Project supported by the National Natural Science Foundation of China(Grant Nos.61435009,61235008,and 61405254)
Generation of noise-like rectangular pulse was investigated systematically in an Er–Yb co-doped fiber laser based on an intra-cavity coupler with different coupling ratios.When the coupling ratio was 5/95,stable mode...
the National Key Research and Development Program of China (Grant No. 2016YFF0100600);the National Natural Science Foundation of China (Grant Nos. 61735009 and 61635006).
We have proposed and demonstrated a double-cladding fiber (DCF) with cladding?mode resonance property for broadband acoustic vibration sensing. Since the fundamental mode in the core waveguide is able to be coupled to...
National Natural Science Foundation of China(NSFC)(11704260,61575129,61605122,61775146);Natural Science Foundation of Guangdong Province(2016A030310049);Major Science and Technology Project of Guangdong Province(2014B010131006);Shenzhen Science and Technology Project(JCYJ20160427105041864,JSGG20160429114438287,KQJSCX20160226194031)
We demonstrate, for the first time, to the best of our knowledge, an all-fiber figure-of-9 double-clad Tm-doped fiber laser operating in the dissipative soliton resonance(DSR) regime. Stable mode-locked rectangular pu...
supported by the National Natural Science Foundation of China(Nos.61575170 and 61605168);the State Scholarship Fund of China(No.201708130199);the Key Basic Research Program of Hebei Province(No.17961701D);"Xin Rui Gong Cheng" Talent Project of Yanshan University
Based on the principle of Fabry-Perot (F-P) interference, a new type of optical fiber curvature sensor is presented,which is fabricated by single-mode fiber(SMF), ceramic tube and double-cladding fiber (DCF). And the ...
supported by the Natural Science Foundation of Shanghai(No.17ZR1434000);the China Postdoctoral Science Foundation(No.2016M601653);the National Natural Science Foundation of China(No.61775224)
A large-mode-area neodymium-doped silicate photonic bandgap fiber was theoretically designed and experimen- tMly demonstrated. The relative index step between the high-index rods and the background glass was -0.5%, wh...
supported by the International Cooperation Projects between China and Singapore under Grant No.2009DFA12640
The Brillouin gain properties in a double-clad As2Se3 photonic crystal fiber(PCF)are simulated based on the finite-element method(FEM).The results indicate that the Brillouin gain spectrum(BGS)of our proposed ch...
Supported by the PPP Grant Scheme of University of Malaya under Grant No PG098-2014B
We demonstrate the generation of passive mode-locked double-clad ytterbium-doped fiber laser operating in a 1-micron region. We prepare the saturable absorber from commercial crystal of molybdenum disulphide (MoS2 )...
Supported by the National High-Technology Research and Development Program of China under Grant No 2013AA031501;the National Natural Science Foundation of China under Grant Nos 61575075,61535009 and 61275144
A seven-core photonic crystal fiber (PCF) is fabricated and shown to possess a Gaussian-like far-field-intensity distribution. The seven-core PCF, designed with double-cladding structure and zero dispersion waveleng...
Natural Sciences and Engineering Research Council of Canada(NSERC)
We report on an all-fiber oscillator followed by an all-fiber amplifier to produce as short as 382 fs laser pulses with up to 0.9 W average power. The oscillator is an all-normal-dispersion all-fiber dissipative solit...
supported by the Key Laboratory of Science and Technology on High Energy Laser and China Academy of Engineering Physics(Grant No.2014HEL02);the National Natural Science Foundation of China(Grant No.61307057)
In this study, original experimental data for fiber fuse in kW-level continuous-wave (CW) high power double-clad fiber (DCF) laser are reported. The propagating velocity of the fuse is 9.68 m/s in a 3.1-kW Yb-dope...