Research Topics
| Xiaoyi BaoSummaryAffiliation: University of Ottawa Country: Canada Publications
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Detail Information
Publications
Recent progress in distributed fiber optic sensorsXiaoyi Bao
Physics Department, University of Ottawa, Ottawa, ON K1N6N5, Canada
Sensors (Basel) 12:8601-39. 2012....- Recent progress in Brillouin scattering based fiber sensorsXiaoyi Bao
Physics Department, University of Ottawa, Ottawa, ON, Canada
Sensors (Basel) 11:4152-87. 2011..Such gratings can be used to measure changes in birefringence, which is an important parameter in fiber communications. Applications for this kind of sensor can be found in aerospace, material processing and fine structures... 
Tapered-fiber-based refractive index sensor at an air/solution interfacePing Lu
Fiber Optics Group, Department of Physics, University of Ottawa, Ottawa, Ontario, Canada
Appl Opt 51:7368-73. 2012..The MFMZI is experimentally demonstrated as an evanescent wave refractive index sensor to measure concentrations of glycerol solutions by monitoring average power attenuation of the tapered fiber...- Tunable Er-doped fiber ring laser with single longitudinal mode operation based on Rayleigh backscattering in single mode fiberGuolu Yin
Department of Physics, University of Ottawa, Ottawa, Ontario, Canada
Opt Express 19:25981-9. 2011..5-3.0 kHz and a side mode suppression ratio (SMSR) of ~72 dB for electrical signal power. The tuning range is determined by the bandpass filter and gain medium used in the experiment. The laser is able to operate at S+C+L band... - Continuous wavelet transform for non-stationary vibration detection with phase-OTDRZengguang Qin
Department of Physics, University of Ottawa, Ottawa, ON K1N 6N5, Canada
Opt Express 20:20459-65. 2012..Distributed vibration measurements of 500 Hz and 500 Hz to 1 kHz sweep events over 20 cm fiber length are demonstrated using a single mode fiber... - Polarization dependence of Brillouin linewidth and peak frequency due to fiber inhomogeneity in single mode fiber and its impact on distributed fiber Brillouin sensingShangran Xie
Department of Physics, University of Ottawa, Ottawa, Ontario, Canada
Opt Express 20:6385-99. 2012.... - Rayleigh scattering-assisted narrow linewidth Brillouin lasing in cascaded fiberMeng Pang
Department of Physics, University of Ottawa, Ottawa, Ontario, Canada
Opt Lett 37:3129-31. 2012..To the best of our knowledge, it is the first report on Rayleigh scattering-assisted Brillouin lasing with single frequency and narrow linewidth in cascaded low-loss communication fibers... - Distributed birefringence measurement with beat period detection of homodyne Brillouin optical time-domain reflectometryYuangang Lu
Fiber Optics Group, Department of Physics, University of Ottawa, Ottawa, Ontario K1N6N5, Canada
Opt Lett 37:3936-8. 2012..The distributed birefringence of a 1.7 km SMF-28 and a 4.3 km large-effective-area fiber were measured with 0.6 m spatial resolution without frequency scanning of the Brillouin spectrum... - Four-wave mixing analysis of Brillouin dynamic grating in a polarization-maintaining fiber: theory and experimentDa Peng Zhou
Department of Physics, University of Ottawa, Ottawa, ON K1N 6N5, Canada
Opt Express 19:20785-98. 2011..The trends of the theoretical calculation and experimental results agree well with each other confirming that the Brillouin dynamic grating generation and detection process is indeed a four-wave mixing process... - Distributed temperature and strain discrimination with stimulated brillouin scattering and rayleigh backscatter in an optical fiberDa Peng Zhou
Department of Physics, University of Ottawa, Ottawa, Ontario, Canada
Sensors (Basel) 13:1836-45. 2013..A 92 m measurable range with the spatial resolution of 50 cm is demonstrated experimentally, and accuracies of ±1.2 °C in temperature and ±15 με in strain could be achieved... - Thermal and mechanical properties of tapered single mode fiber measured by OFDR and its application for high-sensitivity force measurementXiaozhen Wang
Fiber Optics Group, Department of Physics, University of Ottawa, 150 Louis Pasteur, Ottawa, Ontario K1N 6N5, Canada
Opt Express 20:14779-88. 2012..It was demonstrated that a taper with a waist diameter of ~6 μm has a wavelength-force coefficient of 620.83 nm/N, ~500 times higher than that of the standard single mode fiber... - Distributed vibration sensing with time-resolved optical frequency-domain reflectometryDa Peng Zhou
Department of Physics, University of Ottawa, Ottawa, ON K1N 6N5, Canada
Opt Express 20:13138-45. 2012..Standard single-mode fibers can be used as sensing head, while the measurable frequency range of 0-32 Hz with the spatial resolution of 10 cm can be achieved up to the total length of 17 m... 
2 cm spatial-resolution and 2 km range Brillouin optical fiber sensor using a transient differential pulse pairYongkang Dong
Fiber Optics Group, Department of Physics, University of Ottawa, Ottawa, K1N 6N5, Canada
Appl Opt 51:1229-35. 2012..In the experiment, a 2 cm spatial-resolution hot-spot detection with a 2 °C temperature accuracy is demonstrated over a 2 km sensing fiber...- Tunable Fabry-Perot filter using hollow-core photonic bandgap fiber and micro-fiber for a narrow-linewidth laserXiaozhen Wang
Fiber Optics Group, Department of Physics, University of Ottawa, 150 Louis Pasteur, Ottawa, Ontario K1N 6N5, Canada
Opt Express 19:9617-25. 2011..0-5.1 kHz. With FP cavity length of 2.37 ± 0.37 mm, the SLM laser can be tuned over 1557.3-1560.2 nm with a tuning step of 0.06-0.1 nm, a SMSR of 44-51 dB and a linewidth of 1.8-3.0 kHz... - Experimental study on stimulated Rayleigh scattering in optical fibersTao Zhu
Fiber Optics Group, Department of Physics, University of Ottawa, Ontario K1N 6N5, Canada
Opt Express 18:22958-63. 2010..Because of the properties of narrower bandwidth and lower threshold power of STRS in fibers, some of applications, such as narrower filter, could be realized... - Polarization averaged short-time Fourier transform technique for distributed fiber birefringence characterization using Brillouin gainShangran Xie
Department of Physics, University of Ottawa, 150 Louis Pasteur, Ottawa, Ontario K1N6N5, Canada
Appl Opt 51:4359-69. 2012..The PASTFT technique is experimentally verified by the distributed measurement of beat length and differential group delay of a standard single-mode fiber via the Brillouin optical time domain analysis system... - Simultaneous refractive index and temperature measurements using a tapered bend-resistant fiber interferometerPing Lu
Fiber Optics Group, Department of Physics, University of Ottawa, Ottawa, Ontario K1N 6N5, Canada
Opt Lett 37:4567-9. 2012..0253 rad/°C and -0.0523 rad/°C, and the RI coefficients are 4.0403 rad/RIU and 44.823 rad/RIU, respectively. The minimum errors of temperature and RI are 0.6°C and 0.001 RIU, respectively... - Characterization of the Brillouin grating spectra in a polarization-maintaining fiberYongkang Dong
Fiber Optics Group, Department of Physics, University of Ottawa, Ottawa, K1N 6N5, Canada
Opt Express 18:18960-7. 2010..In addition, the apodization of the Brillouin grating induced by the acoustic wave decay, a unique feature that is different from the Bragg grating, is observed for the first time to the best of our knowledge... - Time-division multiplexing-based BOTDA over 100 km sensing lengthYongkang Dong
Fiber Optics Group, Department of Physics, University of Ottawa, Ottawa, Ontario, K1N 6N5, Canada
Opt Lett 36:277-9. 2011..In experiment, a 100 km sensing fiber is divided into 11 sections based on the gain-controlled principle, and spatial resolutions of 0.6 m and 2 m are obtained at the end of 75 km and 100 km, respectively... - High sensitivity optical fiber current sensor based on polarization diversity and a Faraday rotation mirror cavityHongying Zhang
Fiber Optics Group, Department of Physics, University of Ottawa, Ottawa, K1N 6N5, Canada
Appl Opt 50:924-9. 2011..A linear response is obtained for current amplitude as low as several mA at an AC frequency of 1 kHz... - Fiber-optic Mach-Zehnder interferometer as a high-precision temperature sensor: effects of temperature fluctuations on surface biosensingEdouard Harris
Department of Physics, University of Ottawa, 150 Louis Pasteur St, Ottawa, Ontario K1N 6N5, Canada
Appl Opt 49:5682-5. 2010..These findings are particularly relevant in light of the recent surge of interest in fiber-optic based biosensors of various designs... - System optimization of a long-range Brillouin-loss-based distributed fiber sensorYongkang Dong
Fiber Optics Group, Department of Physics, University of Ottawa, Ottawa, Canada, K1N 6N5
Appl Opt 49:5020-5. 2010.... - Theoretical study of the effect of slow light on BOTDA spatial resolutionFabien Ravet
Fiber Optics Group, University of Ottawa, Ottawa, ON K1N 6N5, Canada
Opt Express 14:10351-8. 2006..We have shown that uniform strain and temperature distribution in a fiber gives the maximum delay induced uncertainty... - Truly distributed birefringence measurement of polarization-maintaining fibers based on transient Brillouin gratingYongkang Dong
Fiber Optics Group, Department of Physics, University of Ottawa, Ottawa, Canada K1N 6N5
Opt Lett 35:193-5. 2010..4x10(-6) and 1.3x10(-6) along the test fibers, respectively... - High-resolution DPP-BOTDA over 50 km LEAF using return-to-zero coded pulsesHao Liang
Fiber Optics Group, Department of Physics, University of Ottawa, Ottawa, Ontario K1N6N5, Canada
Opt Lett 35:1503-5. 2010..5 m and a strain resolution of 12 microepsilon (which is equivalent to a 0.7 MHz Brillouin frequency shift) have been achieved over a 50 km large effective area fiber... - Sensitive acoustic vibration sensor using single-mode fiber tapersYi Li
Department of Physics, University of Ottawa, 150 Louis Pasteur, Ottawa K1N 6N5, Ontario, Canada
Appl Opt 50:1873-8. 2011..We also discussed the phase changes of fiber tapers with different diameters under acoustic vibrations... - Effect of beam waists on performance of the tunable fiber laser based on in-line two-taper Mach-Zehnder interferometer filterGuolu Yin
Fiber Optics Group, Department of Physics, University of Ottawa, 150 Louis Pasteur, Ottawa, Ontario K1N 6N5, Canada
Appl Opt 50:5714-20. 2011..SMSR is determined by the balance between the extinction ratio of the filter and the cavity loss of the laser due to MZI filter... - Partial bit delay correlative modulation used to improve the dispersion tolerance of an optical duobinary systemZhongxi Zhang
Department of Physics, University of Ottawa, Ottawa, Ontario, Canada
Opt Express 16:11344-53. 2008..These conclusions are also valid for systems having non-negligible polarization-mode dispersion (PMD) and polarization dependent loss (PDL)...