Title :
Suppression of crosstalk by apodization of photorefractive transmission grating for wavelength filter
Author :
Suzuki, K. ; Yoshida, H. ; Okamoto, A. ; Honma, S.
Author_Institution :
Grad. Sch. of Inf. Sci. & Technol., Hokkaido Univ., Sapporo
Abstract :
We propose apodization of transmission grating for the wavelength filter controlled by writing beam intensity in photorefractive crystal. The interchannel crosstalk is suppressed by about 6 dB compared with that without apodization.
Keywords :
demultiplexing equipment; holographic gratings; optical communication equipment; optical crosstalk; optical fibre filters; optical images; photorefractive materials; apodization; holographic wavelength filter; interchannel crosstalk suppression; optical demultiplexer; photorefractive crystal; photorefractive transmission grating; writing beam intensity; Crosstalk; Diffraction; Gratings; Holography; Optical filters; Photorefractive effect; Photorefractive materials; Structural beams; Wavelength division multiplexing; Writing; Apodization; photorefractive; suppression of crosstalk; wavelength filter;
Conference_Titel :
Photonics in Switching, 2008. PS 2008. International Conference on
Conference_Location :
Sapporo
Print_ISBN :
978-1-4244-4326-0
Electronic_ISBN :
978-4-8855-2228-4
DOI :
10.1109/PS.2008.4804224
