US Patent Issued to Ciena on July 7 for "Fast LOS detection in a coherent optical modem" (Canadian Inventors)

ALEXANDRIA, Va., July 7 -- United States Patent no. 12,676,672, issued on July 7, was assigned to Ciena Corp. (Hanover, Md.).

"Fast LOS detection in a coherent optical modem" was invented by Michael Vitic (Chelsea, Canada), Scott Kuntze (Ottawa), Ronald C. Hartman (Fitzroy Harbour, Canada) and Zhan Xu (Ottawa).

According to the abstract* released by the U.S. Patent & Trademark Office: "A coherent optical modem is configured to support fast Loss of Signal (LOS) detection, e.g., greater than1 ms, and includes an Intradyne Coherent Receiver (ICR) with input power reporting circuitry configured to monitor one or more received optical signals; and processing circuitry communicatively coupled to the ICR and configured to receive a first interru...