Photon Frequency Mode Matching using Acousto-Optic Frequency Beam Splitters

Abstract

It is a difficult engineering task to create distinct solid state single photon sources which nonetheless emit photons at the same frequency. It is also hard to create entangled photon pairs from quantum dots. In the spirit of quantum engineering we propose a simple optical circuit which can, in the right circumstances, make frequency distinguishable photons frequency indistinguishable. Our circuit can supply a downstream solution to both problems, opening up a large window of allowed frequency mismatches between physical mechanisms. The only components used are spectrum analysers/prisms and an Acousto-Optic Modulator. We also note that an Acousto-Optic Modulator can be used to obtain Hong-Ou-Mandel two photon interference effects from the frequency distinguishable photons generated by distinct sources.

4 pages, 4 figures

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Cited by in corpus (5)

• Frequency-encoded photonic qubits for scalable quantum information processing
• On-demand source of maximally entangled photon-pairs using the biexciton-exciton radiative cascade
• Effect of frequency mismatched photons in quantum information processing
• Universal finestructure eraser for quantum dots
• A paradigm for universal quantum information processing with integrated acousto-optic frequency beamsplitters