AustralieFrV1, PascalFrancis, Curation, bibRecord, 002E64

Entangling the Spatial Properties of Laser Beams

Identifieur interne : 002E64 ( PascalFrancis/Curation ); précédent : 002E63; suivant : 002E65

Entangling the Spatial Properties of Laser Beams

Auteurs : Katherine Wagner [Australie] ; Jiri Janousek [Australie] ; Vincent Delaubert [Australie, France] ; HONGXIN ZOU [Australie] ; Charles Harb [Australie] ; Nicolas Treps [France] ; Jean Francois Morizur [Australie, France] ; PING KOY LAM [Australie] ; Hans A. Bachor [Australie]

Source :

Science : (Washington, D.C.) [ 0036-8075 ] ; 2008.

RBID : Pascal:08-0527220

Descripteurs français

Pascal (Inist)
- Intrication quantique, Mécanique quantique, Optique quantique, Principe incertitude, Méthode mesure, Méthode optique, Faisceau laser, Faisceau optique, Quantité mouvement, 4250.

English descriptors

KwdEn :
- Laser beams, Measuring methods, Momentum, Optical beam, Optical method, Quantum entanglement, Quantum mechanics, Quantum optics, Uncertainty principle.

Abstract

Position and momentum were the first pair of conjugate observables explicitly used to illustrate the intricacy of quantum mechanics. We have extended position and momentum entanglement to bright optical beams. Applications in optical metrology and interferometry require the continuous measurement of laser beams, with the accuracy fundamentally limited by the uncertainty principle. Techniques based on spatial entanglement of the beams could overcome this limit, and high-quality entanglement is required. We report a value of 0.51 for inseparability and 0.62 for the Einstein-Podolsky-Rosen criterion, both normalized to a classical limit of 1. These results are a conclusive optical demonstration of macroscopic position and momentum quantum entanglement and also confirm that the resources for spatial multimode protocols are available.

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A11	`06`	`1`		`@1 TREPS (Nicolas)`
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C01	`01`		`ENG`	@0 Position and momentum were the first pair of conjugate observables explicitly used to illustrate the intricacy of quantum mechanics. We have extended position and momentum entanglement to bright optical beams. Applications in optical metrology and interferometry require the continuous measurement of laser beams, with the accuracy fundamentally limited by the uncertainty principle. Techniques based on spatial entanglement of the beams could overcome this limit, and high-quality entanglement is required. We report a value of 0.51 for inseparability and 0.62 for the Einstein-Podolsky-Rosen criterion, both normalized to a classical limit of 1. These results are a conclusive optical demonstration of macroscopic position and momentum quantum entanglement and also confirm that the resources for spatial multimode protocols are available.
C02	`01`	`3`		`@0 001B40B50`
C03	`01`	`3`	`FRE`	`@0 Intrication quantique @5 03`
C03	`01`	`3`	`ENG`	`@0 Quantum entanglement @5 03`
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C03	`02`	`3`	`ENG`	`@0 Quantum mechanics @5 19`
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C03	`03`	`3`	`ENG`	`@0 Quantum optics @5 20`
C03	`04`	`3`	`FRE`	`@0 Principe incertitude @5 23`
C03	`04`	`3`	`ENG`	`@0 Uncertainty principle @5 23`
C03	`05`	`3`	`FRE`	`@0 Méthode mesure @5 30`
C03	`05`	`3`	`ENG`	`@0 Measuring methods @5 30`
C03	`06`	`X`	`FRE`	`@0 Méthode optique @5 31`
C03	`06`	`X`	`ENG`	`@0 Optical method @5 31`
C03	`06`	`X`	`SPA`	`@0 Método óptico @5 31`
C03	`07`	`3`	`FRE`	`@0 Faisceau laser @5 37`
C03	`07`	`3`	`ENG`	`@0 Laser beams @5 37`
C03	`08`	`X`	`FRE`	`@0 Faisceau optique @5 38`
C03	`08`	`X`	`ENG`	`@0 Optical beam @5 38`
C03	`08`	`X`	`SPA`	`@0 Haz óptico @5 38`
C03	`09`	`3`	`FRE`	`@0 Quantité mouvement @5 41`
C03	`09`	`3`	`ENG`	`@0 Momentum @5 41`
C03	`10`	`3`	`FRE`	`@0 4250 @4 INC @5 83`
N21				`@1 343`

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Le document en format XML

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<front><div type="abstract" xml:lang="en">Position and momentum were the first pair of conjugate observables explicitly used to illustrate the intricacy of quantum mechanics. We have extended position and momentum entanglement to bright optical beams. Applications in optical metrology and interferometry require the continuous measurement of laser beams, with the accuracy fundamentally limited by the uncertainty principle. Techniques based on spatial entanglement of the beams could overcome this limit, and high-quality entanglement is required. We report a value of 0.51 for inseparability and 0.62 for the Einstein-Podolsky-Rosen criterion, both normalized to a classical limit of 1. These results are a conclusive optical demonstration of macroscopic position and momentum quantum entanglement and also confirm that the resources for spatial multimode protocols are available.</div>
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<fA11 i1="09" i2="1"><s1>BACHOR (Hans A.)</s1>
</fA11>
<fA14 i1="01"><s1>Australian Research Council Centre of Excellence for Quantum-Atom Optics, Australian National University</s1>
<s2>Canberra ACT 0200</s2>
<s3>AUS</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
<sZ>4 aut.</sZ>
<sZ>7 aut.</sZ>
<sZ>8 aut.</sZ>
<sZ>9 aut.</sZ>
</fA14>
<fA14 i1="02"><s1>Laboratoire Kastler Brossel, Université Pierre et Marie Curie-Paris 6, ENS, CNRS; 4 place jussieu</s1>
<s2>75252 Paris</s2>
<s3>FRA</s3>
<sZ>3 aut.</sZ>
<sZ>6 aut.</sZ>
<sZ>7 aut.</sZ>
</fA14>
<fA14 i1="03"><s1>Australian Defence Force Academy</s1>
<s2>Canberra</s2>
<s3>AUS</s3>
<sZ>5 aut.</sZ>
</fA14>
<fA20><s1>541-543</s1>
</fA20>
<fA21><s1>2008</s1>
</fA21>
<fA23 i1="01"><s0>ENG</s0>
</fA23>
<fA43 i1="01"><s1>INIST</s1>
<s2>6040</s2>
<s5>354000196446090200</s5>
</fA43>
<fA44><s0>0000</s0>
<s1>© 2008 INIST-CNRS. All rights reserved.</s1>
</fA44>
<fA47 i1="01" i2="1"><s0>08-0527220</s0>
</fA47>
<fA60><s1>P</s1>
<s3>C</s3>
</fA60>
<fA61><s0>A</s0>
</fA61>
<fA64 i1="01" i2="1"><s0>Science : (Washington, D.C.)</s0>
</fA64>
<fA66 i1="01"><s0>USA</s0>
</fA66>
<fA99><s0>1/4 p. ref. et notes</s0>
</fA99>
<fC01 i1="01" l="ENG"><s0>Position and momentum were the first pair of conjugate observables explicitly used to illustrate the intricacy of quantum mechanics. We have extended position and momentum entanglement to bright optical beams. Applications in optical metrology and interferometry require the continuous measurement of laser beams, with the accuracy fundamentally limited by the uncertainty principle. Techniques based on spatial entanglement of the beams could overcome this limit, and high-quality entanglement is required. We report a value of 0.51 for inseparability and 0.62 for the Einstein-Podolsky-Rosen criterion, both normalized to a classical limit of 1. These results are a conclusive optical demonstration of macroscopic position and momentum quantum entanglement and also confirm that the resources for spatial multimode protocols are available.</s0>
</fC01>
<fC02 i1="01" i2="3"><s0>001B40B50</s0>
</fC02>
<fC03 i1="01" i2="3" l="FRE"><s0>Intrication quantique</s0>
<s5>03</s5>
</fC03>
<fC03 i1="01" i2="3" l="ENG"><s0>Quantum entanglement</s0>
<s5>03</s5>
</fC03>
<fC03 i1="02" i2="3" l="FRE"><s0>Mécanique quantique</s0>
<s5>19</s5>
</fC03>
<fC03 i1="02" i2="3" l="ENG"><s0>Quantum mechanics</s0>
<s5>19</s5>
</fC03>
<fC03 i1="03" i2="3" l="FRE"><s0>Optique quantique</s0>
<s5>20</s5>
</fC03>
<fC03 i1="03" i2="3" l="ENG"><s0>Quantum optics</s0>
<s5>20</s5>
</fC03>
<fC03 i1="04" i2="3" l="FRE"><s0>Principe incertitude</s0>
<s5>23</s5>
</fC03>
<fC03 i1="04" i2="3" l="ENG"><s0>Uncertainty principle</s0>
<s5>23</s5>
</fC03>
<fC03 i1="05" i2="3" l="FRE"><s0>Méthode mesure</s0>
<s5>30</s5>
</fC03>
<fC03 i1="05" i2="3" l="ENG"><s0>Measuring methods</s0>
<s5>30</s5>
</fC03>
<fC03 i1="06" i2="X" l="FRE"><s0>Méthode optique</s0>
<s5>31</s5>
</fC03>
<fC03 i1="06" i2="X" l="ENG"><s0>Optical method</s0>
<s5>31</s5>
</fC03>
<fC03 i1="06" i2="X" l="SPA"><s0>Método óptico</s0>
<s5>31</s5>
</fC03>
<fC03 i1="07" i2="3" l="FRE"><s0>Faisceau laser</s0>
<s5>37</s5>
</fC03>
<fC03 i1="07" i2="3" l="ENG"><s0>Laser beams</s0>
<s5>37</s5>
</fC03>
<fC03 i1="08" i2="X" l="FRE"><s0>Faisceau optique</s0>
<s5>38</s5>
</fC03>
<fC03 i1="08" i2="X" l="ENG"><s0>Optical beam</s0>
<s5>38</s5>
</fC03>
<fC03 i1="08" i2="X" l="SPA"><s0>Haz óptico</s0>
<s5>38</s5>
</fC03>
<fC03 i1="09" i2="3" l="FRE"><s0>Quantité mouvement</s0>
<s5>41</s5>
</fC03>
<fC03 i1="09" i2="3" l="ENG"><s0>Momentum</s0>
<s5>41</s5>
</fC03>
<fC03 i1="10" i2="3" l="FRE"><s0>4250</s0>
<s4>INC</s4>
<s5>83</s5>
</fC03>
<fN21><s1>343</s1>
</fN21>
</pA>
</standard>
</inist>
</record>

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Entangling the Spatial Properties of Laser Beams

Entangling the Spatial Properties of Laser Beams

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