Abstract
The optical waveguide arrays can be employed to simulate the unstable quantum systems when the light propagates in them, which can present the optical Zeno and anti-Zeno effects. In this paper, we propose the scheme of periodic modulation of the coupling coefficient based on the coupling between the straight and cosine bend optical waveguides, which can realize the controllable optical Zeno and anti-Zeno effects. Based on the special decay law, the decay of light intensity in the straight waveguide can be freely controlled by selecting the appropriate observation positions.
Highlights
Controllable decay in an optical waveguide systemH. Tiana Institute of Microelectronics and Key Laboratory for Magnetism and Materials of MOE, School of Physical Science and Technology, Lanzhou University, Lanzhou 730000, China (Received 21 April 2016; accepted 9 September 2016; published online 16 September 2016)
The decay of unstable quantum systems has been studied widely in the different fields of physics
Frequent observations during the short-time could decelerate or accelerate the decay of the system under the particular conditions.[6,7,8,9,10,11,12]. These two effects have been studied and demonstrated in the field of optics which can be regarded as optical Zeno effect (OZE) and optical anti-Zeno effect (OAZE).[13,14,15,16,17,18]
Summary
H. Tiana Institute of Microelectronics and Key Laboratory for Magnetism and Materials of MOE, School of Physical Science and Technology, Lanzhou University, Lanzhou 730000, China (Received 21 April 2016; accepted 9 September 2016; published online 16 September 2016)
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