Ultrafast femtosecond mode-locked fiber laser plays an indispensable role in medical
imaging, space ranging, ophthalmology, terahertz spectroscopy, material micromachining …

Graphene has long been predicted to show exceptional nonlinear optical properties,
especially in the technologically important terahertz (THz) frequency range. Recent …

High flatness, wide bandwidth, and high-coherence properties of supercontinuum (SC)
generation in fibers are crucial in many applications. It is challenging to achieve SC spectra …

Ultrafast visible radiation is of great importance for many applications ranging from
spectroscopy to metrology. Because some regions in the visible range are not covered by …

The generation of light in a laser system is constrained by the gain medium, limiting the
available wavelengths. We demonstrate in-fiber generation of ultrafast pulses between∼ …

We numerically investigated widely tunable femtosecond solitons spanning from 4.1 to 7.2
µm in designed chalcogenide fibers with two rings of air holes. The core was made of Ge 15 …

We numerically investigate the generation of wavelength-tunable few-cycle pulses in the
visible spectral region through soliton-plasma interactions. We found that in a He-filled …

Advancing of photonics, aided with fruitful and abundant experimental and theoretical
studies, over the last four decades has brought about the invention of a large variety of …

A highly efficient laser system output at the H-β Fraunhofer line of 486.1 nm has been
demonstrated. A high pulse energy single-frequency hybrid 1064 nm master oscillator …

We report a high-stability wavelength-tunable ultrafast visible laser source at 440-540 nm,
which is useful for initializing and reading out a single-electron spin of cerium ion (Ce3+) …