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Towards a Multiplexed Single-Photon Source for Large-Scale Quantum Computations (8+ photons)

Gabriel Mendoza
University of Bristol, Centre for Quantum Photonics

Postgrad seminar: Mathematical Physics and beyond

Organisers: Dale Smith, Rupert Small

ABSTRACT
A promising method to generate single-photons near-deterministically is to multiplex heralded photons produced from a large number of probabilistic sources. I will review the theory of multiplexed single-photon sources and discuss several designs for experimental realization, ranging from proof-of-principle experiments using bulk optics to long-term designs in fully integrated platforms. I will discuss some challenges for these experiments, including requirements on switches, filtering, delays, and detectors. Finally, I will propose how multiplexed sources could be used to perform large quantum computations (8+ photons) in the near future more efficiently and with higher fidelity than with current sources.