Matthias BT. Transition temperatures of superconductors. Phys Rev. 1953;92(4):874–6.
Abstract: Superconductivity has been found in a number of new compounds between the non-superconducting transition elements and nonmetals such as Si, Ge, and Te. These findings have suggested possible criteria for superconductivity in both elements and compounds.
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Broglie L de, Silva JA e. Interpretation of a recent experiment on interference of photon beams. Phys. Rev.. 1968;172(5):1284–5.
Abstract: The interpretation of an important recent experiment by Pfleegor and Mandel according to the causal formulation of the wave-particle dualism is developed. This interpretation is simpler and seems more satisfactory than that provided by the current ideas on the nature of light.
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Pfleegor RL, Mandel L. Interference of independent photon beams. Phys. Rev.. 1967;159(5):1084–8.
Abstract: Interference effects produced by the superposition of the light beams from two independent single-mode lasers have been investigated experimentally. It is found that interference takes place even under conditions in which the light intensities are so low that, with high probability, one photon is absorbed before the next one is emitted by one or the other source. Since the average number of registered photons per trial was only about 10, photon correlation techniques were required to demonstrate the interference. The interpretation of the experiment, and the question whether it demonstrates interference between two photons, are discussed.
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Steudle GA, Schietinger S, Höckel D, Dorenbos SN, Zadeh IE, Zwiller V, et al. Measuring the quantum nature of light with a single source and a single detector. Phys. Rev. A. 2012;86(5):053814.
Abstract: An elementary experiment in optics consists of a light source and a detector. Yet, if the source generates nonclassical correlations such an experiment is capable of unambiguously demonstrating the quantum nature of light. We realized such an experiment with a defect center in diamond and a superconducting detector. Previous experiments relied on more complex setups, such as the Hanbury Brown and Twiss configuration, where a beam splitter directs light to two photodetectors, creating the false impression that the beam splitter is a fundamentally required element. As an additional benefit, our results provide a simplification of the widely used photon-correlation techniques.
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Shcherbatenko ML, Elezov MS, Goltsman GN, Sych DV. Sub-shot-noise-limited fiber-optic quantum receiver. Phys Rev A. 2020;101(3):032306 (1 to 5).
Abstract: We experimentally demonstrate a quantum receiver based on the Kennedy scheme for discrimination between two phase-modulated weak coherent states. The receiver is assembled entirely from standard fiber-optic elements and operates at a conventional telecom wavelength of 1.55 μm. The local oscillator and the signal are transmitted through different optical fibers, and the displaced signal is measured with a high-efficiency superconducting nanowire single-photon detector. We show the discrimination error rate is two times below that of a shot-noise-limited receiver with the same system detection efficiency.
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