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Quantum-enhanced sensing based on ti...

Linnemann, Daniel.

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Quantum-enhanced sensing based on time reversal of entangling interactions

Record Type:	Electronic resources : Monograph/item
Title/Author:	Quantum-enhanced sensing based on time reversal of entangling interactions/ by Daniel Linnemann.
Author:	Linnemann, Daniel.
Published:	Cham :Springer International Publishing : : 2018.,
Description:	xviii, 165 p. :digital ;24 cm.
[NT 15003449]:	Introduction -- Part I: Theoretical Basics -- Quantum Mechanical Spin -- Hamiltonian of a Spin-1 Bose-Einstein Condensate -- Part II: Concepts of Time Reversal Interferometry -- Spin Exchange as an Ampliﬁer -- Interferometry Concept Within the SU(1,1) Framework -- Part III: Experimental Platform -- Experimental System and Manipulation Techniques -- Part IV: Experimental Results -- State and Process Characterization -- Quantum-Enhanced Sensing Based on Time Reversal -- Interferometry Beyond Exact Time Reversal -- Nonlinear Time Reversal as a Diagnostic Tool -- Outlook.
Contained By:	Springer eBooks
Subject:	Quantum theory. -
Online resource:	http://dx.doi.org/10.1007/978-3-319-96008-1
ISBN:	9783319960081

Quantum-enhanced sensing based on time reversal of entangling interactions
Linnemann, Daniel.

Quantum-enhanced sensing based on time reversal of entangling interactions[electronic resource] /by Daniel Linnemann. - Cham :Springer International Publishing :2018. - xviii, 165 p. :digital ;24 cm. - Springer theses,2190-5053. - Springer theses..

Introduction -- Part I: Theoretical Basics -- Quantum Mechanical Spin -- Hamiltonian of a Spin-1 Bose-Einstein Condensate -- Part II: Concepts of Time Reversal Interferometry -- Spin Exchange as an Ampliﬁer -- Interferometry Concept Within the SU(1,1) Framework -- Part III: Experimental Platform -- Experimental System and Manipulation Techniques -- Part IV: Experimental Results -- State and Process Characterization -- Quantum-Enhanced Sensing Based on Time Reversal -- Interferometry Beyond Exact Time Reversal -- Nonlinear Time Reversal as a Diagnostic Tool -- Outlook.

Quantum mechanics entails effects like superpositions and entanglement, which have no classical counterparts. From a technological standpoint these counterintuitive quantum aspects can be viewed as an unexploited resource that can be harnessed to support various tasks, e.g. in the domains of computation, communication, and metrology. In many applications, however, the potential of nonclassical states cannot practically be exploited due to detection inefficiencies. The authors address this limitation by experimentally realizing a novel detection scheme in which entangling interactions are time reversed. In this way, nonclassical many-particle states are disentangled, allowing them to be detected in a robust and technically feasible manner. In the context of quantum metrology, these nonlinear readout techniques extend the class of entangled probe states that can be leveraged for sensing applications without being limited by finite detector resolution. The authors present an active atom interferometer, where both the entangled state preparation and disentangling readout involve parametric amplification. This "SU(1,1)" interferometer is implemented with the help of spinor Bose-Einstein condensates, where amplification is implemented by atomic collisions leading to spin exchange.

ISBN: 9783319960081

Standard No.: 10.1007/978-3-319-96008-1doiSubjects--Topical Terms:

516552
Quantum theory.

LC Class. No.: QC174.12 / .L566 2018

Dewey Class. No.: 530.12

Quantum-enhanced sensing based on time reversal of entangling interactions
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245 1 0 $a Quantum-enhanced sensing based on time reversal of entangling interactions $h [electronic resource] / $c by Daniel Linnemann.
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505 0 $a Introduction -- Part I: Theoretical Basics -- Quantum Mechanical Spin -- Hamiltonian of a Spin-1 Bose-Einstein Condensate -- Part II: Concepts of Time Reversal Interferometry -- Spin Exchange as an Ampliﬁer -- Interferometry Concept Within the SU(1,1) Framework -- Part III: Experimental Platform -- Experimental System and Manipulation Techniques -- Part IV: Experimental Results -- State and Process Characterization -- Quantum-Enhanced Sensing Based on Time Reversal -- Interferometry Beyond Exact Time Reversal -- Nonlinear Time Reversal as a Diagnostic Tool -- Outlook.
520 $a Quantum mechanics entails effects like superpositions and entanglement, which have no classical counterparts. From a technological standpoint these counterintuitive quantum aspects can be viewed as an unexploited resource that can be harnessed to support various tasks, e.g. in the domains of computation, communication, and metrology. In many applications, however, the potential of nonclassical states cannot practically be exploited due to detection inefficiencies. The authors address this limitation by experimentally realizing a novel detection scheme in which entangling interactions are time reversed. In this way, nonclassical many-particle states are disentangled, allowing them to be detected in a robust and technically feasible manner. In the context of quantum metrology, these nonlinear readout techniques extend the class of entangled probe states that can be leveraged for sensing applications without being limited by finite detector resolution. The authors present an active atom interferometer, where both the entangled state preparation and disentangling readout involve parametric amplification. This "SU(1,1)" interferometer is implemented with the help of spinor Bose-Einstein condensates, where amplification is implemented by atomic collisions leading to spin exchange.
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650 2 4 $a Quantum Physics. $3 893952
650 2 4 $a Quantum Information Technology, Spintronics. $3 1067172
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