Ultrafast all-optical switches based on intersubband transitions for Tb/s operation

Jahan M. Dawlaty; Farhan Rana; William J. Schaff

doi:10.1117/12.571436

25 October 2004 Ultrafast all-optical switches based on intersubband transitions for Tb/s operation

Jahan M. Dawlaty, Farhan Rana, William J. Schaff

Proceedings Volume 5597, Nanophotonics for Communication: Materials and Devices; (2004) https://doi.org/10.1117/12.571436
Event: Optics East, 2004, Philadelphia, Pennsylvania, United States

Abstract

Theoretical and experimental results on ultra-fast all-optical switches based on intersubband transitions for Tb/s operation are presented. Designs for engineering intersubband transitions (ISBT) in GaN/AlN quantum wells near communication wavelengths (~1.55 μm) and for realizing all-optical switches requiring small pulse energies are discussed. Optimized designs show all-optical switching at Tb/s data rates with pulse energies as small as 200 fJ. Experimental realization of narrow line-width ISBT in GaN/AlN superlattices is also demonstrated.

Citation Download Citation

Jahan M. Dawlaty, Farhan Rana, and William J. Schaff "Ultrafast all-optical switches based on intersubband transitions for Tb/s operation", Proc. SPIE 5597, Nanophotonics for Communication: Materials and Devices, (25 October 2004); https://doi.org/10.1117/12.571436

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