Title :
Tunable filter with box-like spectral response for 1.28/1.32 μm duplexer application
Author :
Lupu, A. ; Win, P. ; Sik, H. ; Boulet, P. ; Carre, M. ; Slempkes, S. ; Carenco, A.
Author_Institution :
OPTO, Marcoussis, France
fDate :
1/21/1999 12:00:00 AM
Abstract :
The design and realisation on InP of a meander-type grating-assisted codirectional coupler optical filter exhibiting a 40 nm box-like spectral response with high sidelobe suppression and reduced anisotropy is reported. A thermal tuning range larger than 20 nm is electrically realised
Keywords :
band-pass filters; diffraction gratings; integrated optics; multiplexing equipment; optical directional couplers; optical tuning; optical waveguide filters; 1.28 micron; 1.32 micron; InGaAsP-InP; InP; InP substrate; anisotropy reduction; box-like spectral response; codirectional coupler optical filter; duplexer application; grating-assisted filter; high sidelobe suppression; meander-type; thermal tuning range; tunable filter;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19990131
