Cited by 333Quantum Information and CryptographyQuantum optics and atomic interactionsPhotorefractive and Nonlinear Optics

Theory of two-photon entanglement for spontaneous parametric down-conversion driven by a narrow pump pulse

Keller, Timothy E., Rubin, Morton H.·1997·Physical Review A

Abstract

Spontaneous parametric down-conversion (SPDC) has been extensively studied for the case of a continuous wave pump. In this paper SPDC is studied for the case in which the pump is a pulse. The pump pulse acts like a clock with an uncertainty equal to its width. This makes it possible to distinguish pairs of photons born at sufficiently different depths inside the crystal with a consequent decrease in two-photon interference. We study this effect in detail for degenerate collinear type-II SPDC and degenerate type-I SPDC. It may be possible in the type-II case to eliminate the clock effect of the pump by judicious choice of materials and wavelengths.

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Crossref · 10.1103/physreva.56.1534

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  • Femtosecond pulse pumped SPDC shows relatively poor quantum interference visibilities.

    “Unfortunately, femtosecond pulse pumped SPDC shows relatively poor quantum interference visibilities (Keller and Rubin, 1997).”

    From Multiphoton entanglement and interferometry (2012) · cites this paper as Keller and Rubin, 1997

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Authors
Keller, T. E., & Rubin, M. H.
Affiliations
University of Maryland, Baltimore County (US)
Venue
Physical Review A
Published
1997-08-01
Volume
56
Issue
2
Pages
1534-1541
ISSN
  • 0556-2791 (ISSN-L)
  • 1050-2947
  • 1094-1622
OpenAlex
W1986808051
Cited by
333
References
12
Citations by year
2026: 5 · 2025: 7 · 2024: 15 · 2023: 10 · 2022: 13 · 2021: 15 · 2020: 8 · 2019: 3 · 2018: 12 · 2017: 9 · 2016: 16 · 2015: 7 · 2014: 15 · 2013: 13 · 2012: 10
FWCI
8.52
Type
journal article
Language
en
Open access
closed
Locations
Physical Review A (publishedVersion)
Topics
  • Physical Sciences › Computer Science › Artificial Intelligence › Quantum Information and Cryptography
  • Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Quantum optics and atomic interactions
  • Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Photorefractive and Nonlinear Optics
Keywords
spontaneous parametric down-conversion, two-photon entanglement, two-photon interference, pump pulse width, photon pair generation

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