Dresden 2017 – wissenschaftliches Programm

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HL: Fachverband Halbleiterphysik

HL 65: Quantum Optics on the Nanoscale: From Fundamental Physics to Quantum Technologies (joined session, HL, DS, O, TT, organized by HL)

HL 65.4: Hauptvortrag

Donnerstag, 23. März 2017, 11:30–12:00, HSZ 02

Tailoring quantum states by measurement — •Jörg Wrachtrup — Institute for Quantum Science and Technology, IQST, University of Stuttgart, 70569 Stuttgart, Germany

Measurement induced back action is a unique property of quantum mechanics. It is a central challenge for a variety of applications, like error correction. However, it is also a unique tool in e.g. dissipative generation of entanglement or ground state cooling. In my talk, I will describe ways to control spin quantum states by tailored photonic measurements. I will describe of how to extend those measurement to a general scheme also, e.g. allowing to cool mesoscopic elements like mechanical oscillators.