DOI: 10.1126/science.1122858. Generating Optical Schrödinger Kittens for Quantum Information Processing

Generating Optical Schrödinger Kittens for Quantum Information Processing

10.1126/science.1122858

Crossref journal-article

American Association for the Advancement of Science (AAAS)

Science (221)

Abstract

We present a detailed experimental analysis of a free-propagating light pulse prepared in a “Schrödinger kitten” state, which is defined as a quantum superposition of “classical” coherent states with small amplitudes. This kitten state is generated by subtracting one photon from a squeezed vacuum beam, and it clearly presents a negative Wigner function. The predicted influence of the experimental parameters is in excellent agreement with the experimental results. The amplitude of the coherent states can be amplified to transform our “Schrödinger kittens” into bigger Schrödinger cats, providing an essential tool for quantum information processing.

Bibliography

Ourjoumtsev, A., Tualle-Brouri, R., Laurat, J., & Grangier, P. (2006). Generating Optical SchroÌdinger Kittens for Quantum Information Processing. Science, 312(5770), 83â86.

Authors 4

Alexei Ourjoumtsev (first)
Rosa Tualle-Brouri (additional)
Julien Laurat (additional)
Philippe Grangier (additional)

References 31 Referenced 756

M. A. Nielsen I. Chuang Quantum Computation and Quantum Information (Cambridge Univ. Press Cambridge 2000).
10.1038/35005001
10.1103/PhysRevA.40.2847
10.1103/PhysRevLett.89.137903
10.1103/PhysRevA.66.032316
10.1103/PhysRevA.67.062320
10.1088/1464-4266/6/8/032
H. Jeong T. C. Ralph Quantum Information with Continuous Variables of Atoms and Light (Imperial College Press in press) abstract (http://xxx.lanl.gov/abs/quant-ph/0509137).
10.1103/PhysRevA.65.042304
10.1103/PhysRevLett.93.130409
10.1103/PhysRevLett.93.020401
10.1103/PhysRevA.41.5261
10.1103/PhysRevLett.87.050402
10.1103/PhysRevLett.92.153601
10.1103/PhysRevA.70.053821
10.1103/PhysRevA.72.033822
10.1103/PhysRevA.71.043805
S. Olivares M. G. A. Paris Quant. Phys. in press; preprint (http://xxx.lanl.gov/abs/quant-ph/0506108).
10.1103/PhysRevLett.77.4887
10.1103/PhysRevLett.57.13
10.1126/science.272.5265.1131
10.1103/PhysRevA.55.3184
10.1103/PhysRevA.70.020101
Materials and methods are available as supporting material on Science Online.
J. Rehàcek, Z. Hradil, M. Jezek, Phys. Rev. A.63, 040303(R) (2002). / Phys. Rev. A. (2002)
10.1088/1464-4266/6/6/014
10.1140/epjd/e2004-00190-3
10.1103/PhysRevA.61.032302
10.1103/PhysRevA.65.062306
10.1103/PhysRevA.67.032314
This work was supported by the European Union project Continuous Variable Quantum Information with Atoms and Light (COVAQIAL).

Dates

Type	When
Created	19 years, 5 months ago (March 9, 2006, 9:04 p.m.)
Deposited	1 year, 7 months ago (Jan. 9, 2024, 10:36 p.m.)
Indexed	1 week ago (Aug. 27, 2025, 12:37 p.m.)
Issued	19 years, 4 months ago (April 7, 2006)
Published	19 years, 4 months ago (April 7, 2006)
Published Print	19 years, 4 months ago (April 7, 2006)

Funders 0

None

BibTeX

@article{Ourjoumtsev_2006, title={Generating Optical Schrödinger Kittens for Quantum Information Processing}, volume={312}, ISSN={1095-9203}, url={http://dx.doi.org/10.1126/science.1122858}, DOI={10.1126/science.1122858}, number={5770}, journal={Science}, publisher={American Association for the Advancement of Science (AAAS)}, author={Ourjoumtsev, Alexei and Tualle-Brouri, Rosa and Laurat, Julien and Grangier, Philippe}, year={2006}, month=apr, pages={83–86} }

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