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Bandwidth-tunable single photon source in an ion trap quantum network

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arxiv 0905.3725 v2 pith:W62GS3E4 submitted 2009-05-22 quant-ph

Bandwidth-tunable single photon source in an ion trap quantum network

classification quant-ph
keywords singlecoherencesourceaperturebandwidth-tunablecharacterizedcontrolledcreated
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We report a tunable single-photon source based on a single trapped ion. Employing spontaneous Raman scattering and in-vacuum optics with large numerical aperture, single photons are efficiently created with controlled temporal shape and coherence time. These can be varied between 70 ns and 1.6 $\mu$s, as characterized by operating two sources simultaneously in two remote ion traps which reveals mutual and individual coherence through two-photon interference.

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