Multiwavelength Bragg gratings and their application to optical MUX/DEMUX devices

A concept of synergetic multiwavelength Bragg gratings as a platform for planar integrated optical devices is proposed and used to make a planar multiplexer/demultiplexer for wavelength-division multiplexing. In first experiments, the devices with 4-16 channels were made on SiON planars with single-...

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Bibliographic Details
Published in:IEEE photonics technology letters 2003-03, Vol.15 (3), p.410-412
Main Authors: Yankov, V., Babin, S., Ivonin, I., Goltsov, A., Morozov, A., Polonskiy, L., Spector, M., Talapov, A., Kley, E.-B., Schmidt, H.
Format: Article
Language:English
Subjects:
Bandwidth
Bragg gratings
Custom designed
Demultiplexing
Devices
Diffraction gratings
Lithography
Multiplexing
Optical devices
Optical waveguides
Periodic structures
Photonic band gap
Photonic band gaps
Planar waveguides
Silicon oxynitride
Transfer functions
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Summary:A concept of synergetic multiwavelength Bragg gratings as a platform for planar integrated optical devices is proposed and used to make a planar multiplexer/demultiplexer for wavelength-division multiplexing. In first experiments, the devices with 4-16 channels were made on SiON planars with single-layer lithography. Almost flat-top transfer function and 28-dB isolation were achieved for a four-channel device. The gratings with custom designed bandgaps could be also used to connect multiple optical devices in lightwave integrated circuits.
ISSN:1041-1135
1941-0174
DOI:10.1109/LPT.2002.807915