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A π/2 Phase Advance of Photons Generated in Stimulated Emission Relative to Incident Light
ZHAO Zhenming * #,KONG Mei,XU Yameng
Department of Opto-Electronic Information Science and Technology, Changchun University of Science and Technology
*Correspondence author
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Funding: none
Opened online:17 February 2016
Accepted by: none
Citation: ZHAO Zhenming,KONG Mei,XU Yameng.A π/2 Phase Advance of Photons Generated in Stimulated Emission Relative to Incident Light[OL]. [17 February 2016] http://en.paper.edu.cn/en_releasepaper/content/4678117
 
 
Atomic stimulated emission is a process by which an incoming photon induces an excited atom to release a new photon. Current perspective believes that the new photon has an identical state as the incident one. However, it has contradictions with basic principles of quantum mechanics and a optical gain process. Through analyzing the gain process in the laser substance by wave optics, we discover that the stimulated emission from the atomic ensemble superposition is in phase with the incident wave, while the emission from a single atom is π/2 phase advanced, and the stimulated emission process is not one of photon cloning.
Keywords:laser; laser theory; optical gain process; photon clone; stimulated emission
 
 
 

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