Title :
GaN/AlN Nonlinear Optical Waveguides for Ultrafast Intersubband All-Optical Switching
Author :
Li, Yan ; Bhattacharyya, Anirban ; Thomidis, Christos ; Moustakas, Theodore D. ; Paiella, Roberto
Author_Institution :
Boston Univ., Boston
Abstract :
We demonstrate self- and cross-absorption modulation based on near-infrared intersubband transitions in GaN/AlN quantum-well waveguides with record low values of the required absorption saturation power.
Keywords :
III-V semiconductors; aluminium compounds; gallium compounds; high-speed optical techniques; optical saturable absorption; optical switches; optical waveguides; semiconductor quantum wells; wide band gap semiconductors; GaN-AlN; absorption saturation power; cross-absorption modulation; near-infrared intersubband transitions; nonlinear optical waveguides; quantum-well waveguides; self-absorption modulation; ultrafast intersubband all-optical switching; Absorption; Gallium nitride; Nonlinear optics; Optical modulation; Optical recording; Optical saturation; Optical waveguides; Quantum wells; Ultrafast optics; Waveguide transitions;
Conference_Titel :
Lasers and Electro-Optics Society, 2007. LEOS 2007. The 20th Annual Meeting of the IEEE
Conference_Location :
Lake Buena Vista, FL
Print_ISBN :
978-1-4244-0925-9
Electronic_ISBN :
1092-8081
DOI :
10.1109/LEOS.2007.4382697
