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All optical operation of a superconducting photonic interface

Version 2 2023-09-18, 18:36
Version 1 2023-09-18, 18:36
Posted on 2023-09-18 - 18:36
Quantum photonic processing via electro-optic components typically requires electronic links across different operation environments, especially when interfacing cryogenic components such as superconducting single photon detectors with room-temperature control and readout electronics. However, readout and driving electronics can introduce detrimental parasitic effects. Here we show an all-optical control and readout of a superconducting nanowire single photon detector (SNSPD), completely electrically decoupled from room temperature electronics. We provide the operation power for the superconducting detector via a cryogenic photodiode, and readout single photon detection signals via a cryogenic electro-optic modulator in the same cryostat. This method opens the possibility for control and readout of superconducting circuits, and feedforward for photonic quantum computing.

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AUTHORS (10)

Frederik Thiele
Thomas Hummel
Adam MacCaughan
Julian Brockmeier
Maximilian Protte
Viktor Quiring
Seabstian Lengeling
Christof Eigner
Christine Silberhorn
Tim Bartley

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