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

2002

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:

PHOSFOS
Fiber Bragg grating
Optical add-drop multiplexer
Demultiplexer
Wavelength
Fiber
Subwavelength-diameter optical fibre
Optics
Materials science
Electronic engineering
Communication channel
Band-pass filter
Diffraction grating
Wavelength-division multiplexing
Channel spacing

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