Biphoton spectral quantum interference for information processing and delay metrology

Suparna Seshadri; Hsuan Hao Lu; Joseph M. Lukens; Andrew M. Weiner

doi:10.1117/12.2656881

Biphoton spectral quantum interference for information processing and delay metrology

Suparna Seshadri, Hsuan Hao Lu, Joseph M. Lukens, Andrew M. Weiner

Quantum Communications and Networking

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

1 Scopus citations

Abstract

Broadband time-energy entangled photons feature strong temporal correlations with potential for precision delay metrology, but previous work has leveraged only time-of-flight information ultimately limited by the detection jitter and resolution of the time-tagging electronics. Firstly, our work pushes the entanglement-based nonlocal delay metrology from the conventional time-of-flight measurement to a new direction—two-photon interferometry with subpicosecond sensitivity independent of detection resolution. Next, we show the selective sensitivity of frequency-bin encoded Bell states to the sum and difference of biphoton-delays by using a novel reconfigurable setup capable of switching between the Bell states by successively employing single and dual spectral-line pumps.

Original language	English
Title of host publication	Quantum Computing, Communication, and Simulation III
Editors	Philip R. Hemmer, Alan L. Migdall
Publisher	SPIE
ISBN (Electronic)	9781510659971
DOIs	https://doi.org/10.1117/12.2656881
State	Published - 2023
Event	Quantum Computing, Communication, and Simulation III 2023 - San Francisco, United States Duration: Jan 29 2023 → Feb 2 2023

Publication series

Name	Proceedings of SPIE - The International Society for Optical Engineering
Volume	12446
ISSN (Print)	0277-786X
ISSN (Electronic)	1996-756X

Conference

Conference	Quantum Computing, Communication, and Simulation III 2023
Country/Territory	United States
City	San Francisco
Period	01/29/23 → 02/2/23

Funding

We thank AdvR for loaning the PPLN ridge waveguide and acknowledge Navin B. Lingaraju, Poolad Imany and Daniel E. Leaird for their contributions to the extended works summarized here.16,17 Funding was provided by the National Science Foundation (1839191-ECCS, 2034019-ECCS) and the U.S. Department of Energy (ERKJ353). A portion of this work was performed at Oak Ridge National Laboratory, operated by UT-Battelle for the U.S. Department of Energy under contract no. DE-AC05-00OR22725.

Keywords

Time-energy entanglement
delay metrology
frequency-bin encoded Bell states
two-photon interferometry

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10.1117/12.2656881

Cite this

Seshadri, S., Lu, H. H., Lukens, J. M., & Weiner, A. M. (2023). Biphoton spectral quantum interference for information processing and delay metrology. In P. R. Hemmer, & A. L. Migdall (Eds.), Quantum Computing, Communication, and Simulation III Article 1244605 (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 12446). SPIE. https://doi.org/10.1117/12.2656881

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title = "Biphoton spectral quantum interference for information processing and delay metrology",

abstract = "Broadband time-energy entangled photons feature strong temporal correlations with potential for precision delay metrology, but previous work has leveraged only time-of-flight information ultimately limited by the detection jitter and resolution of the time-tagging electronics. Firstly, our work pushes the entanglement-based nonlocal delay metrology from the conventional time-of-flight measurement to a new direction—two-photon interferometry with subpicosecond sensitivity independent of detection resolution. Next, we show the selective sensitivity of frequency-bin encoded Bell states to the sum and difference of biphoton-delays by using a novel reconfigurable setup capable of switching between the Bell states by successively employing single and dual spectral-line pumps.",

keywords = "Time-energy entanglement, delay metrology, frequency-bin encoded Bell states, two-photon interferometry",

author = "Suparna Seshadri and Lu, {Hsuan Hao} and Lukens, {Joseph M.} and Weiner, {Andrew M.}",

note = "Publisher Copyright: {\textcopyright} 2023 SPIE.; Quantum Computing, Communication, and Simulation III 2023 ; Conference date: 29-01-2023 Through 02-02-2023",

year = "2023",

doi = "10.1117/12.2656881",

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Seshadri, S, Lu, HH, Lukens, JM & Weiner, AM 2023, Biphoton spectral quantum interference for information processing and delay metrology. in PR Hemmer & AL Migdall (eds), Quantum Computing, Communication, and Simulation III., 1244605, Proceedings of SPIE - The International Society for Optical Engineering, vol. 12446, SPIE, Quantum Computing, Communication, and Simulation III 2023, San Francisco, United States, 01/29/23. https://doi.org/10.1117/12.2656881

Biphoton spectral quantum interference for information processing and delay metrology. / Seshadri, Suparna; Lu, Hsuan Hao; Lukens, Joseph M. et al.
Quantum Computing, Communication, and Simulation III. ed. / Philip R. Hemmer; Alan L. Migdall. SPIE, 2023. 1244605 (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 12446).

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

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AB - Broadband time-energy entangled photons feature strong temporal correlations with potential for precision delay metrology, but previous work has leveraged only time-of-flight information ultimately limited by the detection jitter and resolution of the time-tagging electronics. Firstly, our work pushes the entanglement-based nonlocal delay metrology from the conventional time-of-flight measurement to a new direction—two-photon interferometry with subpicosecond sensitivity independent of detection resolution. Next, we show the selective sensitivity of frequency-bin encoded Bell states to the sum and difference of biphoton-delays by using a novel reconfigurable setup capable of switching between the Bell states by successively employing single and dual spectral-line pumps.

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Biphoton spectral quantum interference for information processing and delay metrology

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