Dr. Yong Xu Profile

Dr. Yong Xu

Professor at Virginia Polytechnic Institute and State Univ

SPIE Involvement:

Conference Program Committee | Author

Publications (21)

Proceedings Article | 5 October 2016 Presentation + Paper

Adaptive mode control in few mode fibers and its applications

Islam Ashry, Peng Lu, Yong Xu

Proceedings Volume 9956, 995612 (2016) https://doi.org/10.1117/12.2236994

KEYWORDS: Adaptive optics, Adaptive control, Optical fibers, Fiber Bragg gratings, Sensors, Signal attenuation, Sensor networks, Absorption, Single mode fibers, Hydrogen

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Proceedings Article | 6 April 2016 Presentation + Paper

Optical fiber based imaging of bioengineered tissue construct

Etai Sapoznik, Guoguang Niu, Peng Lu, Yu Zhou, Yong Xu, Shay Soker

Proceedings Volume 9711, 97111H (2016) https://doi.org/10.1117/12.2208953

KEYWORDS: Fluorescent markers, Fluorescent proteins, Image processing, Electron multiplying charge coupled devices, Image quality, Image segmentation, Image resolution, Green fluorescent protein, Luminescence

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SPIE Journal Paper | 8 March 2016

Measurement of chromophores density using high Q-factor silica microspheres

Ishac Kandas, Nader Shehata, Chalongrat Daengngam, Islam Ashry, Yong Xu

JNP, Vol. 10, Issue 01, 016012, (March 2016) https://doi.org/10.1117/12.10.1117/1.JNP.10.016012

KEYWORDS: Chromophores, Silica, Nonlinear optics, Coating, Absorption, Molecules, Resonators, Scattering, Signal attenuation, Multilayers

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Proceedings Article | 26 August 2015 Paper

Adaptive control of waveguide modes in a few-mode fiber network

Peng Lu, Yong Xu

Proceedings Volume 9584, 95840G (2015) https://doi.org/10.1117/12.2185950

KEYWORDS: Fiber Bragg gratings, Adaptive optics, Adaptive control, Single mode fibers, Feedback signals, Charge-coupled devices, Objectives, CCD cameras, Tunable lasers, Wavefronts

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Proceedings Article | 20 August 2015 Presentation + Paper

Detection of coating fluorophores’ densities in improved Q-factor cavities

Ishac Kandas, Nader Shehata, Chalongrat Daengngam, Islam Ashry, Yong Xu

Proceedings Volume 9556, 95560J (2015) https://doi.org/10.1117/12.2189040

KEYWORDS: Chromophores, Silica, Absorption, Coating, Molecules, Nonlinear optics, Quality measurement, Multilayers, Biosensing, Resonators

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Proceedings Article | 17 September 2014 Paper

Holographic frequency resolved optical gating for spatio-temporal characterization of ultrashort optical pulse

Nikhil Mehta, Chuan Yang, Yong Xu, Zhiwen Liu

Proceedings Volume 9198, 91980E (2014) https://doi.org/10.1117/12.2062516

KEYWORDS: Holography, Second-harmonic generation, Numerical simulations, Ultrafast phenomena, Phase measurement, Interferometry, Phase retrieval, Nonlinear optics, Algorithms, Computer simulations

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Proceedings Article | 5 September 2014 Paper

Adaptive control of waveguide modes in a mulitmode waveguide

Peng Lu, Matthew Shipton, Yong Xu

Proceedings Volume 9198, 919811 (2014) https://doi.org/10.1117/12.2061802

KEYWORDS: Adaptive optics, Waveguides, Spatial light modulators, Polarizers, CCD cameras, Directional couplers, Feedback signals, Polarization, Waveguide modes, Charge-coupled devices

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Proceedings Article | 28 September 2013 Paper

Self-assembled nanomaterials for nonlinear fiber optics and tunable plasmonics

Islam Ashry, Chalongrat Daengngam, Ishac Kandas, James Heflin, Hans Robinson, Yong Xu

Proceedings Volume 8845, 88450D (2013) https://doi.org/10.1117/12.2024380

KEYWORDS: Luminescence, Polymers, Plasmonics, Second-harmonic generation, Silica, Coating, Molecular self-assembly, Gold, Nonlinear optics, Molecules

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SPIE Journal Paper | 4 June 2012 Open Access

Scanning-fiber-based imaging method for tissue engineering

Matthias Hofmann, Bryce Whited, Josh Mitchell, William Vogt, Tracy Criswell, Christopher Rylander, Marissa Rylander, Shay Soker, Ge Wang, Yong Xu

JBO, Vol. 17, Issue 06, 066010, (June 2012) https://doi.org/10.1117/12.10.1117/1.JBO.17.6.066010

KEYWORDS: Luminescence, Image resolution, Skin, Imaging systems, Tissue engineering, Signal to noise ratio, Scattering, Tissues, Tissue optics, Micromirrors

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SPIE Journal Paper | 1 July 2011 Open Access

Monte Carlo fluorescence microtomography

Alexander Cong, Wenxiang Cong, Ge Wang, Matthias Hofmann, Yong Xu

JBO, Vol. 16, Issue 07, 070501, (July 2011) https://doi.org/10.1117/12.10.1117/1.3596171

KEYWORDS: Luminescence, Monte Carlo methods, Tissue optics, Light scattering, Scattering, Microscopy, Spatial resolution, Tomography, Tissues, Biomedical optics

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Proceedings Article | 28 April 2009 Paper

Sapphire direct bonding as a platform for pressure sensing at extreme high temperatures

Evan Lally, Yong Xu, Anbo Wang

Proceedings Volume 7316, 73160Y (2009) https://doi.org/10.1117/12.820079

KEYWORDS: Sensors, Semiconducting wafers, Sapphire, Wafer bonding, Prototyping, Scanning electron microscopy, Interfaces, Polishing, Adhesives, Diffusion

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Proceedings Article | 13 April 2005 Paper

Functional micro-structured optical fibers

Yong Xu, Yanyi Huang, Amnon Yariv

Proceedings Volume 5733, (2005) https://doi.org/10.1117/12.611504

KEYWORDS: Micro optical fluidics, Optical fibers, Cladding, Polymers, Liquids, Silica, Ultraviolet radiation, Solids, Spectroscopy, Luminescence

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Proceedings Article | 9 July 2004 Paper

Bragg onion resonators with omnidirectional reflector cladding

Yong Xu, Wei Liang, James Fleming, Yanyi Huang, Amnon Yariv, Shawn-Yu Lin

Proceedings Volume 5360, (2004) https://doi.org/10.1117/12.553910

KEYWORDS: Resonators, Cladding, Silicon, Spherical lenses, Radon, Silica, Reflectors, Photonic crystals, Dielectrics, Quantum electrodynamics

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Proceedings Article | 9 July 2003 Paper

Controlling group velocity in rectangular-lattice photonic crystal waveguides

Charles Reinke, Ali Jafarpour, Ali Adibi, Yong Xu, Reginald Lee

Proceedings Volume 5000, (2003) https://doi.org/10.1117/12.480064

KEYWORDS: Waveguides, Photonic crystals, Dispersion, Crystals, Transmittance, Dielectrics, Alternate lighting of surfaces, Silicon, Magnetism, Light wave propagation

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Proceedings Article | 9 July 2003 Paper

Coupled mode analysis of the photonic crystal waveguide

John Choi, Yong Xu, Amnon Yariv

Proceedings Volume 5000, (2003) https://doi.org/10.1117/12.480061

KEYWORDS: Waveguides, Photonic crystals, Finite-difference time-domain method, Cladding, Wave propagation, Dispersion, Gallium arsenide, Photons, Waveguide modes, Numerical analysis

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Proceedings Article | 9 July 2003 Paper

Designing complex optical filters using photonic crystal microcavities

Mohammad Soltani, Amil Haque, Babak Momeni, Ali Adibi, Yong Xu, Reginald Lee

Proceedings Volume 5000, (2003) https://doi.org/10.1117/12.480062

KEYWORDS: Waveguides, Photonic crystals, Optical filters, Linear filtering, Electronic filtering, Dispersion, Optical microcavities, Electromagnetism, Radio propagation, Wave propagation

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Proceedings Article | 25 April 2002 Paper

Design of electromagnetic modes in photonic crystal optical waveguides

Sasank Reddy, Ali Adibi, Yong Xu, Reginald Lee

Proceedings Volume 4655, (2002) https://doi.org/10.1117/12.463862

KEYWORDS: Waveguides, Photonic crystals, Dispersion, Dielectrics, Electromagnetism, Gallium arsenide, Mirrors, Cladding, Waveguide modes, Finite-difference time-domain method

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Proceedings Article | 1 October 2001 Paper

Gryphon M3 system: integration of MEMS for flight control

Adam Huang, Chris Folk, Chih-Ming Ho, Z. Liu, Wesley Chu, Yong Xu, Yu-Chong Tai

Proceedings Volume 4559, (2001) https://doi.org/10.1117/12.443022

KEYWORDS: Actuators, Microelectromechanical systems, Sensors, Data mining, Control systems, Silicon, Aerodynamics, Silicon films, Aerospace engineering, Skin

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Proceedings Article | 30 July 2001 Paper

Asymptotic analysis of Bragg fibers and dielectric coaxial fibers

Yong Xu, Amnon Yariv

Proceedings Volume 4532, (2001) https://doi.org/10.1117/12.436012

KEYWORDS: Optical fibers, Cladding, Dielectrics, Finite-difference time-domain method, Radio propagation, Refractive index, Electromagnetism, Dispersion, Dielectric polarization, Solids

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Proceedings Article | 17 April 2000 Paper

FDTD calculation of the spontaneous emission coupling factor in optical microcavities

Jelena Vuckovic, Oskar Painter, Yong Xu, Amnon Yariv, Axel Scherer

Proceedings Volume 3937, (2000) https://doi.org/10.1117/12.382802

KEYWORDS: Optical microcavities, Quantum wells, Photonic crystals, Dielectrics, Finite-difference time-domain method, Electromagnetism, Adaptive optics, Magnetism, Bandpass filters, Crystal optics

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Proceedings Article | 7 April 1998 Paper

Monolithic hemispherical microlenses fabricated by selective oxidation of AlGaAs

Yong Xu, Chuan-Cheng Cheng, Reginald Lee, John O'Brien, Amnon Yariv, Axel Scherer

Proceedings Volume 3279, (1998) https://doi.org/10.1117/12.304423

KEYWORDS: Etching, Microlens, Oxides, Light emitting diodes, Crystals, Ions, Semiconductors, Lenses, Wet etching, Oxidation

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Showing 5 of 21 publications

Conference Committee Involvement (33)

Photonic and Phononic Properties of Engineered Nanostructures XV

25 January 2025 | San Francisco, California, United States

Photonic and Phononic Properties of Engineered Nanostructures XIV

29 January 2024 | San Francisco, California, United States

Photonic and Phononic Properties of Engineered Nanostructures XIII

30 January 2023 | San Francisco, California, United States

Ultrafast Nonlinear Imaging and Spectroscopy X

21 August 2022 | San Diego, California, United States

Photonic and Phononic Properties of Engineered Nanostructures XII

24 January 2022 | San Francisco, California, United States

Ultrafast Nonlinear Imaging and Spectroscopy IX

1 August 2021 | San Diego, California, United States

Photonic and Phononic Properties of Engineered Nanostructures XI

6 March 2021 | Online Only, California, United States

Ultrafast Nonlinear Imaging and Spectroscopy VIII

24 August 2020 | Online Only, California, United States

Photonic and Phononic Properties of Engineered Nanostructures X

3 February 2020 | San Francisco, California, United States

Ultrafast Nonlinear Imaging and Spectroscopy VII

11 August 2019 | San Diego, California, United States

Photonic and Phononic Properties of Engineered Nanostructures IX

4 February 2019 | San Francisco, California, United States

Ultrafast Nonlinear Imaging and Spectroscopy VI

19 August 2018 | San Diego, California, United States

Photonic and Phononic Properties of Engineered Nanostructures VIII

29 January 2018 | San Francisco, California, United States

Ultrafast Nonlinear Imaging and Spectroscopy V

6 August 2017 | San Diego, California, United States

Photonic and Phononic Properties of Engineered Nanostructures VII

30 January 2017 | San Francisco, California, United States

Ultrafast Nonlinear Imaging and Spectroscopy IV

28 August 2016 | San Diego, California, United States

Photonic and Phononic Properties of Engineered Nanostructures VI

15 February 2016 | San Francisco, California, United States

Ultrafast Nonlinear Imaging and Spectroscopy III

9 August 2015 | San Diego, California, United States

Photonic and Phononic Properties of Engineered Nanostructures V

9 February 2015 | San Francisco, California, United States

Ultrafast Nonlinear Imaging and Spectroscopy II

17 August 2014 | San Diego, California, United States

Photonic and Phononic Properties of Engineered Nanostructures IV

3 February 2014 | San Francisco, California, United States

Ultrafast Imaging and Spectroscopy

25 August 2013 | San Diego, California, United States

Photonic and Phononic Properties of Engineered Nanostructures III

3 February 2013 | San Francisco, California, United States

Photonic and Phononic Properties of Engineered Nanostructures II

23 January 2012 | San Francisco, California, United States

Photonic and Phononic Properties of Engineered Nanostructures

24 January 2011 | San Francisco, California, United States

Photonic and Phononic Crystal Materials and Devices IX

26 January 2010 | San Francisco, California, United States

Photonic and Phononic Crystal Materials and Devices VIII

27 January 2009 | San Jose, California, United States

Photonic Crystal Materials and Devices VII

21 January 2008 | San Jose, California, United States

Photonic Crystal Materials and Devices VI

22 January 2007 | San Jose, California, United States

Photonic Crystal Materials and Devices IV

23 January 2006 | San Jose, California, United States

Photonic Crystal Materials and Devices III

24 January 2005 | San Jose, California, United States

Photonic Crystal Materials and Devices II

26 January 2004 | San Jose, CA, United States

Photonic Crystal Materials and Devices

29 January 2003 | San Jose, CA, United States

Showing 5 of 33 Conference Committees

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