Title :
Ultrahigh-speed all-optical modulation using intersubband transition quantum well waveguide and its application
Author_Institution :
Photonic Network Group, Nat. Inst. of Inf. & Commun. Technol., Koganei, Japan
fDate :
June 28 2009-July 2 2009
Abstract :
All-optical modulation over ultra-wide wavelength range using intersubband transition (ISBT) quantum well will be presented. This is based on cross-phase modulation (XPM) through the intersubband transition in an InGaAs/AlAsSb coupled quantum well using a linearly polarized pump wave. Optical millimeter wave at 76 GHz has been generated over a wavelength range of 1330 - 1620 nm using sinusoidal-intensity modulated pump. Pumping at a higher modulation rate could be possible, which will have potential application in coherent millimeter to THz wave generation, optical sampling, as well as in optical communications.
Keywords :
III-V semiconductors; aluminium compounds; gallium arsenide; high-speed optical techniques; indium compounds; optical harmonic generation; optical modulation; semiconductor quantum wells; InGaAs-AlAsSb; THz wave generation; cross-phase modulation; frequency 76 GHz; intersubband transition quantum well waveguide; optical communications; optical sampling; sinusoidal-intensity modulated pump; ultrahigh-speed all-optical modulation; wavelength 1330 nm to 1620 nm; High speed optical techniques; Indium gallium arsenide; Nonlinear optics; Optical modulation; Optical pumping; Optical saturation; Optical signal processing; Optical waveguides; Ultrafast optics; Waveguide transitions; cross phase modulation; intersubband transition; quantum well waveguide;
Conference_Titel :
Transparent Optical Networks, 2009. ICTON '09. 11th International Conference on
Conference_Location :
Azores
Print_ISBN :
978-1-4244-4825-8
Electronic_ISBN :
978-1-4244-4827-2
DOI :
10.1109/ICTON.2009.5185317
