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year 28, Issue 2 (ICOP & ICPET 2022 2022)
ICOP & ICPET _ INPC _ ICOFS 2022, 28(2): 145-148 |
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Setodeh Kheirabady M, Tavassoly M K, Rafeie M. Stable macroscopic mechanical entanglement in two distant dissipative optomechanical systems. ICOP & ICPET _ INPC _ ICOFS 2022; 28 (2) :145-148
URL: http://opsi.ir/article-1-2767-en.html
URL: http://opsi.ir/article-1-2767-en.html
Abstract: (434 Views)
In this paper, we introduce a method for the generation of stable entanglement between two remote macroscopic mechanical modes in optomechanical systems using Bell-state measurement. Two identical optomechanical systems each driven by an external pump field and comprising a cavity with a movable mirror and a two-level atom. By appropriate choice of frequencies of system's component, effective Hamiltonian is calculated. With considering atomic, photonic and phononic dissipations, the time evolution of each subsystem and also the whole system have been achieved. By measuring suitable Bell state of optical modes on the state of the whole system, entanglement between two macroscopic mechanical modes is created. Calculating concurrence measure for appropriate parameters indicates that a significant and stable degree of entanglement can be achieved.
Keywords: Bell-state measurement, Dissipative optomechanical systems, Entanglement generation, Entanglement stability
Type of Study: Experimental |
Subject:
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