Method for making Bragg reflectors for waveguides

Optical waveguides – With optical coupler – Input/output coupler

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385 14, 385 27, 385130, 385131, 437 51, G02B 634, H01L 2170

Patent

active

055009166

ABSTRACT:
A waveguide Bragg reflector is made by forming periodic grooves in either the undercladding or the core, applying a high index coating on the grooved surface and selectively removing the coating from the horizontal surfaces while leaving the coating on the vertical surfaces. The waveguide is then completed.

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R. Adar, et al. "Wide-band Bragg reflectors made with silica on silicon waveguides", Appl. Phys. Lett. No. 60, pp. 1924-1926 (1992) (no month).

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