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

Ultrafast fiber lasers have gained rapid advances in last decades for their intrinsic merits
such as potential of all-fiber format, excellent beam quality, superior power scalability, and …

Multiphoton microscopy combined with genetically encoded fluorescent indicators is a
central tool in biology. Three-photon (3P) microscopy with excitation in the short-wavelength …

Multiphoton microscopy (MPM) has been the subject of major development efforts for about
25 years for imaging biological specimens at micron scale and presented as an elegant …

The light sources operating in the spectral range 1600-1800 nm are of great interest
because of a number of potential scientific and practical applications. This stimulates a …

We fabricate and characterize a germanium/thulium (Ge/Tm) co-doped silica fiber in order to
enhance the gain at the short wavelength edge of the thulium emission band (ie 1620-1660 …

The evolution of multiphoton microscopy is critically dependent on the development of
ultrafast laser technologies. The ultrashort pulse laser source at 1.7 µm waveband is …

An external-cavity generation of powerful ultrashort pulses in an all-fiber scheme by using a
new type of phosphosilicate polarization maintaining fiber is investigated. The phosphorus …

Wavelength widely tunable femtosecond sources can be implemented by optically filtering
the leftmost/rightmost spectral lobes of a broadened spectrum due to self-phase modulation …

We demonstrate, to the best of our knowledge, the first bismuth-doped fiber laser operating
at 1.7 μm mode-locked by means of Kerr nonlinearity. The laser setup has a figure-of-eight …