Voltage-controllable laser output coupler for integrated photonic devices

Alex Fuerbach (Inventor), Christoph Wieschendorf (Inventor), Francois Ladouceur (Inventor), Leonardo Silvestri (Inventor)

Research output: Patent

Abstract

A voltage-controllable output coupler for a laser, comprising: a liquid crystal cell that provides a change in birefringence in response to an applied voltage; and a polariser oriented with respect to the liquid crystal cell to collectively form a variable reflectance mirror for the laser; wherein output coupling of the laser is controllable by applying voltage to the liquid crystal cell for a switching interval to switch the variable reflectance mirror from high reflectance to low reflectance, and vice versa, thus actively Q-switching or cavity dumping the laser.

Original languageEnglish
Patent numberUS20190229490
IPCH01S 3/115,C09K 11/77,H01S 3/11,H01S 3/106,G02F 1/141,H01S 3/067
Priority date9/06/16
Publication statusSubmitted - 25 Jul 2019

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