公开(公告)号：US07120335B2

公开(公告)日：2006-10-10

申请号：US10141317

申请日：2002-05-08

Applicant: Anuradha M. Agarwal ,  Lionel C. Kimerling ,  Hermann A. Haus ,  Kazumi Wada ,  Steven G. Johnson ,  Christina Manolatou ,  Jurgen Michel ,  Victor Trinh Nguyen

Inventor： Anuradha M. Agarwal ,  Lionel C. Kimerling ,  Hermann A. Haus ,  Kazumi Wada ,  Steven G. Johnson ,  Christina Manolatou ,  Jurgen Michel ,  Victor Trinh Nguyen

IPC: G02B6/26

CPC classification number: G02B6/1228 ,  G02B6/305 ,  G02B2006/12095

Abstract: An on-chip silicon-based optical coupler used to guide light from an optical fiber to a waveguide. The incoming wave is confined vertically by stacks of graded index materials. In the lateral direction, a linear taper formed by etched holes or trenches confines the wave.