Type II InAs/GaSb superlattice focal plane arrays for high-performance third generation infrared imaging and free-space communications

Manijeh Razeghi; Andrew Hood; Allan Evans

doi:10.1117/12.712783

9 March 2007 Type II InAs/GaSb superlattice focal plane arrays for high-performance third generation infrared imaging and free-space communications

Manijeh Razeghi, Andrew Hood, Allan Evans

Author Affiliations +

Proceedings Volume 6476, Optoelectronic Integrated Circuits IX; 64760Q (2007) https://doi.org/10.1117/12.712783
Event: Integrated Optoelectronic Devices 2007, 2007, San Jose, California, United States

Abstract

Free-space optical communications has recently been touted as a solution to the "last mile" bottleneck of high speed data networks providing highly secure, short to long range, and high bandwidth connections. However, commercial near infrared systems experience atmospheric scattering losses and scintillation effects which can adversely affect a link's uptime. By moving the operating wavelength into the mid or long wavelength infrared enhanced link uptimes and increased range can be achieved due to less susceptibility atmospheric affects. The combination of room temperature, continuous wave' high power quantum cascade lasers and high operating temperature type II superlattice photodetectors offers the benefits of mid and long wavelength infrared systems as well as practical operating conditions.

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Manijeh Razeghi, Andrew Hood, and Allan Evans "Type II InAs/GaSb superlattice focal plane arrays for high-performance third generation infrared imaging and free-space communications", Proc. SPIE 6476, Optoelectronic Integrated Circuits IX, 64760Q (9 March 2007); https://doi.org/10.1117/12.712783

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