Multiple channel wavelength division multiplexer/demultiplexer

Details Multiple channel wavelength division multiplexer/demultiplexer Multiple channel wavelength division multiplexer/demultiplexer

G - Physics

02

B

363/1.8

G02B 6/34 (2006.01)

Patent

CA 1275512

MULTIPLE CHANNEL WAVELENGTH DIVISION MULTIPLEXER/DEMULTIPLEXER ABSTRACT: A sequential configuration of log2n stages of birefringent elements are set forth. Each stage has a transfer function approximating a square wave, and successive stages have half periods. An input beam with n wavelength components would be demultiplexed into 2, 4 and finally n output beams at the output of the first, second, and log2n stages, each output beam containing only one wavelength. Successive stages consist of two polarizing beam splitters between which is located their appropriate length of birefringent element to achieve the desired transfer function.

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