Volume 11, Issue 1 (International Journal of Optics and Photonics (IJOP) Vol 11, No 1, Winter-Spring 2017 2017)                   IJOP 2017, 11(1): 63-74 | Back to browse issues page

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Khademi S, Alipour S. A Non-Demolition Photon Counting Method by Four-Level Inverted Y-Type Atom. IJOP. 2017; 11 (1) :63-74
URL: http://ijop.ir/article-1-263-en.html
Department of physics, University of Zanjan
Abstract:   (810 Views)

The semi-classical model of atom-field interaction has been fully studied for some multilevel atoms, e.g. Vee, L, Cascade X , Y, and inverted Y and so on. This issue is developed into the full-quantum electrodynamics formalism, where the probe and coupling electromagnetic fields are quantized. In this article, we investigate the full-quantum model of absorption and dispersion spectrum of trapped four-levels inverted Y type atoms, interacting with a probe beam of photons as well as two-mode trapped coupling photons. It is shown that the measurement of the maximum of absorption of the probe field and its detuning gives us simply the number of two-mode coupling photons, individually. An experimental setup for this non-demolition photon counting method is proposed and the numbers of coupling photons are obtained analytically.

Full-Text [PDF 694 kb]   (459 Downloads)    
Type of Study: Research | Subject: General
Received: 2015/04/3 | Revised: 2016/08/20 | Accepted: 2016/09/26 | Published: 2017/02/18

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