We have developed a coupled-mode theory to describe light propagation in triple-core photonic crystal fibers (PCFs) in the nonlinear regime. The propagation equations including nonlinearities have been solved analytically. The nonlinear coupling for symmetric and asymmetric fibers is modeled for different coupling and nonlinear parameters. We investigate nonlinear inter-core coupling experimentally with a single high intensity pump beam. Optical switching of a signal beam in the presence of a control pump beam at a different wavelength is also demonstrated. The self-phase modulation (SPM) parameter gamma in the triple-core PCF studied is determined.
Introduce an isoscalar-vector interaction in the description of quark matter,
And we study its influence on the hadron-quark phase transition in the interior
Of massive neutron stars. With the constraints of neutron star observations,
Our calculation shows that the isoscalar-vector interaction be...
We study the equilibrium time correlations for the conserved fields of
Classical anharmonic chains and argue that their dynamic correlator can be
Predicted on the basis of nonlinear fluctuating hydrodynamics. In fact our
Scheme is more general and would cover also other one-dimensional hamiltonian
Cells from different parts of our bodies communicate with each other using chemical messengers in the form of hormones and neurotransmitters. They process information encoded in these chemical messages using G-protein-coupled receptors (GPCRs) located in the plasma membrane. The Nobe...
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