Title :
All-fibre acousto-optic tunable filter based on a null coupler
Author :
Culverhouse, D.O. ; Yun, S.H. ; Richardson, D.J. ; Birks, T.A. ; Farwell, S.G. ; Russell, P. St J
Author_Institution :
Optoelectron. Res. Centre, Southampton Univ., UK
Abstract :
Tunable acousto-optic spectral filters based on null couplers have been improved by making the coupler more uniform. A new double-pass arrangement further narrows the bandwidth, reduces the sidelobes to -20 dB and doubles the frequency shift.
Keywords :
acousto-optical filters; optical communication equipment; optical fibre couplers; optical fibre filters; tuning; wavelength division multiplexing; all-fibre acousto-optic tunable filter; double-pass arrangement; frequency shift; null coupler; sidelobes; tunable acousto-optic spectral filters;
Conference_Titel :
Optical Communication, 1996. ECOC '96. 22nd European Conference on
Conference_Location :
Oslo, Norway
Print_ISBN :
82-423-0418-1
