Spatially-varying distributed Bragg reflectors in optical media

Details Spatially-varying distributed Bragg reflectors in optical media Spatially-varying distributed Bragg reflectors in optical media

1995-10-12

1997-12-02

Dzierzynski, Paul M.

Optical: systems and elements

Diffraction

From grating

359572, 359575, 385 37, G02B 518

Patent

active

056942486

ABSTRACT:
An improved Bragg grating for an optical waveguide comprising a core and a cladding. The grating includes refractive index perturbations formed within the waveguide. It has a bandwidth in reflection having a full width at half-maximum greater than 12 nm, a total intrinsic optical loss less than 0.2 dB, and a total peak optical extinction, measured in transmission, greater than 20 dB.

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