PHOTONIC INTEGRATED CIRCUIT DESIGN FOR PLUG-AND-PLAY MEASUREMENT DEVICE INDEPENDENT-QUANTUM KEY DISTRIBUTION (MDI-QKD)

• Main Authors: Bush, Stephen Francis, Challener, William Albert
• Format: Patent
• Language: English
• Published: 07.12.2023
• Subjects: ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS; OPTICS; PHYSICS; TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION

A photonic integrated circuit includes a waveguide that receive photons from an optical fiber and directs the photons in a loop formed by the waveguide. The circuit also includes one or more of a variable optical attenuator and configured to adjust a number of the photons between a key level and one...