Title :
Intersubband nonlinear optical processes in GaN/AlN quantum-well waveguides
Author :
Li, Yan ; Bhattacharyya, Anirban ; Thomidis, Christos ; Moustakas, Theodore D. ; Paiella, Roberto
Author_Institution :
Dept. of Electr. & Comput. Eng., Boston Univ., Boston, MA
Abstract :
We demonstrate ultrafast self- and cross-absorption saturation and self-phase modulation based on near-infrared intersubband transitions in GaN/AlN quantum-well waveguides designed to minimize the nonlinear switching energy.
Keywords :
III-V semiconductors; aluminium compounds; gallium compounds; optical saturable absorption; optical switches; optical waveguides; self-phase modulation; semiconductor quantum wells; wide band gap semiconductors; GaN-AlN; intersubband nonlinear optical processes; near-infrared intersubband transitions; nonlinear switching energy; quantum-well waveguides; self-phase modulation; ultrafast cross-absorption saturation; ultrafast self-absorption saturation; Fiber nonlinear optics; Gallium nitride; Nonlinear optics; Optical modulation; Optical saturation; Optical signal processing; Optical waveguides; Pulse modulation; Quantum wells; Ultrafast optics; (190.5970) Semiconductor nonlinear optics including MQW; (230.7370) Waveguides;
Conference_Titel :
Lasers and Electro-Optics, 2008 and 2008 Conference on Quantum Electronics and Laser Science. CLEO/QELS 2008. Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-55752-859-9
