Title :
Grating coupler for mid-infrared silicon-on-sapphire waveguide
Author :
Chen, X. ; Li, C. ; Tsang, H.K.
Author_Institution :
Dept. of Electron. Eng., Chinese Univ. of Hong Kong, Hong Kong, China
Abstract :
Silicon dioxide has very high optical loss at mid-infrared wavelengths. Here we describe the first shallow-etched grating coupler for a silicon-on-sapphire waveguide at mid-infrared wavelengths, verified with a Er/Pr co-doped ZBLAN fiber laser (2.75 mum wavelength).
Keywords :
aluminium compounds; barium compounds; diffraction gratings; erbium; fibre lasers; optical couplers; optical planar waveguides; praseodymium; sapphire; silicon-on-insulator; sodium compounds; zirconium compounds; Si-Al2O3; ZBLAN:Er,Pr; coupling efficiency; fiber laser; grating coupler; mid-infrared wavelength; shallow etching; silicon-on-sapphire waveguide; wavelength 2.75 mum; Erbium; Erbium-doped fiber lasers; Gratings; Laser excitation; Optical coupling; Optical fiber couplers; Optical waveguides; Pump lasers; Silicon; Waveguide lasers;
Conference_Titel :
OptoElectronics and Communications Conference, 2009. OECC 2009. 14th
Conference_Location :
Hong Kong
Print_ISBN :
978-1-4244-4102-0
Electronic_ISBN :
978-1-4244-4103-7
DOI :
10.1109/OECC.2009.5222623
