The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 14, 2023
Filed:
Dec. 02, 2021
Rockley Photonics Limited, Altrincham, GB;
James Dongyoon Oh, Alhambra, CA (US);
Hooman Abediasl, Thousand Oaks, CA (US);
Gerald Cois Byrd, Shadow Hills, CA (US);
Karlheinz Muth, Richardson, TX (US);
Yi Zhang, Pasadena, CA (US);
Aaron John Zilkie, Pasadena, CA (US);
Rockley Photonics Limited, Altrincham, GB;
Abstract
An optoelectronic device, including: a rib waveguide, the rib waveguide including: a ridge portion, which includes a temperature-sensitive optically active region, and a slab portion, positioned adjacent to the ridge portion; the device further comprising a heater, disposed on top of the slab portion wherein a part of the heater closest to ridge portion is at least 2 μm away from the ridge portion. The device may also have a heater provided with a bottom cladding layer, and may also include various thermal insulation enhancing cavities.