Title :
Athermal and center wavelength adjustable arrayed-waveguide grating
Author :
Maru, K. ; Ohkawa, M. ; Nounen, H. ; Takasugi, S. ; Kashimura, S. ; Okano, H. ; Uetsuka, H.
Author_Institution :
Optoelectron. Syst. Lab., Hitachi Cable Ltd., Ibaraki, Japan
Abstract :
Athermal and center wavelength adjustable AWGs with flat-top spectral responses are proposed. Low temperature sensitivity /spl sim/0.0013 nm//spl deg/C and precise center wavelength control less than 0.02 nm are demonstrated without additional loss and crosstalk penalty.
Keywords :
diffraction gratings; multiplexing equipment; optical communication equipment; optical planar waveguides; wavelength division multiplexing; WDM; Y-branches; athermal arrayed-waveguide grating; center wavelength adjustable; flat-passband loss; flat-top spectral response; low temperature sensitivity; precise center wavelength control; temperature dependence; Arrayed waveguide gratings; Optical losses; Optical waveguides; Phase change materials; Phased arrays; Refractive index; Shape; Slabs; Temperature dependence; Temperature sensors;
Conference_Titel :
Optical Fiber Communication Conference, 2000
Conference_Location :
Baltimore, MD, USA
Print_ISBN :
1-55752-630-3
DOI :
10.1109/OFC.2000.868262
