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Quantum and classical telecommunication channel multiplexing
Andreas Lenhard, José Brito, Stephan Kucera +3
We demonstrate the multiplexing of a classical coherent and a quantum state of light in a single telecommunciation fiber. For this purpose we make use of spontaneous parametric dow…
Telecom-heralded single photon absorption by a single atom
Andreas Lenhard, Matthias Bock, Stephan Kucera +5
We present, characterize, and apply a photonic quantum interface between the near infrared and telecom spectral regions. A singly resonant optical parametric oscillator (OPO) opera…
Nanoimplantation and Purcell enhancement of single NV centers in photonic crystal cavities in diamond
Janine Riedrich-Möller, Sébastien Pezzagna, Jan Meijer +5
We present the controlled creation of single nitrogen-vacancy (NV) centers via ion implantation at the center of a photonic crystal cavity which is fabricated in an ultrapure, sing…