Patent ID: 11888527
Assignee: CISCO TECHNOLOGY, INC.
Field: Telecommunications (Electrical engineering)
Classification: CPC H | IPC H

Claim 12:
13. A method comprising:
emitting, by an optical source, an optical signal, wherein the optical source comprises a polarization controller;
carrying, by an optical fiber, the optical signal from the optical source to an integrated circuit, wherein the integrated circuit comprises a first polarization beam splitter and a mirror;
splitting, by the first polarization beam splitter, the optical signal at the integrated circuit into a transverse electric component and a transverse magnetic component;
reflecting, by the mirror, the transverse magnetic component of the optical signal through the optical fiber to the optical source;
directing, by a second polarization beam splitter, the transverse magnetic component to a photodiode;
converting, by the photodiode, the transverse magnetic component into an electrical signal; and
adjusting, by the polarization controller and based on the electrical signal, the optical signal emitted from the optical source such that the transverse magnetic component is reduced.