An integratable polarization-independent tunable filter for WDM systems: the multigrating filter

After a review of the design principles, we present new experimental and theoretical results about the multigrating filter (MGF), a tunable channel selection filter for wavelength division multiplexed (WDM) transmission systems. Bit error rates mere measured at 2.5 Gb/s for single- and multichannel...

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Bibliographic Details
Published in:Journal of lightwave technology 1996-12, Vol.14 (12), p.2719-2735
Main Authors: Weber, J.-P., Stoltz, B., Sano, H., Dasler, M., Oberg, O., Waltz, J.
Format: Article
Language:English
Subjects:
Applied sciences
Bit error rate
Circuit properties
Electric variables measurement
Electric, optical and optoelectronic circuits
Electronics
Exact sciences and technology
Filters
Integrated optics. Optical fibers and wave guides
Operational amplifiers
Optical amplifiers
Optical and optoelectronic circuits
Optical polarization
Packaging
Stimulated emission
Wavelength division multiplexing
Wavelength measurement
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Summary:After a review of the design principles, we present new experimental and theoretical results about the multigrating filter (MGF), a tunable channel selection filter for wavelength division multiplexed (WDM) transmission systems. Bit error rates mere measured at 2.5 Gb/s for single- and multichannel operation of a packaged polarization independent four-channel MGF with integrated amplifiers. The single-channel results are compared with theory. A monolithic tunable channel dropping component has also been fabricated by integrating two MGF's, a splitter, and amplifiers. Bit error rates measurements are presented for optical (at 2.5 Gb/s) and electrical on-chip (at 622 Mb/s) channel dropping in single- and multichannel operation.
ISSN:0733-8724
1558-2213
DOI:10.1109/50.545791