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    • 1. 发明专利
    • Microwave-to-optical photon transducer
    • IL297828A
    • 2023-01-01
    • IL29782822
    • 2022-10-31
    • MIRAEX SA
    • G06N10/40
    • A microwave-to-optical photon transducer (1) is provided for generating coupling between a microwave signal (S in2 ) and an optical signal (S pi_in1 , S pi_out1 ). The transducer (1) comprises: a first input port (3); a second input port (5); a first output port (9) for outputting the optical signal (S pi_out1 ) and one or more optical sideband signals (S out1 , S out11 , S out12 ); a first waveguide (13) disposed between the first input port (3) and the first output port (9) to allow the optical signal (S pi_in1 ) and the one or more optical sideband signals (S out1 , S out11 , S out12 ) to propagate in the first waveguide (13); a second waveguide (15) connected to the second input port (5), and extending in the transducer (1) adjacent to the first waveguide (13) to allow the microwave signal (S in2 ) to propagate in the second waveguide (15); a phase-matching arrangement to cause at least the optical signal (S pi_in1 ) and the microwave signal (S in2 ) to be phase-matched or quasi-phase-matched. The first waveguide (13) is made of or comprising non-linear material such that a first electromagnetic field generated by the optical signal (S pi_in1 ) in the first waveguide (13) and a second electromagnetic field generated by the microwave signal (S in2 ) in the second waveguide (15) are arranged to interact in the non-linear material so that the number of optical photons in the one or more optical sideband signals (S out1 , S out11 , S out12 ) at the first output port (9) equals the number of microwave photons in the microwave signal (S in2 ) at the second input port (5) multiplied by a transducer gain.