US Patent Issued to Cisco Technology on July 28 for "Integrated photonic 2x3 coupler" (California, New Jersey Inventors)

ALEXANDRIA, Va., July 28 -- United States Patent no. 12,693,475, issued on July 28, was assigned to Cisco Technology Inc (San Jose, Calif.).

"Integrated photonic 2x3 coupler" was invented by Jonathan Edgar Roth (San Jose, Calif.), Qianfan Xu (San Jose, Calif.) and Long Chen (Marlboro, N.J.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is an adiabatic optical coupler. The adiabatic optical coupler includes a tapered input region which includes a first waveguide core and a second waveguide core. The first and second waveguide cores are separated at the tapered input region. The adiabatic optical coupler also includes a narrow coupling region extending from the tapered input region. In the narrow cou...