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6 papers · 2 filters
Quantum local-field corrections and spontaneous decay
S. Scheel, L. Knoll, D. -G. Welsch +1
A recently developed scheme [S. Scheel, L. Knoll, and D.-G. Welsch, Phys. Rev. A 58, 700 (1998)] for quantizing the macroscopic electromagnetic field in linear dispersive and absor…
Cumulant expansion for studying damped quantum solitons
E. Schmidt, L. Knoell, D. -G. Welsch
The quantum statistics of damped optical solitons is studied using cumulant-expansion techniques. The effect of absorption is described in terms of ordinary Markovian relaxation th…
Generation of arbitrary quantum states of traveling fields
M. Dakna, J. Clausen, L. Knoll +1
We show that any single-mode quantum state can be generated from the vacuum by alternate application of the coherent displacement operator and the creation operator. We propose an…
Quantum state transformation by dispersive and absorbing four-port devices
L. Knoell, S. Scheel, E. Schmidt +1
The recently derived input-output relations for the radiation field at a dispersive and absorbing four-port device [T. Gruner and D.-G. Welsch, Phys. Rev. A 54, 1661 (1996)] are us…
QED commutation relations for inhomogeneous Kramers-Kronig dielectrics
S. Scheel, L. Knoell, D. -G. Welsch
Recently a quantization scheme for the phenomenological Maxwell theory of the full electromagnetic field in an inhomogeneous three-dimensional, dispersive, and absorbing dielectric…
Antibunching of distorted optical wave packets at a beam splitter
T. Gruner, D. -G. Welsch
Interference of single-photon wave packets at a beam splitter usually leads to an anticorrelation of the light intensity in the two output ports of the beam splitter. The effect ma…