Results 221 to 230 of about 9,667 (268)

Bidirectional mode-locked thulium-doped fiber laser

Applied Optics, 2018
We report a bidirectional mode-locked thulium-doped fiber laser. Mode-locking is enabled by the combination of semiconductor saturable absorption and nonlinear polarization rotation. Two stable mode-locked picosecond pulse trains in opposite directions are generated with a fundamental repetition rate of ∼16.57  MHz.
Nurmemet Abdukerim, M. Imrul Kayes, Alexandre Rekik, Martin Rochette   +3 more
openaire   +2 more sources

Progress in thulium doped fiber lasers and aplifiers

SPIE Proceedings, 2012
We present results on the development of signal sources for the 2000 nm band. The ASE source is presented with a FWHM bandwidth of 70 nm and -20dB bandwidth of 229 nm with an integrated power of 7.5 mW. Narrow band lasers are presented made of a short piece of core-pumped thulium doped fiber and fiber Bragg gratings.
P. Honzátko, P. Vojtisek, B. Vitovec
openaire   +1 more source

Scaling Bottlenecks in Thulium-doped Fiber Lasers

Frontiers in Optics 2013, 2013
Thulium offers novel applications at 2 μm, and with continued developments, peak and average powers will increase to that of rival rare-earth dopants. Limitations that impede growth are namely; nonlinearities, thermal management, and fiberized components.
Alex Sincore, R. Andrew Sims, Christian Gaida, Pankaj Kadwani, Lawrence Shah, Martin C. Richardson   +5 more
openaire   +2 more sources

High Power Thulium Doped Fiber Lasers

Optical Fiber Communication Conference and National Fiber Optic Engineers Conference, 2009
Thulium-doped silica fiber lasers and amplifiers offer a route to very high average power in the two-micron wavelength regime. This presentation reviews recent progress and considers the prospects for further improvement in performance.
W. A. Clarkson, L. Pearson, Z. Zhang, J. W. Kim, D. Shen, A. J. Boyland, J. K. Sahu, M. Ibsen   +7 more
openaire   +1 more source

Tunable thulium-doped all-fiber laser

IEEE Photonics Technology Letters, 1998
We demonstrate a tunable thulium-doped fiber ring laser wherein a single fused coupler acts simultaneously as the wavelength-division multiplexing for pump radiation, a lasing wavelength selective element, and output mirror. Temperature tuning of up to 2 nm//spl deg/C over a range of 40 nm and polarization tuning of over 100 nm within the spectral ...
R.L. Shubochkin, V.A. Kozlov, A.L.G. Carter, T.F. Morse   +3 more
openaire   +1 more source

Q-switched thulium-doped photonic crystal fiber laser

Optics Letters, 2012
We report a novel, Tm-doped photonic crystal fiber (PCF) actively Q-switched oscillator that provides ~8.9 kW peak power with 435 µJ, 49 ns pulses at 10 kHz repetition rate at 2 μm wavelength. This fiber has a mode-field area >1000 μm2, the largest of any flexible PCF providing diffraction-limited beam quality to the best of our knowledge.
Pankaj, Kadwani, Norbert, Modsching, R Andrew, Sims, Lasse, Leick, Jes, Broeng, Lawrence, Shah, Martin, Richardson   +6 more
openaire   +3 more sources

Nonlinear dynamics of thulium-doped fiber lasers

Optical Fiber Communication Conference (OFC) 2025
Ultrafast thulium-doped fiber lasers that can generate different types of dissipative solitons in the same cavity are presented together with their unique transition and nonlinear dynamics, including soliton molecule formation.
Shutao Xu, Timothy Lim, Michelle Y. Sander   +2 more
openaire   +2 more sources

Thulium-doped Germanosilicate Mode-locked Fiber Lasers

Lasers, Sources, and Related Photonic Devices, 2012
We report two mode-locked thulium-doped fiber lasers in different host materials, including a 682-fs, 8.75-nJ, figure-of-eight, doped silica fiber laser and a 900-fs, 34.1-nJ, SESAM mode-locked, linear cavity, doped germanosilicate fiber laser.
C. W. Rudy, M. J. F. Digonnet, R. L. Byer, S. Jiang   +3 more
openaire   +1 more source

Q-switched thulium-doped fiber laser

Optical Engineering, 1993
A tunable Q-switched thulium-doped single-mode silica fiber laser is presented for the first time. Its performance is analyzed as a function of pulse repetition rate and pumping power. The optimization of laser parameters resulted in 4 W/1 30 ns, 1 .92-jrm wavelength pulses generated at a 4-kHz repetition rate. From the measured values of small- signal
openaire   +1 more source

Mode-locked tunable thulium-doped fiber laser

SPIE Proceedings, 2017
We report on an all-fiber, actively mode-locked, tunable, Thulium-doped, fiber laser based on a 20-GHz bandwidth electro-optic intensity modulator (EOM) and a voltage driven 2-μm, intra-cavity, fiber-coupled, Fabry-Perot tunable filter (FFP-TF). The repetition rate of output pulses was 47 MHz and the shortest measured output pulse width was 445 ps.
Wenyan Tian, Eric D. Park
openaire   +1 more source