Phase transition in PT symmetric active plasmonic systems
نویسندگان
چکیده
M. Mattheakis, T. Oikonomou, M. I. Molina, G. P. Tsironis Crete Center for Quantum Complexity and Nanotechnology, Department of Physics, University of Crete, PO Box 2208, 71003 Heraklion, Greece School of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138, USA Department of Physics, Nazarbayev University, 53 Kabanbay Batyr Ave., Astana 010000, Kazakhstan Departamento de F́ısica, Facultad de Ciencias, Universidad de Chile, Santiago, Chile National University of Science and Technology MISiS, Leninsky prosp. 4, Moscow, 119049, Russia (Dated: October 13, 2015)
منابع مشابه
PT-symmetry in optics
We review quantum mechanical and optical pseudoHermitian systems with an emphasis on PT-symmetric systems important for optics and electrodynamics. One of the most interesting and much discussed consequences of PT symmetry is a phase transition under which the system eigenvalues lose their PT symmetry.We show that although this phase transition is difficult to realize experimentally, a similar ...
متن کاملCausality and phase transitions in PT -symmetric optical systems
We discuss phase transitions in PT -symmetric optical systems. We show that, due to frequency dispersion of the dielectric permittivity, an optical system can have PT symmetry at isolated frequency points only. An assumption of the existence of a PT -symmetric system in a continuous frequency interval violates the causality principle. Therefore, the ideal symmetry-breaking transition cannot be ...
متن کاملEffect of Relative Phase on the Stability of Temporal Bright Solitons in a PT- Symmetric NLDC
In this paper we numerically investigate the effect of relative phase on thestability of temporal bright solitons in a Nano PT- Symmetric nonlinear directionalcoupler (NLDC) by considering gain in bar and loss in cross. We also study the effect ofrelative phase on the output perturbed bright solitons energies, in the range of 0 to 180 . By using perturbation theory three eigenfunctions an...
متن کاملLight propagation in periodically modulated complex waveguides
Light propagation in optical waveguides with periodically modulated index of refraction and alternating gain and loss are investigated for linear and nonlinear systems. Based on a multiscale perturbation analysis, it is shown that for many non-parity-time(PT -) symmetric waveguides, their linear spectrum is partially complex; thus light exponentially grows or decays upon propagation, and this g...
متن کاملParity–time symmetry and variable optical isolation in active–passive-coupled microresonators
Compound-photonic structures with gain and loss1 provide a powerful platform for testing various theoretical proposals on non-Hermitian parity–time-symmetric quantum mechanics2–5 and initiate new possibilities for shaping optical beams and pulses beyond conservative structures. Such structures can be designed as optical analogues of complex parity–timesymmetric potentials with real spectra. How...
متن کامل