Tapered mmi coupler

Details Tapered mmi coupler Tapered mmi coupler

G - Physics

02

B

G02B 6/26 (2006.01) G02B 6/34 (2006.01) H04J 14/02 (2006.01) G02B 6/28 (2006.01)

Patent

CA 2307437

A wavelength demultiplexer having a substantially flat output response within its passband is disclosed. The demultiplexer comprises a first wavelength demultiplexer optically coupled to a second wavelength demultiplexer. The first wavelength demultiplexer has a free spectral range approximately equal to channel spacing of the second wavelength demultiplexer thereby providing the substantially flat output response within the passband. The first wavelength demultiplexer is an MMI-phasar having a tapered MMI coupler.

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