. Becker, AT&T Bell Labs. (Japan)
Miriam R. de Barros, AT&T Bell Labs. (United States)
Thomas M. Jedju, AT&T Bell Labs. (United States)
Rubens S. Miranda, UNICAMP (Brazil)
Lawrence C. West, AT&T Bell Labs. (United States)
Jason P. Dunkel, AT&T Bell Labs. (United States)
Charles W. Roberts, AT&T Bell Labs. (United States)
J. W. Stayt, AT&T Bell Labs. (United States)
Venkat S. Swaminathan, AT&T Bell Labs. (United States)


Published in SPIE Proceedings Vol. 2116:
Generation, Amplification, and Measurement of Ultrashort Laser Pulses
Rick P. Trebino; Ian A. Walmsley, Editor(s)

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