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@article{1783278,
author = {Steindl, Petr and Snijders, H and Westra, G and Hissink, E and Iakovlev, K and Polla, S and Frey, JA and Norman, J and Gossard, AC and Bowers, JE and Bouwmeester, D and Loffler, W},
article_location = {COLLEGE PK},
article_number = {14},
doi = {http://dx.doi.org/10.1103/PhysRevLett.126.143601},
language = {eng},
issn = {0031-9007},
journal = {Physical Review Letters},
title = {Artificial Coherent States of Light by Multiphoton Interference in a Single-Photon Stream},
volume = {126},
year = {2021}
}
TY - JOUR
ID - 1783278
AU - Steindl, Petr - Snijders, H - Westra, G - Hissink, E - Iakovlev, K - Polla, S - Frey, JA - Norman, J - Gossard, AC - Bowers, JE - Bouwmeester, D - Loffler, W
PY - 2021
TI - Artificial Coherent States of Light by Multiphoton Interference in a Single-Photon Stream
JF - Physical Review Letters
VL - 126
IS - 14
PB - The American Physical Society
SN - 00319007
N2 - Coherent optical states consist of a quantum superposition of different photon number (Fock) states, but because they do not form an orthogonal basis, no photon number states can be obtained from it by linear optics. Here we demonstrate the reverse, by manipulating a random continuous single-photon stream using quantum interference in an optical Sagnac loop, we create engineered quantum states of light with tunable photon statistics, including approximate weak coherent states. We demonstrate this experimentally using a true single-photon stream produced by a semiconductor quantum dot in an optical microcavity, and show that we can obtain light with g((2)) (0) -> 1 in agreement with our theory, which can only be explained by quantum interference of at least 3 photons. The produced artificial light states are, however, much more complex than coherent states, containing quantum entanglement of photons, making them a resource for multiphoton entanglement.
ER -
STEINDL, Petr, H SNIJDERS, G WESTRA, E HISSINK, K IAKOVLEV, S POLLA, JA FREY, J NORMAN, AC GOSSARD, JE BOWERS, D BOUWMEESTER and W LOFFLER. Artificial Coherent States of Light by Multiphoton Interference in a Single-Photon Stream. \textit{Physical Review Letters}. COLLEGE PK: The American Physical Society, 2021, vol.~126, No~14, 6 pp. ISSN~0031-9007. Available from: https://dx.doi.org/10.1103/PhysRevLett.126.143601.
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