Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Guoliang Li0
Changyi Li0
Majid Sodagar0
Wenyi Wang0
Murtaza Askari0
John Dallesasse0
Stephen B. Krasulick0
Yi Wang0
Date of Patent
June 11, 2024
0Patent Application Number
173149910
Date Filed
May 7, 2021
0Patent Citations
...
Patent Primary Examiner
Patent abstract
A polarization-independent, optical circulator is formed in silicon photonics. The polarization-independent, optical circulator uses an optical splitter having two couplers and two waveguides joining the two couplers. One of the two waveguides is thinner than the other to create a large effective index difference between TE and TM modes transmitted through the one waveguide. Polarization rotators, including reciprocal and/or non-reciprocal rotators, are further used to create the optical circulator.
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