Results 11 to 20 of about 984,932 (306)
Random distributed feedback fibre lasers
Physics Reports, 2014 The concept of random lasers making use of multiple scattering in amplifying disordered media to generate coherent light has attracted a great deal of attention in recent years. Here, we demonstrate a fibre laser with a mirrorless open cavity that operates via Rayleigh scattering, amplified through the Raman effect.
Sergei K. Turitsyn +5 more
openaire +4 more sources
RIN transfer in random distributed feedback fiber lasers [PDF]
Advanced Photonics Congress, 2012 We numerically investigate relative intensity-noise transfer from a noisy pump to the generated Stokes component in random distributed feedback ultralong Raman fiber lasers. Results show transfer levels comparable to those in distributed Raman amplification and cavity-based ultralong Raman fiber lasers, but with some unique spectral features.
Nuño, Javier +2 more
openaire +5 more sources
Narrow-band generation in random distributed feedback fiber laser [PDF]
Optics Express, 2013 Narrow-band emission of spectral width down to ~0.05 nm line-width is achieved in the random distributed feedback fiber laser employing narrow-band fiber Bragg grating or fiber Fabry-Perot interferometer filters. The observed line-width is ~10 times less than line-width of other demonstrated up to date random distributed feedback fiber lasers.
Srikanth Sugavanam +3 more
openaire +4 more sources
Cascaded random distributed feedback Raman fiber laser operating at 12 μm
Optics Express, 2011 We demonstrate a CW random distributed feedback Raman fiber laser operating in a 1.2 μm spectral band. The laser generates up to 3.8 W of the quasi-CW radiation at 1175 nm with the narrow spectrum of 1 nm. Conversion efficiency reaches 60%. Up to 1 W is generated at the second Stokes wavelength of 1242 nm.
Ilya D. Vatnik +3 more
openaire +4 more sources
Random Distributed Feedback Fiber Laser [PDF]
Optics and Photonics News, 2010 Peer ...
Turitsyn, S. K. +8 more
openaire +3 more sources
Chinese Optics Letters (COL), 2023 An all-fiberized random distributed feedback Raman fiber laser (RRFL) with LP 11 mode output at 1134 nm has been demonstrated experimentally, where an intracavity acoustically induced fiber grating is employed for modal switching.
Yang Li +6 more
semanticscholar +1 more source
Photonics, 2022 We present our theoretical model and experimental results on the extreme linewidth narrowing of an erbium-doped fiber distributed feedback (DFB) laser due to an additional random DFB via Rayleigh backscattering in a long single-mode fiber connected to ...
Mikhail I. Skvortsov +8 more
doaj +1 more source
Tunable Random Fiber Laser Based on Dual-Grating Structure
Photonics, 2023 In order to reduce the pumping threshold and achieve a short-cavity single-mode transmission with a narrow-linewidth random fiber laser, we propose a tunable random fiber laser based on the combination of random grating and highly reflective fiber Bragg ...
Yanan Niu +6 more
doaj +1 more source
Journal of Lightwave Technology, 2022 A compact random fiber laser based on a short artificial Rayleigh reflector and heavily-doped Er fibers (custom-made and commercial as a reference) has been proposed, characterized and optimized in terms of efficiency, linewidth and noise level.
M. Skvortsov +5 more
semanticscholar +1 more source
Triple-Wavelength Thulium-Doped Fiber Random Laser Based on Random Fiber Grating
Photonics, 2023 We demonstrate a triple-wavelength thulium-doped fiber random laser using a 10 cm long random fiber grating to provide random distributed feedback and a superimposed fiber Bragg grating as the wavelength-selective mirror.
Lewen Zhou +5 more
doaj +1 more source