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Wavelength Selective distributed Coupling Between Single Mode Optical Fibers for Multiplexing by O. Parriaux; F. Bernoux; G. Chartier is a Engineering article available to read on EtoBox.
What is Wavelength Selective distributed Coupling Between Single Mode Optical Fibers for Multiplexing about?
The design of a (demultiplexer using distributed coupling between two step index single mode fibers of different dispersion characteristics is presented. The required fiber properties can easily be provided by modem single mode fiber technology. It is shown that this simple, low loss coupling technique allows the multiplexing of a tens of channels in the 1.25 um-1.6 um wavelength range with a 20 dB inter-channel isolation. The influence of the parameters of the structure on its filtering properties is discussed. introduced in a distributed coupling between two bent parallel fibers [6], but not enough for multiplexing a few channels in a restricted frequency band. The selectivity required in wavelength multiplexing for optical communications is actually rather low. The spectral width of semiconductor lasers is broad and strongly depends on temperature. It is presently admitted that a spectral distance of SO nm between channels is a reasonable figure in the wavelength range of interest. We show here that such a requirement can be matched by a fiber directional coupler consisting of two polished single mode fibers of different dispersion characteristics, placed along each other, using
Who reads Wavelength Selective distributed Coupling Between Single Mode Optical Fibers for Multiplexing?
It is typically read by researchers, students, and practitioners in Engineering.
- Author
- O. Parriaux; F. Bernoux; G. Chartier
- Publisher
- Walter de Gruyter GmbH
- Published
- 1981
- Language
- EN
- Field
- Engineering (Physical Sciences)