Midinfrared pulse generation and application in high-speed measurement of a GaAs/Al0.2Ga0.8As quantum well infrared detector

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 Jr.; Venkat S. Swaminathan

doi:10.1117/12.175869

16 May 1994 Mid-infrared pulse generation and application in high-speed measurement of a GaAs/Al0.2Ga0.8As quantum well infrared detector

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 Jr., Venkat S. Swaminathan

Author Affiliations +

Proceedings Volume 2116, Generation, Amplification, and Measurement of Ultrashort Laser Pulses; (1994) https://doi.org/10.1117/12.175869
Event: OE/LASE '94, 1994, Los Angeles, CA, United States

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/Al_0.2Ga_0.8As 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.

Citation Download Citation

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 Jr., and Venkat S. Swaminathan "Mid-infrared pulse generation and application in high-speed measurement of a GaAs/Al0.2Ga0.8As quantum well infrared detector", Proc. SPIE 2116, Generation, Amplification, and Measurement of Ultrashort Laser Pulses, (16 May 1994); https://doi.org/10.1117/12.175869

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