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1. (WO2018004676) ISOTROPIC ETCHED LENS FOR VERTICAL COUPLING OF PHOTONICS CIRCUITS

Pub. No.:    WO/2018/004676    International Application No.:    PCT/US2016/040795
Publication Date: Fri Jan 05 00:59:59 CET 2018 International Filing Date: Sat Jul 02 01:59:59 CEST 2016
IPC: G02B 6/28
G02B 6/122
G02B 6/27
G02B 6/30
Applicants: INTEL CORPORATION
Inventors: FESHALI, Avinash
Title: ISOTROPIC ETCHED LENS FOR VERTICAL COUPLING OF PHOTONICS CIRCUITS
Abstract:
An embodiment includes an apparatus comprising: a silicon layer that includes a concave surface; an aluminum layer on the surface; and a waveguide coupled to the surface; wherein (a) the surface is curved and concave in both vertical and horizontal planes that intersect the surface, and (b) the surface has a horizontal and vertical radii of curvature (ROC) substantially equal to each other. Other embodiments are described herein.