A5051552423- Advanced Fiber Optic Sensors
- Photonic and Optical Devices
- Semiconductor Lasers and Optical Devices
- Photonic Crystal and Fiber Optics
- Advanced Fiber Laser Technologies
- Glass properties and applications
- Optical Network Technologies
- Solid State Laser Technologies
- Luminescence Properties of Advanced Materials
- Photonic Crystals and Applications
- Advanced Photonic Communication Systems
- Spectroscopy and Laser Applications
- Nonlinear Photonic Systems
- Advanced MEMS and NEMS Technologies
- Magneto-Optical Properties and Applications
- Analytical Chemistry and Sensors
- Geophysics and Sensor Technology
- Random lasers and scattering media
- Laser Material Processing Techniques
- Nonlinear Waves and Solitons
- Radiation Detection and Scintillator Technologies
- Structural Health Monitoring Techniques
- Electrowetting and Microfluidic Technologies
- Microfluidic and Capillary Electrophoresis Applications
- Photorefractive and Nonlinear Optics
UNSW Sydney
2016-2025
Beijing University of Chemical Technology
2025
Yunnan University
2025
Hunan Institute of Mental Health
2024
Hunan University of Traditional Chinese Medicine
2024
Zhongshan Hospital of Xiamen University
2024
Fudan University
2024
Shandong Academy of Sciences
2012-2023
Qilu University of Technology
2019-2023
China Southern Power Grid (China)
2023
We demonstrate mode-division multiplexed WDM transmission over 50-km of few-mode fiber using the fiber's LP 01 and two degenerate 11 modes.A EDFA is used to boost power output signal before a coherent receiver.A 6×6 time-domain MIMO equalizer recover transmitted data.We also experimentally characterize EDFA.
A novel and highly sensitive liquid level sensor based on a polymer optical fiber Bragg grating (POFBG) is experimentally demonstrated. Two different configurations are studied both show the potential to interrogate by measuring strain induced in POFBG embedded silicone rubber diaphragm, which deforms due hydrostatic pressure variations. The exhibits linear response over sensing range good repeatability. For comparison, similar using FBG inscribed silica fabricated, displays sensitivity that...
Abstract We fabricate ultrasmall phosphorene quantum dots (PQDs) with an average size of 2.6 ± 0.9 nm using a liquid exfoliation method involving ultrasound probe sonication followed by bath sonication. By coupling the as-prepared PQDs microfiber evanescent light field, PQD-based saturable absorber (SA) device exhibits ultrafast nonlinear absorption property, optical modulation depth 8.1% at telecommunication band. With integration all-fiber SA, continuous-wave passively mode-locked...
A Bragg grating in a single-mode polymer optical fiber (POF) has been created. The novel length of 1 cm with reflectivity 80% and linewidth about 0.5 nm. wavelength tunability the POF by stretching was investigated tunable range 20 nm achieved. Based on properties polymer, we believe that this kind tuning potential more than 100
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSynthesis and comparative reactivity electronic structural features of [MFe3S4]z+ cubane-type clusters (M = iron, cobalt, nickel)Jian Zhou, Michael J. Scott, Zhengguo Hu, Gang Peng, E. Munck, R. H. HolmCite this: Am. Chem. Soc. 1992, 114, 27, 10843–10854Publication Date (Print):December 1, 1992Publication History Published online1 May 2002Published inissue 1 December...
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTLow-potential nickel(III,II) complexes: new systems based on tetradentate amidate-thiolate ligands and the influence of ligand structure potentials in relation to nickel site [NiFe]-hydrogenasesH. J. Kruger, Gang Peng, R. H. HolmCite this: Inorg. Chem. 1991, 30, 4, 734–742Publication Date (Print):February 1, 1991Publication History Published online1 May 2002Published inissue 1 February...
In this work we experimentally investigate the response time of humidity sensors based on polymer optical fiber Bragg gratings. By use etching with acetone can control poly (methyl methacrylate) in order to reduce diffusion water into and hence speed up relative wavelength change caused by variations. A much improved 12 minutes for decrease 7 increase, has been achieved using a grating reduced diameter 135 microns.
We demonstrate a distributed sensing network with 500 identical ultra-weak fiber Bragg gratings (uwFBGs) in an equal separation of 2m using balanced Michelson interferometer the phase sensitive optical time domain reflectometry (φ-OTDR) for acoustic measurement. Phase, amplitude, frequency response and location information can be directly obtained at same by passive 3 × coupler demodulation. Lab experiments on detecting sound waves water tank are carried out. The results show that this...
We report on an optical bend sensor based a Bragg grating inscribed in eccentric core polymer fiber. The device exhibits the strong fiber orientation dependence, wide curvature range of ±22.7 m <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">-1</sup> , and high sensitivity 63 pm/m .
A structured optical fiber is drawn from a 3D-printed preform. Preforms containing single ring of holes around the core are fabricated using filament made modified butadiene polymer. More broadly, 3D printers capable processing soft glasses, silica, and other materials likely to come on line in not-so-distant future. printing preforms signals new milestone manufacture.
We report the first (to our knowledge) development of a Bi/Er/Al/P codoped germanosilica optical fiber showing ultrabroadband luminescence between 1000 and 1570 nm, covering O-, E-, S-, C-, L-bands, when pumped by 532, 808, or 980 nm lasers. The fluorescence profiles are found highly pump wavelength dependent, closely associated with different combinations excitations from both Bi centers Er ions as active centers. With proper selection wavelength(s), this Bi/Er could be used an gain medium...
We propose and experimentally verify an innovative label-free optical fiber biosensor based on a Mach-Zehnder interferometer for bovine serum albumin (BSA) concentration detection. The proposed utilized micro-cavity within single-mode to induce interference. A remarkable feature of this is that external media can directly interact with the core signal through microfluidic channels connected sensor surface. device was fabricated by means femtosecond laser micromachining chemical etching. type...
Photonic sensors that are able to detect and track biochemical molecules offer powerful tools for information acquisition in applications ranging from environmental analysis medical diagnosis. The ultimate aim of sensing is achieve both quantitative sensitivity selectivity. As atomically thick films with remarkable optoelectronic tunability, graphene its derived materials have shown unique potential as a chemically tunable platform sensing, thus enabling significant performance enhancement,...
Silica optical fiber was drawn from a three-dimensional printed preform. Both single mode and multimode fibers are reported. The results demonstrate additive manufacturing of glass its potential to disrupt traditional fabrication. It opens up designs for novel applications hitherto not possible.
Static soliton states in twin-core nonlinear optical fibers are examined using an improved variational approximation: the soliton's width is additional varying parameter, together with ratio of energies in, and phase difference between, two cores. For symmetric coupler, results agree well numerical ones; particular, bifurcation between asymmetric solitons shown to be slightly subcritical. control parameters cores' dispersion coefficients velocity mismatch. Soliton coupler show a strong...
The propagation and the switching of solitons in nonlinear optical fiber couplers have been investigated with a variational method within framework Lagrangian density formulation. Simple analytical solutions found to coupled Schrödinger equations that govern soliton coupler. It is shown behavior predicted by present agrees well results from numerical analysis. In particular, we analysis accurate predicting one core other. addition, our leads us discovery new eigenstates determination...
An asymmetric long period fiber grating (LPFG) with a large attenuation of −47.39dB and low insertion loss 0.34dB is fabricated by use focused CO2 laser beam to carve periodic grooves on one side the optical fiber. Such stretch-induced microbends can effectively enhance refractive index modulation increase average strain sensitivity resonant wavelength LPFG −102.89nm∕mε. The peak be tuned ∼12nm ∼20dB, respectively, application stretching force.
An optical fibre sensor system for humidity and temperature, comprising two Bragg gratings recorded in silica polymer fibre, has been characterised. The response of this is very well conditioned (2-norm condition number = 8.8) consequently uncertainties wavelength measurement do not lead to large errors the recovered temperature.