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Related Experiment Video

Updated: Jun 14, 2026

Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source

Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source

Published on: April 4, 2017

An integrated microwave-to-optics interface for scalable quantum computing.

Matthew J Weaver¹, Pim Duivestein¹, Alexandra C Bernasconi¹

¹QphoX B.V., Delft, The Netherlands.

Nature Nanotechnology

|October 5, 2023

Summary

This summary is machine-generated.

Researchers developed a novel microwave-to-optics transducer for quantum systems. This device achieves high efficiency and low noise, crucial for scaling quantum computers and networks.

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Area of Science:

Quantum technology
Optoelectronics
Materials science

Background:

Microwave-to-optics transduction is critical for connecting quantum processors and networks.
Key requirements include low added noise, high efficiency, broad bandwidth, and high repetition rates.

Purpose of the Study:

To design and experimentally demonstrate an integrated microwave-to-optics transducer.
To meet the stringent performance criteria for quantum information processing and networking.

Main Methods:

Utilized a planar superconducting resonator coupled to a silicon photonic cavity.
Incorporated a mechanical oscillator made of lithium niobate on silicon.
Experimentally validated transduction efficiency, spectral bandwidth, added noise, and repetition rate.

Main Results:

Achieved a transduction efficiency of 0.9% with 1 μW of continuous optical power.
Demonstrated a spectral bandwidth of 14.8 MHz.
Measured low added noise (few photons) and a repetition rate up to 100 kHz.

Conclusions:

The developed transducer meets essential criteria for quantum applications.
The integrated design is scalable for multi-transducer chips.
This work advances the development of distributed quantum computing and networks.