Results 21 to 30 of about 38,520 (233)

Wideband and flat gain series erbium doped fiber amplifier using hybrid active fiber with backward pumping distribution technique

Results in Physics, 2019
A modern wideband and flat gain erbium-doped fiber amplifier (EDFA) is suggested and accomplished, by employing a recently fabricated hafnia-bismuth-erbium doped fiber (HB-EDF) and zirconia-erbium doped fiber (Zr-EDF) as a hybrid active fiber.
Alabbas A. Al-Azzawi, Aya A. Almukhtar, B.A. Hamida, S. Das, A. Dhar, M.C. Paul, H. Ahmad, S.W. Harun   +7 more
doaj   +1 more source

Passively Q-Switched 11-Channel Stable Brillouin Erbium-Doped Fiber Laser With Graphene as the Saturable Absorber

IEEE Photonics Journal, 2012
A passively Q-switch Brillouin erbium-doped fiber laser (BEDFL) with 11 stable lasing wavelengths at peak power of -15 dBm between 1550.1 nm to 1551.0 nm, 1.67- μs pulsewidth, and repetition rate of 152.40 kHz is demonstrated.
H. Ahmad, M. Z. Zulkifli, F. D. Muhammad, M. H Jemangin, K. Dimyati, B. P. Pal, S. W. Harun   +6 more
doaj   +1 more source

Hybrid Raman-erbium random fiber laser with a half open cavity assisted by artificially controlled backscattering fiber reflectors

Scientific Reports, 2021
A hybrid Raman-erbium random fiber laser with a half-open cavity assisted by chirped artificially controlled backscattering fiber reflectors is presented.
R. A. Perez-Herrera, P. Roldan-Varona, M. Galarza, S. Sañudo-Lasagabaster, L. Rodriguez-Cobo, J. M. Lopez-Higuera, M. Lopez-Amo   +6 more
doaj   +1 more source

LD-Pumped Random Fiber Laser Based on Erbium-Ytterbium Co-Doped Fiber

Photonic Sensors, 2019
In this paper, a cladding-pumped erbium-ytterbium co-doped random fiber laser (EYRFL) operating at 1550 nm with high power laser diode (LD) is proposed and experimentally demonstrated for the first time.
Qingyang Meng, Han Wu, Bing Han, Jiaqi Li, Zinan Wang   +4 more
doaj   +1 more source

70-fs mode-locked erbium-doped fiber laser with topological insulator. [PDF]

Sci Rep, 2016
Femtosecond optical pulses have applications in optical communication, astronomical frequency combs and laser spectroscopy. Here, a hybrid mode-locked erbium-doped fiber (EDF) laser with topological insulator (TI) is proposed, for the first time to our ...
Liu W, Pang L, Han H, Tian W, Chen H, Lei M, Yan P, Wei Z.   +7 more
europepmc   +2 more sources

A Comparative Study of Thermal Impact on Erbium Doped Distributed Feedback Fiber Laser Output Power

IEEE Photonics Journal, 2020
The temperature dependency of erbium doped distributed feedback fiber laser output performance is experimentally and theoretically investigated with two major pump schemes.
Jian Guo, Haifeng Qi, Zhiqiang Song, Jiasheng Ni, Chang Wang, Weitao Wang, Gangding Peng   +6 more
doaj   +1 more source

Secure key distribution using an ultra-long fiber laser with bi-directional EDFA [PDF]

EPJ Web of Conferences, 2022
In this paper we describe the implementation of a secure key distribution system based on an ultra-long fiber laser with a bi-directional erbium doped fiber amplifier.
Soares Beatriz, Guerreiro Ariel, Frazão Orlando   +2 more
doaj   +1 more source

Active Optical Fibers Doped with Ceramic Nanocrystals

Advances in Electrical and Electronic Engineering, 2014
Erbium-doped active optical fiber was successfully prepared by incorporation of ceramic nanocrystals inside a core of optical fiber. Modified chemical vapor deposition was combined with solution-doping approach to preparing preform.
Jan Mrazek, Ivan Kasik, Lenka Prochazkova, Vaclav Cuba, Jan Aubrecht, Jakub Cajzl, Ondrej Podrazky, Pavel Peterka, Martin Nikl   +8 more
doaj   +1 more source

High Efficient Random Laser with Cavity Based on the Erbium-Doped Germanophosphosilicate Artificial Rayleigh Fiber

Photonics, 2023
The Erbium “random” laser, based on the artificial Rayleigh fiber, has been comparatively studied in detail under two different pump conditions: 974.5 and 1485 nm pumping wavelengths.
Sergei Popov, Andrey Rybaltovsky, Alexei Bazakutsa, Alexander Smirnov, Dmitry Ryakhovskiy, Viktor Voloshin, Alexander Kolosovskii, Igor Vorob’ev, Viktor Isaev, Yuriy Chamorovskiy, Denis Lipatov, Oleg Butov   +11 more
doaj   +1 more source

All-fiber Mach–Zehnder comb filter based on tapered fibers for wavelength switchable erbium-doped fiber lasers

International Journal of Optomechatronics, 2020
A wavelength switchable erbium-doped fiber laser was constructed based on an all-fiber Mach–Zehnder interferometer (MZI) comb filter. The MZI consisted of a fiber with two tapers.
He Wei, Zhu Lianqing, Dong Mingli
doaj   +1 more source