Erwin Schrödinger – 50 Years After


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pp: 123–132

DOI: 10.4171/121-1/6

Optomechanical Schrödinger cats – a case for space

Rainer Kaltenbaek[1] and Markus Aspelmeyer[2]

(1) Universität Wien, Austria
(2) Universität Wien, Austria

Quantum optomechanics exploits radiation pressure effects inside optical cavities. It can be used to generate quantum states of the center-of-mass motion of massive mechanical objects, thereby opening up a new parameter regime for macroscopic quantum experiments. The challenging experimental conditions to maintain and observe quantum coherence for increasingly large objects may require a space environment rather than an earth-bound laboratory. We introduce a possible space experiment to study the wave-packet expansion of massive objects. This forms the basis for Schrödinger cat states of unprecedented size and mass.

Keywords: Quantum optics, quantum optomechanics

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