Wavelength-tuneable add/drop multiplexer using broadband transmission filters and a narrowband reflection filter

Ronnie Kritzinger; André Booysen

doi:10.1117/12.786013

16 May 2008 Wavelength-tuneable add/drop multiplexer using broadband transmission filters and a narrowband reflection filter

Ronnie Kritzinger, André Booysen

Author Affiliations +

Proceedings Volume 7004, 19th International Conference on Optical Fibre Sensors; 70042O (2008) https://doi.org/10.1117/12.786013
Event: 19th International Conference on Optical Fibre Sensors, 2008, Perth, WA, Australia

Abstract

We present an optical add/drop multiplexing device utilising a pair of broadband transmission filters and a narrowband reflection filter, designed for operation in a dense wavelength-division multiplexing network. Evanescent field coupling in an optical fibre-based cladding-mode coupler allow broadband light to be transferred between two fibres containing non-uniform long-period fibre gratings. An erbium-doped fibre amplifier was used to restore the power level of the output signal obtained from the cladding-mode coupler, to its original level. A tuneable Bragg grating is used to select a specific wavelength channel from the broadband light routed through the cladding-mode coupler, and is able to work over a linear tuning range of 5.3 nm, covering ~13% of the C-band.

Citation Download Citation

Ronnie Kritzinger and André Booysen "Wavelength-tuneable add/drop multiplexer using broadband transmission filters and a narrowband reflection filter", Proc. SPIE 7004, 19th International Conference on Optical Fibre Sensors, 70042O (16 May 2008); https://doi.org/10.1117/12.786013

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