A low loss 4-channel wavelength demultiplexer based on fibre Bragg gratings

H.N. Rourke,S.R. Baker,V. Baker,R.S. Baulcomb,K.C. Byron,S.J. Clements,T.J. Cullen,Sandra Davis,Alan Fielding,D. Goodchild

A low loss 4-channel wavelength demultiplexer based on fibre Bragg gratings

1996

H.N. Rourke
S.R. Baker
V. Baker
R.S. Baulcomb
K.C. Byron
S.J. Clements
T.J. Cullen
Sandra Davis
Alan Fielding
D. Goodchild

Closer channel spacings in WDM systems demand a filter technology which can provide the required bandpass and isolation. We describe a high performance 4-channel device based on fused fibre Mach-Zehnders and UV written gratings.

Keywords:

Mach–Zehnder interferometer
Optics
Electronic engineering
Optical fiber
Engineering
Diffraction grating
Wavelength
Communication channel
Wavelength-division multiplexing
Channel spacing
Band-pass filter

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