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Optica Publishing Group
  • Conference on Lasers and Electro-Optics/International Quantum Electronics Conference
  • OSA Technical Digest (CD) (Optica Publishing Group, 2009),
  • paper IMH5
  • https://doi.org/10.1364/IQEC.2009.IMH5

Two-photon detection in a MQW GaAs laser at 1.55µm

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Abstract

We report the first demonstration of two-photon photocurrent in a GaAs/AlGaAs multiple quantum well laser at 1.55 µm. We measure the device efficiency, sensitivity, as well as the two-photon absorption coefficient. The results show that the device has a strong potential for signal processing, autocorrelation and possibly two-photon source applications at sub-Watt power levels.

© 2009 Optical Society of America

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