Recently, silicon‐integrated optical circuits have attracted intensive interests, thanks to the
compatibility with the complementary metal‐oxide‐semiconductor (CMOS) technology that …

Cascading is the process by which the exchange of energy between optical beams
interacting via second order nonlinearities (χ (2)) leads to various effects such as nonlinear …

We investigate the effect of phenomenological relaxation parameters on the third-order
optical nonlinearity of doped graphene by perturbatively solving the semiconductor Bloch …

The peak power of present-day lasers is limited by the pulse energy that the diffraction
gratings of an optical compressor can withstand. A promising method to overcome this …

A comprehensive treatise on the components and devices of the lightwave explosion
Multiple advances in lightwave technology have led to a veritable overload of global …

We calculate the dc current induced second harmonic generation in doped graphene using
the semiconductor Bloch equations under relaxation time approximations. We find that the …

We report studies of second-harmonic generation (SHG) of femtosecond pulses in long
periodically poled lithium niobate waveguides under large conversion conditions. Strong …

We propose and theoretically investigate a model to realize cascaded optical nonlinearity
with few atoms and photons in one-dimension (1D). The optical nonlinearity in our system is …

A comprehensive analytical approach to scalar and vectorial interaction in cascaded
quadratic nonlinearities is presented. Exact formulas for the intensity as well as the phase …

Mutual trapping of the fundamental and second-harmonic waves propagating in a material
with cascaded second-order nonlinearity is investigated. Formation of solitonlike waves …