منابع مشابه
Manipulating Frequency Entangled Photons
A parametric down conversion source pumped by a monochromatic laser will produce frequency entangled photon pairs. We demonstrate this by an experiment in which five-dimensional frequency entanglement is manipulated at telecommunication wavelengths using commercially available components such as electro-optic phase modulators and narrowband frequency filters. A theoretical intuition for this ap...
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In this paper, a Y-shaped power splitter based on a two dimensional photonic crystal (PhC) for TE modes is designed and optimized. A triangular lattice of air holes is used for Y-shaped power divider. For analyzing these structures, plane wave expansion (PWE) and finite difference time domain (FDTD) methods are used. The simulation results show that more than 98% of the input power is transmitt...
متن کاملPolarization-entanglement-conserving frequency conversion of photons
S. Ramelow,1,2 A. Fedrizzi,2,* A. Poppe,1,3 N. K. Langford,1,2,† and A. Zeilinger1,2 1Vienna Center for Quantum Science and Technology (VCQ), Faculty of Physics, University of Vienna, Boltzmanngasse 5, A-1090 Vienna, Austria 2Institute for Quantum Optics and Quantum Information, Austrian Academy of Sciences, Boltzmanngasse 3, A-1090 Vienna, Austria 3Austrian Institute of Technology (AIT), Donau...
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Dirac has written [1] “Each photon then interferes only with itself. Interference between two different photons never occurs.” Indeed, a practical definition is that “classical” optics consists of phenomena due to the interference of photons only with themselves. However, photons obey Bose statistics which implies a “nonclassical” tendency for them to “bunch”. For a simple example of nonclassic...
متن کاملSpin-correlated interferometry for polarized and unpolarized photons on a beam splitter.
Spin interferometry of the 4th order for independent polarized as well as unpolarized photons arriving simultaneously at a beam splitter and exhibiting spin correlation while leaving it, is formulated and discussed in the quantum approach. Beam splitter is recognized as a source of genuine singlet photon states. Also, typical nonclassical beating between photons taking part in the interference ...
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ژورنال
عنوان ژورنال: Applied Materials Today
سال: 2020
ISSN: 2352-9407
DOI: 10.1016/j.apmt.2020.100636