CMOS platforms operating at the telecommunications wavelength either reside within the highly dissipative two-photon regime in silicon-based optical devices, or possess small nonlinearities. Bandgap engineering of non-stoichiometric silicon nitride using state-of-the-art fabrication techniques has led to our development of USRN (ultra-silicon-rich nitride) in the form of Si7N3, that possesses a...

Transition metal dichalcogenides are predicted to outperform traditional semiconductors in ballistic devices with nanoscale channel lengths. So far, experimental studies on charge transport in transition metal dichalcogenides are limited to the diffusive regime. Here we show, using ReS2 as an example, all-optical injection, detection, and coherent control of ballistic currents. By utilizing qua...

Motivated by the increased interest in experiments which light appears to propagate tunnelling at superluminal velocity, Lorentz invariant theory proposed Partha Ghose explain these surprising effects is revisited. This based on Harish-Chandra formalism, describes relativistic dynamics of a massless spin-1 boson, like photon. By this Bohmian average transport velocity electromagnetic energy for...

An efficient computation of the time-dependent forward solution for photon transport in a head model is a key capability for performing accurate inversion for functional diffuse optical imaging of the brain. The diffusion approximation to photon transport is much faster to simulate than the physically correct radiative transport equation (RTE); however, it is commonly assumed that scattering le...

Photons rarely interact—which makes it challenging to build all-optical devices in which one light signal controls another. Even in nonlinear optical media, in which two beams can interact because of their influence on themedium’s refractive index, this interaction is weak at low light levels. Here, we propose a novel approach to realizing strong nonlinear interactions at the single-photon leve...

We theoretically analyzed the photon quantum statistics properties of the output field from an optomechanical system driven by different pulsed lasers. Our results show that the probability of generating a single-photon state at the photon blockade region is greatly dependent on properties such as the shape, area, central frequency, length, and amplitude of the driving pulse. These results will...

Amplified Spontaneous Emission (ASE) noise mitigation from a pre-amp Erbium Doped Fiber Amplifier (EDFA) to the Photon Detector (PD) in optical receivers can be reduced by minimizing the EDFA ASE noise at the optical receiver level to achieve optimal optical receiver transmission performance. The photon detector used in optical receivers is either a PIN diode or an avalanche photo diode (APD). ...

We show that static and oscillating photon bubbles can be excited by diffused light in the laser cooled matter confined in a magneto-optical trap. The bubble instability is due to the coupling between the radiation field and the mean field oscillations of the ultracold gas, and it can provide a source for low frequency turbulence. We consider a diffusion-dominated regime, which can be described...

The on-chip generation of nonclassical states of light is a key requirement for future optical quantum hardware. In solid-state cavity quantum electrodynamics, such nonclassical light can be generated from self-assembled quantum dots strongly coupled to photonic crystal cavities. Their anharmonic strong light-matter interaction results in large optical nonlinearities at the single photon level,...

The Image reconstruction is an important problem in optical tomography. The process of the image processing requires the study of photon migration in biological tissue. There are several approaches to study and simulate propagation of photons in biological tissues. These approaches are categorized into stochastic and analytical groups. The Monte Carlo method as a stochastic method is widely use...