Title :
Compact all-fibre wavelength drop and insert filter
Author :
Cullen, T.J. ; Chew, C.P. ; Baker, S.R. ; Bricheno, T. ; Byron, K.C. ; Fielding, A.
Author_Institution :
BNR Eur. Ltd., Harlow
fDate :
12/8/1994 12:00:00 AM
Abstract :
A compact all-fibre design, composing two identical Bragg gratings written on to the arms of a fused fibre Mach-Zehnder interferometer, has been used to produce a low-loss wavelength drop and insert filter for wavelength division multiplexing/demultiplexing applications in optical fibre communication systems. A prototype device has been produced which can multiplex/demultiplex a signal centred on 1558.7 nm with any other wavelength in the 1550 nm transmission window with a maximum insertion loss of 1.0 dB
Keywords :
Mach-Zehnder interferometers; demultiplexing equipment; diffraction gratings; interference filters; optical communication equipment; optical fibre communication; wavelength division multiplexing; 1 dB; 1550 to 1558.7 nm; Bragg gratings; WDM applications; compact all-fibre design; fused fibre Mach-Zehnder interferometer; low-loss filter; optical fibre communication systems; wavelength division demultiplexing; wavelength division multiplexing; wavelength drop/insert filter;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19941471
