Title :
All-optical switch based on intersubband transition in quantum wells
Author :
Akimoto, R. ; Cong, G.W. ; Nagase, M. ; Mozume, T. ; Lim, C.G. ; Gozu, S. ; Akita, K. ; Hasama, T. ; Ishikawa, H.
Author_Institution :
Network Photonics Res. Center, Nat. Inst. of Adv. Ind. Sci. & Technol., Tsukuba
Abstract :
Ultrafast cross-phase modulation in InGaAs/AlAsSb coupled double quantum wells, where interband dispersion is modulated by intersubband excitation, is applied to a MZI switch demonstrating error-free all-optical demultiplexing of 160-Gb/s OTDM signal to 40-Gb/s.
Keywords :
III-V semiconductors; Mach-Zehnder interferometers; aluminium compounds; demultiplexing; gallium arsenide; high-speed optical techniques; indium compounds; optical fibre communication; optical fibre dispersion; optical modulation; optical switches; phase modulation; semiconductor quantum wells; time division multiplexing; InGaAs-AlAsSb; Mach-Zehnder Interferometer; OTDM signal; all-optical MZI switch; bit rate 160 Gbit/s; bit rate 40 Gbit/s; interband dispersion; intersubband transition; optical demultiplexing; optical fiber communication; optical time division multiplexed signal; quantum well; ultrafast cross-phase modulation; Absorption; Demultiplexing; Indium gallium arsenide; Optical modulation; Optical signal processing; Optical switches; Optical wavelength conversion; Phase modulation; Probes; Signal processing; InGaAs/AlAsSb quantum well; all-optical switch; cross phase modulation; demultiplexing; intersubband transition;
Conference_Titel :
IEEE/LEOS Winter Topicals Meeting Series, 2009
Conference_Location :
Innsbruck
Print_ISBN :
978-1-4244-2610-2
Electronic_ISBN :
978-1-4244-2611-9
DOI :
10.1109/LEOSWT.2009.4771703
