938 citations
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13 papers · 1 filter
Computation and Verification of Spectra for Non-Hermitian Systems
Catherine Drysdale, Matthew Colbrook, Michael T. M. Woodley
We establish a connection between quantum mechanics and computation, revealing fundamental limitations for algorithms computing spectra, especially in non-Hermitian settings. Intro…
Cavity-based optical switching via phase modulation in warm rubidium vapor
Georgia Booton, Tabijah Wasawo, William O. C. Davis +5
Optical switching remains a key outstanding challenge for scalable fault-tolerant photonic quantum computing due to the trade-off between speed, bandwidth, and loss. Scalable quant…
Toward a Scalable Linear-Cavity Enhanced Warm-Vapor Photonic Quantum Memory
Bharath Srivathsan, Rafal Gartman, Robert J. A. Francis-Jones +2
The coherent storage, buffering and retrieval of photons in a quantum memory enables the scalable creation of photonic entangled states via linear optics and repeat-until-success,…
Ultratunable quantum frequency conversion in photonic crystal fiber
K. A. G. Bonsma-Fisher, P. J. Bustard, C. Parry +4
Quantum frequency conversion of single photons between wavelength bands is a key enabler to realizing widespread quantum networks. We demonstrate the quantum frequency conversion o…
Resource-efficient frequency conversion for quantum networks via sequential four-wave mixing
Thomas A. Wright, Charlotte Parry, Oliver R. Gibson +2
We report a resource-efficient scheme in which a single pump laser was used to achieve frequency conversion by Bragg-scattering four-wave mixing in a photonic crystal fiber. We dem…
Resource-efficient fibre-integrated temporal multiplexing of heralded single photons
Rowan A. Hoggarth, Robert J. A. Francis-Jones, Peter J. Mosley
We present a multiplexed single photon source that re-synchronises heralded single photons generated by four-wave mixing in photonic crystal fibre using a fibre delay loop controll…