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Multiplexed memory-insensitive quantum repeaters.
Collins OA, Jenkins SD, Kuzmich A, Kennedy TA. Collins OA, et al. Among authors: kuzmich a. Phys Rev Lett. 2007 Feb 9;98(6):060502. doi: 10.1103/PhysRevLett.98.060502. Epub 2007 Feb 7. Phys Rev Lett. 2007. PMID: 17358924
We propose a multiplexing of quantum nodes that should enable the construction of quantum networks that are largely insensitive to the coherence times of the quantum memory elements....
We propose a multiplexing of quantum nodes that should enable the construction of quantum networks that are largely insensitive to th …
Violation of Bell's inequality by a generalized einstein-podolsky-rosen state using homodyne detection.
Kuzmich A, Walmsley IA, Mandel L. Kuzmich A, et al. Phys Rev Lett. 2000 Aug 14;85(7):1349-53. doi: 10.1103/PhysRevLett.85.1349. Phys Rev Lett. 2000. PMID: 10970502
A 38, 3132 (1988)]. The maximum observed visibility of the interference pattern was (89+/-4)%. This interference can be regarded as a manifestation of nonlocality in the sense described by Banaszek and Wodkiewicz [Phys. ...A 58, 4345 (1998)]. We have investig
A 38, 3132 (1988)]. The maximum observed visibility of the interference pattern was (89+/-4)%. This interference can be regarded as
Generation of spin squeezing via continuous quantum nondemolition measurement.
Kuzmich A, Mandel L, Bigelow NP. Kuzmich A, et al. Phys Rev Lett. 2000 Aug 21;85(8):1594-7. doi: 10.1103/PhysRevLett.85.1594. Phys Rev Lett. 2000. PMID: 10970566
Continuous quantum nondemolition monitoring of a collective atomic spin with an off-resonant laser beam has been performed. Squeezed atomic spin states have thereby been produced with spin noise reduction to 70% below the standard quantum limit expected for a cohere …
Continuous quantum nondemolition monitoring of a collective atomic spin with an off-resonant laser beam has been performed. Squeezed …
Atomic quantum state teleportation and swapping.
Kuzmich A, Polzik ES. Kuzmich A, et al. Phys Rev Lett. 2000 Dec 25;85(26 Pt 1):5639-42. doi: 10.1103/PhysRevLett.85.5639. Phys Rev Lett. 2000. PMID: 11136066
A set of protocols for atoms-photons and atoms-atoms quantum state teleportation and swapping utilizing Einstein-Podolsky-Rosen light is proposed. ...A simple free space interaction of polarized light with a spin polarized atomic ensemble is shown to suffice
A set of protocols for atoms-photons and atoms-atoms quantum state teleportation and swapping utilizing Einstein-Podolsky-Rosen light
Signal velocity, causality, and quantum noise in superluminal light pulse propagation.
Kuzmich A, Dogariu A, Wang LJ, Milonni PW, Chiao RY. Kuzmich A, et al. Phys Rev Lett. 2001 Apr 30;86(18):3925-9. doi: 10.1103/PhysRevLett.86.3925. Phys Rev Lett. 2001. PMID: 11328062
We consider pulse propagation in a linear anomalously dispersive medium where the group velocity exceeds the speed of light in vacuum ( c) or even becomes negative. A signal velocity is defined operationally based on the optical signal-to-noise ratio, and is compute …
We consider pulse propagation in a linear anomalously dispersive medium where the group velocity exceeds the speed of light in vacuum …
State-insensitive cooling and trapping of single atoms in an optical cavity.
McKeever J, Buck JR, Boozer AD, Kuzmich A, Nägerl HC, Stamper-Kurn DM, Kimble HJ. McKeever J, et al. Among authors: kuzmich a. Phys Rev Lett. 2003 Apr 4;90(13):133602. doi: 10.1103/PhysRevLett.90.133602. Epub 2003 Apr 3. Phys Rev Lett. 2003. PMID: 12689287
Single cesium atoms are cooled and trapped inside a small optical cavity by way of a novel far-off-resonance dipole-force trap, with observed lifetimes of 2-3 s. Trapped atoms are observed continuously via transmission of a strongly coupled probe beam, with i …
Single cesium atoms are cooled and trapped inside a small optical cavity by way of a novel far-off-resonance dipole-force trap …
Generation of nonclassical photon pairs for scalable quantum communication with atomic ensembles.
Kuzmich A, Bowen WP, Boozer AD, Boca A, Chou CW, Duan LM, Kimble HJ. Kuzmich A, et al. Nature. 2003 Jun 12;423(6941):731-4. doi: 10.1038/nature01714. Nature. 2003. PMID: 12802329
For example, a protocol has recently been developed for the realization of scalable long-distance quantum communication and the distribution of entanglement over quantum networks. ...Compared to previous investigations of non-classical correlations for photon pairs produce …
For example, a protocol has recently been developed for the realization of scalable long-distance quantum communication and the distr …
Nonsymmetric entanglement of atomic ensembles.
Kuzmich A, Kennedy TA. Kuzmich A, et al. Phys Rev Lett. 2004 Jan 23;92(3):030407. doi: 10.1103/PhysRevLett.92.030407. Epub 2004 Jan 23. Phys Rev Lett. 2004. PMID: 14753857
As a means to eliminate an important form of decoherence this idea should be of broad relevance for quantum information processing with atomic ensembles. ...
As a means to eliminate an important form of decoherence this idea should be of broad relevance for quantum information processing wi …
Single-photon generation from stored excitation in an atomic ensemble.
Chou CW, Polyakov SV, Kuzmich A, Kimble HJ. Chou CW, et al. Among authors: kuzmich a. Phys Rev Lett. 2004 May 28;92(21):213601. doi: 10.1103/PhysRevLett.92.213601. Epub 2004 May 25. Phys Rev Lett. 2004. PMID: 15245280
Conditioned upon an initial detection from field 1 at 852 nm, a photon in field 2 at 894 nm is produced in a controlled fashion from excitation stored within the atomic ensemble. The single-quantum character of field 2 is demonstrated by the violation of a Ca …
Conditioned upon an initial detection from field 1 at 852 nm, a photon in field 2 at 894 nm is produced in a controlled fashio …
Quantum state transfer between matter and light.
Matsukevich DN, Kuzmich A. Matsukevich DN, et al. Among authors: kuzmich a. Science. 2004 Oct 22;306(5696):663-6. doi: 10.1126/science.1103346. Science. 2004. PMID: 15499014
We report on the coherent quantum state transfer from a two-level atomic system to a single photon. Entanglement between a single photon (signal) and a two-component ensemble of cold rubidium atoms is used to project the quantum memory element (the ato …
We report on the coherent quantum state transfer from a two-level atomic system to a single photon. Entanglement between a
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