activity
19962023
most citedDirectional emission of light from a nano-optical Yagi-Uda antenna

609 citations · 4.2k across the 137 of their papers we have counts for

collaborators
Showing 2000Show all

8 papers · 1 filter

quant-ph2000

Information and noise in photon entanglement

Holger F. Hofmann

By using finite resolution measurements it is possible to simultaneously obtain noisy information on two non-commuting polarization components of a single photon. This method can b…

quant-ph2000★ 4 cited

Finite resolution measurement of the non-classical polarization statistics of entangled photon pairs

Holger F. Hofmann

By limiting the resolution of quantum measurements, the measurement induced changes of the quantum state can be reduced, permitting subsequent measurements of variables that do not…

quant-ph2000

Photon echo signature of vibrational cat states created by femtosecond excitation of molecules

Holger F. Hofmann, Takao Fuji, Takayoshi Kobayashi

A pair of coherent femtosecond pulse excitations applied to a molecule with strong electron-phonon coupling creates a coherent superposition of a low momentum and a high momentum w…

quant-ph2000

Molecular photon echoes as a signature of vibrational cat states

Holger F. Hofmann, Takao Fuji, Atsushi Sugita +1

Quantum interference between two distinct vibrational trajectories induced by two pulse femtosecond excitation in molecules is shown to result in a photon echo, providing direct ev…

quant-ph2000

Nonclassical correlations between photon number and quadrature components of the light field

Holger F. Hofmann

Finite resolution quantum nondemolition (QND) measurements allow a determination of light field properties while preserving some of the original quantum coherence of the input stat…

quant-ph2000

Correlations of measurement information and noise in quantum measurements with finite resolution

Holger F. Hofmann, Takayoshi Kobayashi, Akira Furusawa

The original purpose of measurements is to provide us with information about a previously unknown physical property of the system observed. In the Hilbert space formalism of quantu…