Temporally and spectrally multiplexed single photon source using quantum feedback control for scalable photonic quantum technologies

Abstract

Current proposals for scalable photonic quantum technologies require on-demand sources of indistinguishable single photons with very high efficiency (having unheralded loss below $1\%$). Even with recent progress in the field there is still a significant gap between the requirements and state of the art performance. Here, we propose an on-chip source of multiplexed, heralded photons. Using quantum feedback control on a photon storage cavity with an optimized driving protocol, we estimate an on-demand efficiency of $99\%$ and unheralded loss of order $1\%$, assuming high efficiency detectors and intrinsic cavity quality factors of order $10^8$. We further explain how temporal- and frequency-multiplexing can be used in parallel to significantly reduce device requirements if single photon frequency conversion is possible with efficiency in the same range of $99\%$.

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Cited by in corpus (9)

• Non-Gaussian and Gottesman-Kitaev-Preskill state preparation by photon catalysis
• Zero-Added-Loss Entangled Photon Multiplexing for Ground- and Space-Based Quantum Networks
• Unidirectional frequency conversion in microring resonators for on-chip frequency-multiplexed single-photon sources
• Scalable feedback control of single photon sources for photonic quantum technologies
• Optimization of multiplexed single-photon sources operated with photon-number-resolving detectors
• Generating pure single-photon states via spontaneous four-wave mixing in a system of coupled microresonators
• Single-photon sources based on asymmetric spatial multiplexing with optimized inputs
• Spatially multiplexed single-photon sources based on incomplete binary-tree multiplexers
• Nonlinear Photon Pair Generation in a Highly Dispersive Medium