most citedDirectional superradiant emission from statistically independent incoherent non-classical and classical sources

62 citations

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4 papers

physics.chem-ph2016★ 27 cited

Conical-Shaped Titania Nanotubes for Optimized Light Management in DSSCs Reach Back-side Illumination Efficiencies > 8%

Seulgi So, Arian Kriesch, Ulf Peschel +1

In the present work, we introduce the anodic growth of conical shaped TiO2 nanotube arrays. These titania nanocones provide a scaffold for dye-sensitized solar cell (DSSC) structur…

quant-ph2014★ 18 cited

Near-infrared single-photon spectroscopy of a whispering gallery mode resonator using energy-resolving transition edge sensors

Michael Förtsch, Thomas Gerrits, Martin J. Stevens +9

We demonstrate a method to perform spectroscopy of near-infrared single photons without the need of dispersive elements. This method is based on a photon energy resolving transitio…

quant-ph2014★ 51 cited

Highly efficient generation of single-mode photon pairs using a crystalline whispering gallery mode resonator

Michael Förtsch, Gerhard Schunk, Josef U. Fürst +8

We report a highly efficient source of narrow-band photon pairs based on parametric down-conversion in a crystalline whispering gallery mode resonator. Remarkably, each photon of a…

quant-ph2014★ 62 cited

Directional superradiant emission from statistically independent incoherent non-classical and classical sources

S. Oppel, R. Wiegner, G. S. Agarwal +1

Superradiance is one of the outstanding problems in quantum optics since Dicke introduced the concept of enhanced directional spontaneous emission by an ensemble of identical two-l…