• Thumbnail for Spontaneous parametric down-conversion
    Spontaneous parametric down-conversion (also known as SPDC, parametric fluorescence or parametric scattering) is a nonlinear instant optical process that...
    14 KB (1,637 words) - 20:10, 30 June 2025
  • material Spontaneous parametric down-conversion, in quantum optics, a source of entangled photon pairs and of single photons Optical parametric amplifier...
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  • Thumbnail for Optical parametric amplifier
    times). Optical parametric generation (OPG) (also called "optical parametric fluorescence", or "spontaneous parametric down conversion") often precedes...
    10 KB (1,279 words) - 02:46, 25 May 2025
  • Thumbnail for Quantum entanglement
    numerous forms. One of the most commonly used methods is spontaneous parametric down-conversion to generate a pair of photons entangled in polarization...
    116 KB (13,712 words) - 17:17, 10 August 2025
  • atoms as nonlinear oscillators. The nonlinear process of spontaneous parametric down conversion is often used to produce single-photon states. Finally,...
    104 KB (11,301 words) - 18:28, 22 July 2025
  • photon statistics between different beams. For example, spontaneous parametric down-conversion can generate so-called 'twin beams', where (ideally) each...
    14 KB (1,651 words) - 20:13, 5 August 2025
  • Thumbnail for Nonlinear optics
    the signal and idler degenerate in one single frequency, Spontaneous parametric down-conversion (SPDC), the amplification of the vacuum fluctuations in...
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  • Optical parametric generation (OPG), like parametric oscillation but without a resonator, using a very high gain instead Spontaneous parametric down-conversion...
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  • Thumbnail for Vacuum
    Some experimentally verified effects of vacuum fluctuations include spontaneous emission and the Lamb shift. Coulomb's law and the electric potential...
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  • Thumbnail for Timeline of quantum computing and communication
    16, 2020). "Observation of Three-Photon Spontaneous Parametric Down-Conversion in a Superconducting Parametric Cavity". Physical Review X. 10 (1): 011011...
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  • Thumbnail for Second-harmonic generation
    frequency multiplier Second-harmonic imaging microscopy Spontaneous parametric down-conversion Surface second harmonic generation He, Maosheng; Forbes...
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  • Thumbnail for Potassium titanyl phosphate
    various nonlinear optical processes, including spontaneous parametric down-conversion (SPDC), optical parametric oscillation (OPO), difference frequency generation...
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  • Thumbnail for Hardware random number generator
    the solid-state materials; optical parametric oscillator generators use the spontaneous parametric down-conversion leading to binary phase state selection...
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  • delayed-choice experiment in quantum mechanics First use of spontaneous parametric down conversion in quantum optics to exhibit entangled polarization quantum...
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  • using spontaneous parametric down-conversion. A different approach, involving the interference of non-classical light created by spontaneous parametric down-conversion...
    10 KB (1,250 words) - 17:54, 10 October 2024
  • antibunching has been observed in photon pairs produced by spontaneous parametric down-conversion. Degree of coherence Fock state Hong–Ou–Mandel effect Hanbury...
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  • Thumbnail for Quantum vacuum state
    field operators may obtain non-vanishing vacuum expectation values by spontaneous symmetry breaking. In the Standard Model, the Higgs field acquires a...
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  • and authored the dissertation Nonclassical effects from spontaneous parametric down-conversion: Adventures in quantum wonderland. Kwiat worked as a postdoc...
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  • experimental setup for achieving quantum entanglement through the spontaneous parametric down-conversion process is shown in the figure. The experimental setup that...
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  • information science. His Habilitation thesis on the topic of spontaneous parametric down-conversion, "Multi-quantum and multi-particle transitions in radio...
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  • entangled photons of lower frequency, a process known as spontaneous parametric down-conversion (SPDC). These entangled photons follow separate paths. One...
    12 KB (1,548 words) - 04:18, 25 March 2025
  • conventional two-slit experiment. However, after the slits, spontaneous parametric down-conversion (SPDC) is used to prepare an entangled two-photon state...
    38 KB (4,621 words) - 02:30, 30 June 2025
  • Council, the military regime of Myanmar (also known as Burma) Spontaneous parametric down-conversion, a process in quantum optics Social Policy and Development...
    590 bytes (105 words) - 21:22, 31 July 2020
  • methods for approaching an absolute photon source is through spontaneous parametric down-conversion (SPDC). Coincidence measurements are a key component for...
    17 KB (2,087 words) - 19:17, 18 July 2025
  • pattern eventually reforms to create a clear picture. The spontaneous parametric down-conversion (SPDC) process provides a convenient source of entangled-photon...
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  • Thumbnail for QED vacuum
    this lowest quantum state of the electromagnetic field is what leads to spontaneous emission: The transition of an excited atom to a state of lower energy...
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  • Thumbnail for Silicon carbide color centers
    single photons: spontaneous parametric down-conversion and epitaxial quantum dots.[citation needed] In spontaneous parametric down-conversion, single photons...
    18 KB (1,986 words) - 05:30, 30 June 2025
  • ququarts (states formed in photon pairs by non-degenerate spontaneous parametric down-conversion) were used to reach a channel capacity of 2.09 (with a limit...
    17 KB (2,543 words) - 01:24, 26 May 2025
  • Thumbnail for Optical ring resonators
    frequency modulation processes such as four-wave mixing and Spontaneous parametric down-conversion which generate photon pairs. Ring resonators amplify the...
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  • of particle-like photons (produced by atomic cascade or spontaneous parametric down conversion), rather than the atoms that Bell originally had in mind...
    61 KB (7,123 words) - 11:43, 27 June 2025