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Journal Article

Quantum teleportation in space and frequency using entangled pairs of photons from a frequency comb

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http://pubman.mpdl.mpg.de/cone/persons/resource/persons4315

Heurs,  M.
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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PhysRevA.90-042337.pdf
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Citation

Song, H., Yonezawa, H., Kuntz, K. B., Heurs, M., & Huntington, E. H. (2014). Quantum teleportation in space and frequency using entangled pairs of photons from a frequency comb. Physical Review A: Atomic, Molecular, and Optical Physics, 90: 042337. doi:10.1103/PhysRevA.90.042337.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0024-7556-9
Abstract
Using entangled pairs of photons from a frequency comb and wide-band frequency-resolved homodyne detection, we propose a sequential quantum teleportation protocol for continuous variables that teleports an unknown state in space and frequency. A subthreshold optical parametric oscillator (OPO) produces a comb of entangled pairs of photons separated by the free spectral range of the OPO cavity. Wide-band frequency-resolved homodyne detection enables direct access to the sum and difference of quadratures between different teeth in the comb. Such measurements are Einstein-Podolsky-Rosen nullifiers, and can be used as the basis for teleportation protocols. Our protocol for space-and-frequency teleportation effectively links arbitrary frequency channels for frequency-division multiplexing, which has applications in universal quantum computation and large-capacity quantum communication.