New schemes for quantum state generation

Vidiella-Barranco, A.

doi:10.1134/1.1405209

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Two-phonon Resonance1

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2016

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“…The two-phonon coupling between the atom and the oscillator is reminiscent of two-photon micromasers [35][36][37], and we show here that it allows the creation of squeezed states, as suggested by the form of the Hamiltonian (6) [38]. For the quantification of squeezing we introduce the standard quadrature observable…”

Section: Two-phonon Resonancementioning

confidence: 99%

Prospects of charged-oscillator quantum-state generation with Rydberg atoms

et al. 2016

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We explore the possibility of engineering quantum states of a charged mechanical oscillator by coupling it to a stream of atoms in superpositions of high-lying Rydberg states. Our scheme relies on the driving of a two-phonon resonance within the oscillator by coupling it to an atomic twophoton transition. This approach effectuates a controllable open system dynamics on the oscillator that permits the dissipative creation of squeezed and other non-classical states which are central to applications such as sensing and metrology or for studies of fundamental questions concerning the boundary between classical and quantum mechanical descriptions of macroscopic objects. We show that these features are robust to thermal noise arising from a coupling of the oscillator with the environment. Finally, we assess the feasibility of the scheme finding that the required coupling strengths are challenging to achieve with current state-of-the-art technology.

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Section: Two-phonon Resonancementioning

confidence: 99%