Optical beams

US9885938B2 · kind B2 · utility

Assignee

• NOKIA TECHNOLOGIES OY · FI

Inventors

• David Bitauld · Cambridge, GB
• Antti Niskanen · Cambridge, GB

Key dates

• Filing date: Jul 30, 2013
• Grant date: Feb 6, 2018
• Expiry date: Jul 30, 2033

Classification

• Technology area (CPC —): General

Abstract

Apparatuses and methods for producing and/or receiving an optical beam are disclosed, A phased array on a chip comprises phase shifters and off-chip couplers to provide phase controlled pixels. An optical system is arranged in front of the phased array. The optical system is configured to concentrate light from the phased array and/or expand a received beam of light for input into the phased array.