Title :
Engineering intersubband nonlinearities in GaN/AlGaN coupled quantum wells for optimised performance in wide bandwidth applications
Author :
Sun, Greg ; Khurgin, Jacob B. ; Soref, Richard A.
Author_Institution :
Dept. of Phys., Massachusetts Univ., Boston, MA, USA
Abstract :
We investigate nonlinear optical properties of coupled GaN/AlGaN quantum wells and show that one can engineer the response time and nonlinear phase shift within wide limits and thus achieve optimised performance for a given symbol rate.
Keywords :
aluminium compounds; gallium compounds; nonlinear optics; optical materials; semiconductor quantum wells; wide band gap semiconductors; GaN-AlGaN; GaN/AlGaN coupled quantum wells; intersubband nonlinearities; nonlinear optical properties; nonlinear phase shift; response time; Aluminum gallium nitride; Bandwidth; Couplings; Delay; Fiber nonlinear optics; Gallium nitride; Nonlinear optical devices; Nonlinear optics; Optical sensors; Optical wavelength conversion;
Conference_Titel :
Lasers and Electro-Optics, 2005. (CLEO). Conference on
Print_ISBN :
1-55752-795-4
DOI :
10.1109/CLEO.2005.202378