Adiabatic State Conversion and Pulse Transmission in Optomechanical Systems

Details Adiabatic State Conversion and Pulse Transmission in Optomechanical Systems Adiabatic State Conversion and Pulse Transmission in Optomechanical Systems

2011-11-09

arxiv.org/abs/1111.2119v2

Phys. Rev. Lett. 108, 153604 (2012)

Physics

Quantum Physics

5 pages, 2 figures. Supplementary Materials at http://prl.aps.org/supplemental/PRL/v108/i15/e153604

Scientific paper

10.1103/PhysRevLett.108.153604

Optomechanical systems with strong coupling can be a powerful medium for quantum state engineering. Here, we show that quantum state conversion between cavity modes with different wavelengths can be realized with high fidelity by adiabatically varying the effective optomechanical couplings. The fidelity for the conversion of gaussian states is derived by solving the Langevin equation in the adiabatic limit. We also show that photon pulses can be transmitted between input-output channels with different wavelengths via the effective optomechanical couplings and the output pulse shape can also be manipulated.

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