Zobrazeno 1 - 10
of 26
pro vyhledávání: '"Sandhya, S. N."'
Autor:
Sandhya, S. N., Banerjee, Subhashish
Using a kinematic approach we show that the non-adiabatic, non-cyclic, geometric phase corresponding to the radiation emitted by a three level cascade system provides a sensitive diagnostic tool for determining the entanglement properties of the two
Externí odkaz:
http://arxiv.org/abs/1103.2587
Autor:
Sandhya, S. N.
We determine the two mode fock state of the radiation emitted by $V$ type three level atomic systems using the method of tomography described in our previous work. Utilizing the knowledge of the atomic/two photon state we provide a complete descripti
Externí odkaz:
http://arxiv.org/abs/1101.0882
Autor:
Sandhya, S. N., Ravishankar, V.
Publikováno v:
Physical Review A 82, 062301 (2010)
We study the quantum correlations of the radiation emitted by three level atoms (cascade type) interacting with two driving fields. In the linear regime, and in the Weisskopf-Wigner approximation, we show that the atomic and the two-photon density ma
Externí odkaz:
http://arxiv.org/abs/1004.4739
We experimentally study the absorption spectroscopy from a collection of gaseous $^87 Rb$ atoms at room temperature irradiated with three fields. Two of these fields are in a pump probe saturation absorption configuration. The third field co-propagat
Externí odkaz:
http://arxiv.org/abs/0906.5231
Autor:
Sandhya, S. N.
Publikováno v:
Phys. Rev. A 76 013802 (2007)
A scheme for the generation of non-classical pairs of photons in atomic vapours is proposed. The scheme exploits the fact that the cross correlation of the emission of photons from the extreme transitions of a four-level cascade system shows anti-bun
Externí odkaz:
http://arxiv.org/abs/0707.0720
Autor:
Sandhya, S N
Absorption profile of a four-level ladder atomic system interacting with three driving fields is studied perturbatively and analytical results are presented. Numerical results where the driving field strengths are treated upto all orders are presente
Externí odkaz:
http://arxiv.org/abs/quant-ph/0610054
Autor:
Sandhya, S N
We study resonance flourescence in a four level ladder system and illustrate some novel features due to quantum interference and atomic coherence effects. We find that under three photon resonant conditions, in some region of the parameter space of t
Externí odkaz:
http://arxiv.org/abs/quant-ph/9905098
Publikováno v:
Current Science, 2015 Dec 01. 109(11), 2002-2005.
Externí odkaz:
http://www.jstor.org/stable/24906688
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