Quantum Zeno and anti-Zeno effects in an asymmetric nonlinear optical coupler

Kishore Thapliyal; Anirban Pathak

doi:10.1117/12.2182653

15 June 2015 Quantum Zeno and anti-Zeno effects in an asymmetric nonlinear optical coupler

Kishore Thapliyal, Anirban Pathak

Proceedings Volume 9654, International Conference on Optics and Photonics 2015; 96541F (2015) https://doi.org/10.1117/12.2182653
Event: International Conference on Optics and Photonics 2015, 2015, Kolkata, India

Abstract

Quantum Zeno and anti-Zeno effects in an asymmetric nonlinear optical coupler are studied. The asymmetric nonlinear optical coupler is composed of a linear waveguide (χ ⁽¹⁾) and a nonlinear waveguide (χ⁽²⁾) interacting with each other through the evanescent waves. The nonlinear waveguide has quadratic nonlinearity and it operates under second harmonic generation. A completely quantum mechanical description is used to describe the system. The closed form analytic solutions of Heisenberg's equations of motion for the different field modes are obtained using Sen-Mandal perturbative approach. In the coupler, the linear waveguide acts as a probe on the system (nonlinear waveguide). The effect of the presence of the probe (linear waveguide) on the photon statistics of the second harmonic mode of the system is considered as quantum Zeno and anti-Zeno effects. Further, it is also shown that in the stimulated case, it is easy to switch between quantum Zeno and anti-Zeno effects just by controlling the phase of the second harmonic mode of the asymmetric coupler.

Citation Download Citation

Kishore Thapliyal and Anirban Pathak "Quantum Zeno and anti-Zeno effects in an asymmetric nonlinear optical coupler", Proc. SPIE 9654, International Conference on Optics and Photonics 2015, 96541F (15 June 2015); https://doi.org/10.1117/12.2182653

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