Multi-mode interference optical waveguide device

Details Multi-mode interference optical waveguide device Multi-mode interference optical waveguide device

2006-07-04

2006-07-04

Font, Frank G. (Department: 2883)

Optical waveguides

With optical coupler

Particular coupling function

C385S130000, C385S132000

Reexamination Certificate

active

07072542

ABSTRACT:
A multi-mode interference (MMI) device, comprising a hollow core multi-mode waveguide optically coupled to at least one hollow core input waveguide, is described in which the internal surfaces of the hollow core waveguides carry a reflective coating. The coating may be a low refractive index material at the wavelength of operation, such as a metal, or a multiple layer dielectric stack. Resonators and optical amplifiers using such (MMI) devices are also described.

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