Results 191 to 200 of about 713 (248)

Femtosecond pulse amplification on a chip. [PDF]

open access: yesNat Commun
Gaafar MA   +16 more
europepmc   +1 more source

Narrow Linewidth All-Optical Microwave Oscillator Based on Torsional Radial Acoustic Modes of Single-Mode Fiber. [PDF]

open access: yesMicromachines (Basel)
Wang W   +10 more
europepmc   +1 more source
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Single-frequency thulium-doped distributed-feedback fiber laser

Optics Letters, 2004
We have successfully demonstrated a single-frequency distributed-feedback (DFB) thulium-doped silica fiber laser emitting at a wavelength of 1735 nm. The laser cavity is less than 5 cm long and is formed by intracore UV-written Bragg gratings with a phase shift. The laser is pumped at 790 nm from a Ti:sapphire laser and has a threshold pump power of 59
Søren, Agger   +2 more
exaly   +3 more sources

Broadband thulium-doped fiber ASE source

Optics Letters, 2020
We report on a flat and broadband thulium-doped amplified spontaneous emission (ASE) fiber source working around 1.85 µm in the eye-safe spectral region. Core-pumped thulium fibers were prepared in-house using the modified chemical vapor deposition method. The amplified spontaneous emission source in a backward direction with respect to the pump and in
J. Aubrecht   +5 more
openaire   +2 more sources

Photoinduced absorption in thulium-doped ZBLAN fibers

Optics Letters, 1995
We report on the observation of photoinduced absorption in four different thulium-doped ZBLAN fibers exposed to 1.12-μm light. The darkening rate is shown to follow a fourth-power dependence on the pumping intensity and a strong dependence on the Tm3+ concentration.
P, Laperle, A, Chandonnet, R, Vallee
openaire   +2 more sources

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