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  • Postselective two-photon interference from a continuous nonclassical stream of photons emitted by a quantum dot

    Author(s)
    Patel, RB
    Bennett, AJ
    Cooper, K
    Atkinson, P
    Nicoll, CA
    Ritchie, DA
    Shields, AJ
    Griffith University Author(s)
    Patel, Raj B.
    Year published
    2008
    Metadata
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    Abstract
    We report an electrically driven semiconductor single-photon source capable of emitting photons with a coherence time of up to 400 ps under fixed bias. It is shown that increasing the injection current causes the coherence time to reduce, and this effect is well explained by the fast modulation of a fluctuating environment. Hong-Ou-Mandel-type two-photon interference using a Mach-Zehnder interferometer is demonstrated using this source to test the indistinguishability of individual photons by postselecting events where two photons collide at a beam splitter. Finally, we consider how improvements in our detection system can ...
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    We report an electrically driven semiconductor single-photon source capable of emitting photons with a coherence time of up to 400 ps under fixed bias. It is shown that increasing the injection current causes the coherence time to reduce, and this effect is well explained by the fast modulation of a fluctuating environment. Hong-Ou-Mandel-type two-photon interference using a Mach-Zehnder interferometer is demonstrated using this source to test the indistinguishability of individual photons by postselecting events where two photons collide at a beam splitter. Finally, we consider how improvements in our detection system can be used to achieve a higher interference visibility.
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    Journal Title
    Physical Review Letters
    Volume
    100
    Issue
    20
    DOI
    https://doi.org/10.1103/PhysRevLett.100.207405
    Subject
    Physical Sciences not elsewhere classified
    Mathematical Sciences
    Physical Sciences
    Engineering
    Publication URI
    http://hdl.handle.net/10072/62114
    Collection
    • Journal articles

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