Cavity-mediated generation of multipartite photonic entanglement for sensing and metrology

Svetlana A. Malinovskaya; Aneesh Ramaswamy; Vladimir V. Malinovsky

doi:10.1117/12.3089847

Cavity-mediated generation of multipartite photonic entanglement for sensing and metrology

Svetlana A. Malinovskaya
, Aneesh Ramaswamy
, Vladimir V. Malinovsky

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

We study quantum state transfer between trapped Rydberg atoms and cavity photons, demonstrating robust protocols that map multipartite entanglement from matter to light. We operate with the W and the Greenberger-Horne- Zeilinger (GHZ) entangled states. We show that entanglement transfer is achievable by two routes: a fully adiabatic protocol, or a quasi-adiabatic scheme that deliberately uses nonadiabatic hops at engineered avoided crossings, implemented via continuous chirping of the cavity modes. The approach extends to other target states and offers a simple, scalable route to imprinting atomic entanglement onto propagating light, with potential impact on quantum communication, distributed computing, and precision photonic sensing.

Original language	English
Title of host publication	Quantum Sensing, Imaging, and Precision Metrology IV
Editors	Selim M. Shahriar
Publisher	SPIE
ISBN (Electronic)	9781510697577
DOIs	https://doi.org/10.1117/12.3089847
State	Published - Mar 5 2026
Externally published	Yes
Event	4th Quantum Sensing, Imaging, and Precision Metrology - San Francisco, United States Duration: Jan 17 2026 → Jan 23 2026

Publication series

Name	Proceedings of SPIE - The International Society for Optical Engineering
Volume	13920
ISSN (Print)	0277-786X
ISSN (Electronic)	1996-756X

Conference

Conference	4th Quantum Sensing, Imaging, and Precision Metrology
Country/Territory	United States
City	San Francisco
Period	01/17/26 → 01/23/26

Funding

We acknowledge funding support from the Office of Naval Research through award N00014-22-1-2374.

Keywords

Chirped multimode cavity
Entanglement transfer
Fractional STIRAP–based cavity QED
Rydberg atoms
W and GHZ states

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10.1117/12.3089847

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Malinovskaya, S. A., Ramaswamy, A., & Malinovsky, V. V. (2026). Cavity-mediated generation of multipartite photonic entanglement for sensing and metrology. In S. M. Shahriar (Ed.), Quantum Sensing, Imaging, and Precision Metrology IV Article 139200O (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 13920). SPIE. https://doi.org/10.1117/12.3089847

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title = "Cavity-mediated generation of multipartite photonic entanglement for sensing and metrology",

abstract = "We study quantum state transfer between trapped Rydberg atoms and cavity photons, demonstrating robust protocols that map multipartite entanglement from matter to light. We operate with the W and the Greenberger-Horne- Zeilinger (GHZ) entangled states. We show that entanglement transfer is achievable by two routes: a fully adiabatic protocol, or a quasi-adiabatic scheme that deliberately uses nonadiabatic hops at engineered avoided crossings, implemented via continuous chirping of the cavity modes. The approach extends to other target states and offers a simple, scalable route to imprinting atomic entanglement onto propagating light, with potential impact on quantum communication, distributed computing, and precision photonic sensing.",

keywords = "Chirped multimode cavity, Entanglement transfer, Fractional STIRAP–based cavity QED, Rydberg atoms, W and GHZ states",

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Malinovskaya, SA, Ramaswamy, A & Malinovsky, VV 2026, Cavity-mediated generation of multipartite photonic entanglement for sensing and metrology. in SM Shahriar (ed.), Quantum Sensing, Imaging, and Precision Metrology IV., 139200O, Proceedings of SPIE - The International Society for Optical Engineering, vol. 13920, SPIE, 4th Quantum Sensing, Imaging, and Precision Metrology, San Francisco, United States, 01/17/26. https://doi.org/10.1117/12.3089847

Cavity-mediated generation of multipartite photonic entanglement for sensing and metrology. / Malinovskaya, Svetlana A.; Ramaswamy, Aneesh; Malinovsky, Vladimir V.
Quantum Sensing, Imaging, and Precision Metrology IV. ed. / Selim M. Shahriar. SPIE, 2026. 139200O (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 13920).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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N2 - We study quantum state transfer between trapped Rydberg atoms and cavity photons, demonstrating robust protocols that map multipartite entanglement from matter to light. We operate with the W and the Greenberger-Horne- Zeilinger (GHZ) entangled states. We show that entanglement transfer is achievable by two routes: a fully adiabatic protocol, or a quasi-adiabatic scheme that deliberately uses nonadiabatic hops at engineered avoided crossings, implemented via continuous chirping of the cavity modes. The approach extends to other target states and offers a simple, scalable route to imprinting atomic entanglement onto propagating light, with potential impact on quantum communication, distributed computing, and precision photonic sensing.

AB - We study quantum state transfer between trapped Rydberg atoms and cavity photons, demonstrating robust protocols that map multipartite entanglement from matter to light. We operate with the W and the Greenberger-Horne- Zeilinger (GHZ) entangled states. We show that entanglement transfer is achievable by two routes: a fully adiabatic protocol, or a quasi-adiabatic scheme that deliberately uses nonadiabatic hops at engineered avoided crossings, implemented via continuous chirping of the cavity modes. The approach extends to other target states and offers a simple, scalable route to imprinting atomic entanglement onto propagating light, with potential impact on quantum communication, distributed computing, and precision photonic sensing.

KW - Chirped multimode cavity

KW - Entanglement transfer

KW - Fractional STIRAP–based cavity QED

KW - Rydberg atoms

KW - W and GHZ states

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DO - 10.1117/12.3089847

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BT - Quantum Sensing, Imaging, and Precision Metrology IV

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PB - SPIE

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Y2 - 17 January 2026 through 23 January 2026

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Cavity-mediated generation of multipartite photonic entanglement for sensing and metrology

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