Integrated-optic Demultiplexer for Variable Capacity Optical OFDM Signals Composed of Slab Star Coupler-type Optical DFT Circuit and Variable Optical Attenuators

Conference: ECOC 2016 - 42nd European Conference on Optical Communication
09/18/2016 - 09/22/2016 at Düsseldorf, Deutschland

Proceedings: ECOC 2016

Pages: 3Language: englishTyp: PDF

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Takiguchi, Koichi (Department of Electrical and Electronic Engineering, Ritsumeikan University, 1-1-1 Noji-higashi, Kusatsu, Shiga, 525-8577 Japan)

I report a novel waveguide-type OFDM filter that can adaptively demultiplex 10 to 50 Gbaud symbol rate sub-carrier channels. It was fabricated with silica waveguide technology and the adoption of variable attenuators reduced loss variation when changing the filter characteristics.