Optical parametric chirped pulse amplification (OPCPA) is the workhorse to generate
intense ultrashort pulses across a broad wavelength range. Typically, OPCPA operates in …

In this paper, we present a novel closed-form model (CFM) for accurate and fast evaluation
of nonlinear interference in modern ultrawideband coherent optical fiber communication …

Multi-photon resonant spectroscopies require tunable narrowband excitation to deliver
spectral selectivity and, simultaneously, high temporal intensity to drive a nonlinear-optical …

The ever-increasing demand for training and inferring with larger machine-learning models
requires more efficient hardware solutions due to limitations such as power dissipation and …

There is a growing demand for higher computational speed and energy efficiency of
machine learning approaches and, in particular, neural networks. Optical implementation of …

Generating ultrafast pulses with better spectrotemporal control is crucial for optimizing and
characterizing nonlinear light–matter responses, yet it is limited by the gain bandwidth of …

This joint issue of Optics Express and Optical Materials Express showcases 29 articles that
report the latest advancements in nonlinear optics. These articles include contributions from …

In this Letter, we present an optimized nonlinear amplification scheme in the 2 μm
wavelength region. This laser source delivers 50 fs pulses at an 80 MHz repetition rate with …

Many types of modern lasers feature nonlinear properties, which makes controlling their
operation a challenging engineering problem. In particular, fibre lasers present both high …

A novel method for numerical modelling of noncollinear and nonlinear interaction of
femtosecond laser pulses is presented. The method relies on a separate treatment of each …