entangled photons
Full-Field Quantum Correlations of Spatially Entangled Photons
... High-dimensional entangled photons are of great inter- est in various areas in quantum information, as they prom- ise high-density encoding of quantum information [1,2], are more robust against noise and ...
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On demand semiconductor source of entangled photons which simultaneously has high fidelity, efficiency, and indistinguishability
... the entangled photons by measuring their state fidelity, that is, the overlap of our experimentally produced states with an ideal, maximally entangled state (criterion ...X photons have ...
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A Local Theory of Entangled Photons That Matches QM Predictions
... The original test of Bell’s theorem used entangled electrons, but soon after that entangled photons were the experimental choice. John Clauser and Stuart Freedman [4] and later Alain Aspect et al. ...
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Micrometer-scale integrated silicon source of time-energy entangled photons
... of entangled states on a silicon chip but the sources demonstrated so far require millimeter lengths and pump powers of the order of hundreds of mWs to produce an appreciable photon flux, hindering their ...
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Improved fidelity of triggered entangled photons from single quantum dots
... two photons per excitation cycle ...correlated entangled photon pairs ...triggered entangled photon pairs are emitted by dots with zero polarization splitting ...the entangled ( | H XX H X + | ...
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Quantum Rayleigh Annihilation of Entangled Photons
... separated photons [1] were considered to be a clear indication of an instantaneous collapse into an eigenstate of the wave function describing the two apparently entangled photons and, as a result, ...
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Angular momentum decomposition of entangled photons with an arbitrary pump
... Abstract. We calculate the biphoton state generated by spontaneous parametric down-conversion in a thin crystal and under collinear phase matching conditions using a pump consisting of any superposition of Laguerre–Gauss ...
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Information Interpretation of Heisenberg Uncertainty Relation
... In this paper the following information interpretation of uncertainty relation is proposed: if one bit of information was extracted from the system as a result of the measurement process, then the measurement itself adds ...
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On-chip frequency combs and telecommunications signal processing meet quantum optics
... of photons, which will in turn lead to larger entangled states [6–8], similarly to the approach used for other quantum platforms ...optical entangled states is commonly achieved with photon pairs in ...
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Toward a Local Theory of Light
... In presenting any local theory as a competitor to the QM theory of light, it is important to identify potential ex- perimental situations which might distinguish between the two. After all, nature will be one way or the ...
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Wieczorek, Witlef (2009): Multi-Photon Entanglement: Experimental Observation, Characterization, and Application of up to Six-Photon Entangled States. Dissertation, LMU München: Fakultät für Physik
... and entangled states of many particles are studied in quan- tum information with respect to their fundamental implications and possible ...or entangled states of many particles in order to improve classical ...
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Spatial Bunching of Entangled Four Photons
... spatially entangled photons are generated by the non- linear interaction of the pump beam with a PPKTP (periodically poled KTP ∗ ) ...such photons we used the setup as shown in ...PDC photons, ...
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Quantum-Dot-Based Telecommunication-Wavelength Quantum Relay
... an entangled photon-pair source based on a self-assembled InAs=GaAs QD in a p-i-n structure, grown by molecular beam epitaxy, similar to the sample used in ...X photons, measured with a Mach-Zehnder ...the ...
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QUANTUM CRYPTOGRAPHY WITH PHOTON PAIRS
... use entangled photon pairs for quantum cryptography was first proposed by Ekert in ...of entangled photons, illustrating the fast progress in the still new field of quantum communication [Jennewein, ...
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RETRACTED ARTICLE: Can Two Way Direct Communication Protocols Be Considered Secure?
... an entangled-photon two-way protocol based on two Bell states (pp protocol) ...prepares entangled photons in one of the Bell states and sends one of the photons to Alice and keeps the other ...
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On the production and transfer of entangled electrons and photons
... polarization-entangled photons is passed acts as a “which-way” detector for ...fully entangled Bell pairs out of partially entangled incident ra- diation, and we identify the region in ...
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Classical and quantum scattering in optical systems
... mixed entangled states in a controllable and reproducible ...maximally entangled mixed states (MEMS) [80] based upon twin-photon generation by spontaneous parametric down conversion (SPDC) has been reported ...
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Information communicated by entangled photon pairs
... A key goal of quantum communication is to determine the maximum number of bits shared between two quantum systems. An important example of this is in entanglement-based quantum key distribution (QKD) schemes. A realistic ...
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The “Dynamic Gravitation of Photons: A Hitherto Unknown Physical Quantity” New Aspects on the Physics of Photons
... the photons also occupies this very wide ...all photons always travel in a vacuum with the same constant speed of light, irrespective of the energy quantum that they transport with ...of photons in ...
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Thermal photons at PHENIX experiment
... Direct photons are one of the probes to study the properties of a hot and dense QCD ...Since photons do not interact strongly in heavy ion collisions, they can carry primordial information about the ...
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