US Patent Issued to Quintessent on Jan. 13 for "Photonic integrated circuit for high-wavelength-channel-count wavelength-division-multiplexed systems" (California Inventors)

ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,526,055, issued on Jan. 13, was assigned to Quintessent Inc. (Goleta, Calif.).

"Photonic integrated circuit for high-wavelength-channel-count wavelength-division-multiplexed systems" was invented by Michael Davenport (Santa Barbara, Calif.), Chris Cole (Goleta, Calif.), Brian Koch (Santa Barbara, Calif.) and Alan Liu (Santa Barbara, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure is directed toward architectures that combine DWDM and CWDM concepts in a single PIC. Transmitter stages in accordance with the present disclosure include a plurality of multiwavelength lasers having regions of separately grown epitaxial material wh...