Photonic crystal waveguides and systems using such waveguides

Optical waveguides – Optical fiber waveguide with cladding – Utilizing multiple core or cladding

Reexamination Certificate

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C385S123000, C385S124000, C385S125000, C385S128000, C385S100000, C385S037000

Reexamination Certificate

active

10978330

ABSTRACT:
In general, in one aspect, the invention features a waveguide that includes a core extending along a waveguide axis and a confinement region surrounding the core. The confinement region includes a spiral portion and a non-spiral portion, wherein the spiral portion and the non-spiral portion extend along the waveguide axis.

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