Patent ID: 8494315
Filing Date: 2013-07-23
Classification: B29D,B82Y,G02B,G11B

Abstract:
1. An apparatus, comprising: a multilayered structure having a substrate layer, a first core layer, a first cladding layer, a second cladding layer, a second core layer, and a third cladding layer, wherein: a first optical waveguide having a first core and a first cladding, wherein: a second optical waveguide having a second core and a second cladding, wherein: an optical coupler optically coupling the first and second waveguides, wherein the optical coupler comprises a portion of the first cladding layer; and a waveguide grating being adapted to transfer optical power between one or more waveguide modes of the second waveguide and an optical beam formed by or applied to the waveguide grating, wherein the waveguide grating comprises a portion of the second core layer.