Demultiplexing apparatus and optical communication system using

Optical: systems and elements – Deflection using a moving element – Using a periodically moving element

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359124, 359157, 385 24, H04J 1402

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active

053791428

ABSTRACT:
A polarization-independent wavelength demultiplexing apparatus for demultiplexing a light beam of at least one predetermined wavelength, includes a first demultiplexer for demultiplexing the light beam at a predetermined wavelength to obtain a component of the light beam in a first polarization state and second demultiplexer for demultiplexing the light beam at the predetermined wavelength to obtain a component of the light beam in a second polarization state, different from the first polarization state. The first demultiplexer and the second demultiplexer are arranged in a serial manner or in a parallel manner with respect to light transmitted through the demultiplexing structure.

REFERENCES:
patent: 5074634 (1991-12-01), Takahashi

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