Spontaneous Parametric Down-Conversion
Quantum, Optics, Parametric, Process, Crystal, Photon
Herausgegeben: Stacy Jerrik, Ben
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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Spontaneous parametric down-conversion (SPDC) is an important process in quantum optics, used especially as a source of entangled photon pairs, and of single photons. A nonlinear crystal is used to split photons into pairs of photons that, in accordance with the law of conservation of energy, have combined energies and momenta equal to the energy and momentum of the original photon, are phase-matched in the frequency domain, and have correlated polarizations. (The sta...
Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Spontaneous parametric down-conversion (SPDC) is an important process in quantum optics, used especially as a source of entangled photon pairs, and of single photons. A nonlinear crystal is used to split photons into pairs of photons that, in accordance with the law of conservation of energy, have combined energies and momenta equal to the energy and momentum of the original photon, are phase-matched in the frequency domain, and have correlated polarizations. (The state of the crystal is unchanged by the process.) If the photons share the same polarisation it is deemed Type I correlation; if they have perpendicular polarisations it is deemed Type II.
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