Month: August 2018

Dr. Rasoul Roknizadeh

Dr. Rasoul Roknizadeh Professor, Director of Quantum Optics Group (IQOG)  +98-31-37934718  rokni@sci.ui.ac.ir   Physics Department, University of Isfahan, Hezarjerib Street, Isfahan, Isfahan 81746-73441, IRAN Research Interests: 1. Mathematical (Geometrical) and Theoretical Foundations of Quantum Mechanics. 2. Quantization Methods. 3. Quantum Optics and its Applications in Nano structures. 4. Mathematical Structure of Coherent States and Their Applications. 5. Philosophy of Quantum Physics. Academic Educations: PHD Geometrization of Quantum Mechanics by Berezin Quantization Technical University Clausthal, 1993-1999 M.S. Geometrization of Quantum Mechanics by Berezin Quantization University of Ferdowsi Mashhad B.C. University of Isfahan Courses: 1. Theoretical Foundations of Quantum...

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Effects of quadratic coupling and squeezed vacuum injection in an optomechanical cavity assisted with a Bose-Einstein condensate

Phys. Rev. A 97, 043619 – Published 19 April 2018  https://doi.org/10.1103/PhysRevA.97.043619 Abstract We investigate theoretically a hybrid system consisting of a Bose-Einstein condensate (BEC) trapped inside a laser-driven membrane-in-the-middle optomechanical cavity assisted with squeezed vacuum injection whose moving membrane interacts both linearly and quadratically with the radiation pressure of the cavity. It is shown that such a hybrid system is very suitable for generating strong quadrature squeezing in the mechanical mode of the membrane and the Bogoliubov mode of the BEC in the unresolved sideband regime. More interestingly, by choosing a suitable sign for the quadratic optomechanical coupling (QOC),...

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What is Quantum Optics?

Quantum optics is that branch of optics where the quantum features of light matter[1]. Quantum optics, the union of quantum field theory and physical optics, is undergoing a time of revolutionary change[2]. Quantum optics theory in its modern sense started when Roy Glauber showed, in the early 1960s, how to apply it to classical optics devices such as the Michelson stellar inter-ferometer or the Hanbury Brown and Twiss intensity interferometer. At that time it could have appeared to be an academic exercise without consequence, since the only known phenomenon that demanded quantization of light was spontaneous emission, and it...

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About IQOG

It is our pleasure to welcome you at the www-pages of the Quantum Optics Group at the University of Isfahan. Our newly established group was organized in 2002 at the department of physics and started its official activity as an independent research group in 2004 with 7 academic members and 10 Ph.D. students of Physics department. The main profile of the group is basic research in the fields of optics and photonics, including theoretical quantum optics (mainly cavity QED and quantum optomechanics), laser physics and laser spectroscopy, mathematical and theoretical foundation of quantum mechanics, quantum information and QED. The...

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