Search International and National Patent Collections

1. (WO2018102464) ADIABATIC POLARIZATION ROTATOR-SPLITTER

Pub. No.:    WO/2018/102464    International Application No.:    PCT/US2017/063801
Publication Date: Fri Jun 08 01:59:59 CEST 2018 International Filing Date: Thu Nov 30 00:59:59 CET 2017
IPC: G02B 6/126
G02B 6/14
Applicants: FINISAR CORPORATION
Inventors: PARK, Bryan
YONG, Zheng
POON, Joyce, Kai See
Title: ADIABATIC POLARIZATION ROTATOR-SPLITTER
Abstract:
Various polarization rotator splitter (PRS) configurations are disclosed. In an example embodiment, a system includes a PRS that includes a silicon nitride (SiN) rib waveguide core that includes a rib and a ridge that extends vertically above the rib, the SiN rib waveguide core having a total height hsiN from a bottom of the rib to a top of the ridge, a rib height hrib from the bottom of the rib to a top of the rib, a rib width Wrib, and a top width wsiN of the ridge. The rib width Wrib varies along at least a portion of a length of the SiN rib waveguide core.