We investigate the optical emission and decay dynamics of excitons confined in large strain-free GaAs quantum dots grown by droplet epitaxy. From time-resolved measurements combined with a theoretical model we show that droplet-epitaxy quantum dots have a quantum efficiency of about 75% and an oscillator strength between 8 and 10. The quantum dots are found to be fully described by a model for ...

Here we demonstrate the optical features of fabricated inorganic-organic hybrid multiple quantum well (IO-MQW) structure, Cyclohexenyl ethyl ammonium lead iodide, (C6H9C2H4NH3)2PbI4 (CHPI). These hybrids possess strongly-resonant optical features, thermally stable and are compatible with hybrid photonics assembly. Room-temperature strong-coupling is observed when these hybrids are straightforwa...

Nickel oxide (NiO) thin films were prepared by nebulized spray pyrolysis (NSP) technique. The films are having more uniform thickness and there is no pinhole. Nickel oxide thin films have been deposited using 0.3M aqueous solution of nickel chloride NiCl2.6H2O onto microscopic glass substrates, which were chemically and ultrasonically cleaned before coating. The film depositions are carried out...

Abstract Noise is expected to play an important role in the dynamics of analog systems such as coupled oscillators which have recently been explored a hardware platform for application computing. In this work, we experimentally investigate effect noise on synchronization relaxation and their computational properties. Specifically, contrast its typically adverse effect, first demonstrate that co...

String models are designed to provide a covariant description of internal space-time structure of relativistic particles. The string is a limiting case of a series of massive beads like a pearl necklace. In the limit of infinite-number of zero-mass beads, it becomes a field-theoretic string. Another interesting limit is to keep only two pearls by eliminating all others, resulting in a harmonic ...

To investigate coupled oscillator model and community detection algorithm, an improvement method about the phase synchronization oscillator model and an optimized method (community detection via model modification) was proposed. By using the Kuramoto oscillator model as a basis, after joining the negative coupling strength, the nodes can be divided into several different synchronized clusters. ...

The role of anharmonic effects on the excitation of the double giant dipole resonance is investigated in a simple macroscopic model. Perturbation theory is used to find energies and wavefunctions of the anharmonic oscillator. The cross sections for the electromagnetic excitation of the oneand two-phonon giant dipole resonances in energetic heavy ion collisions are then evaluated through a semic...

A study on force-feedback interaction with a model of a neural oscillator provides insight into enhanced humanrobot interactions for controlling musical sound. We provide differential equations and discrete-time computable equations for the core oscillator model developed by Edward Large for simulating rhythm perception. Using a mechanical analog parameterization, we derive a force-feedback mod...