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Entanglement in a Fabry-Perot Cavity with one Mechanical Degree of Freedom in the Presence of a Quantum Dot and the Laser Phase Noise

Alizadeh, Mohammad Hossein | 2011

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  1. Type of Document: M.Sc. Thesis
  2. Language: Farsi
  3. Document No: 42191 (04)
  4. University: Sharif University of Technology
  5. Department: Physics
  6. Advisor(s): Bahrampour, Alireza
  7. Abstract:
  8. Coupling of optical and mechanical degrees of freedom through radiation pressure was, first, observed in the experiments for detection of gravitational waves. Recent experimental advances have granted reality to the long-hankered-after coupling between microscopic and macroscopic systems. In the first step, this thesis will review different aspects of cavity Optomechanics, such as: cooling, side-band formation and dynamics of an Optomechanical cavity. Then we will go further and study the Optomechanical dynamics of a cavity in the presence of an atom. To do so, we will analyze the entanglement, created between the center of mass motion of the atom and the mirror and will probe into its variation with time and optomechanical coupling constant. Then we will combine cavity Optomechanics and CQED to investigate the very case of a quantum dot in a Fabry-Perot cavity with a moving mirror. In order to do so, we will extract the Hamiltonian and then will investigate the dependence of entanglement between the quantum dot and the moving mirror upon time and optomechanical coupling. Finally, in the most dominant facet of this thesis we will investigate the effects of phase noise of a Laser on different aspects of Optomechanical entanglement
  9. Keywords:
  10. Optomechanical Coupling ; Quantum Dot ; Entanglement ; Fabry Perot Cavity ; Phase Noise

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