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All-silicon light-emitting diodes waveguide-integrated with superconducting single-photon detectors
Sonia Buckley1, Jeffrey Chiles1, Adam N McCaughan1
1National Institute of Standards and Technology, Boulder, Colorado 80305, USA.
Applied Physics Letters
|December 1, 2022
Abstract:
We demonstrate cryogenic, electrically injected, waveguide-coupled Si light-emitting diodes (LEDs) operating at 1.22 microm. The active region of the LED consists of W centers implanted in the intrinsic region of a p-i-n diode. The LEDs are integrated on waveguides with superconducting nanowire single-photon detectors (SNSPDs). We demonstrate the scalability of this platform with an LED coupled to eleven SNSPDs in a single integrated photonic device.
