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Xu Fang

Academic Staff

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Xu Fang is a Lecturer in the School of Electronics and Computer Science, University of Southampton. He obtained his bachelor’s degree in Materials Science and Engineering in 2004 from Tsinghua University (1st university in China and 17th in the world according to the QS World University Rankings 2019). He then obtained his Ph.D. in Condensed Matter Physics in 2009 from the Institute of Physics, Chinese Academy of Sciences (the national research institution of China, 1st in the world in Nature Index 2018). Before joining the University of Southampton in 2012, he held a 3-year fellowship in RIKEN (the largest and most comprehensive national research institute in Japan). During this time, he became fluent in Japanese.

He has passion and experience for physics and engineering. In particular, he is interested in understanding and exploiting the behaviours of photons and electrons at the nanoscale, and applying this knowledge to developing novel devices such as high-sensitivity sensors and optical computation chips. Highlights of recent work include the first reports on metamaterial thin-film logic gates (conducted in the university's Optoelectronics Research Centre), the development of plasmonic infrared sensors and the invention of coherent illumination spectroscopy. 

His key research area is in plasmonics. He has published papers on this topic in high-impact journals including: Physical Review series (Letters, B, Applied), Applied Physics Letters, Light Science & Applications, Scientific Reports, Optics Express, Optical Materials Express and ACS Photonics. He also works on a much broader range of topics in nanophotonics and nanoelectronics through collaboration with researchers in the UK, MIT (USA), Tokyo University of Agriculture and Technology (Japan), Tsinghua University (China) and the University of Electronic Science and Technology of China. He has served on the programme committees of several international conferences including CLEO (Conference on Lasers and Electro-Optics) 2017 & 2018.

Current group members: Moise Sotto (Co), Fei He & James Frame. 

Alumni: Aramis Subee (MIT) & Ella Richards (MIT).

Grants:

Daiwa Anglo-Japanese Foundation Award, Next-generation smart sensors based on plasmon-controlled phase transition in vanadium oxide, PI.

Royal Society Research Grant for newly independent researchers, Plasmonic electrodes for electrokinetic and plasmonic hybrid sensing, PI.

Publications

Fang, Xu, Lun Tseng, Ming, Ou, Jun-Yu, MacDonald, Kevin F., Ping Tsai, Din and Zheludev, Nikolay I. (2014) Ultrafast all-optical switching via coherent modulation of metamaterial absorption. Applied Physics Letters, 104. (doi:10.1063/1.4870635).

Zheludev, N.I., Fang, X., MacDonald, K.F. and Plum, E. (2013) Coherent control of metamaterials. At MRS Materials Research Society Fall Meeting MRS Materials Research Society Fall Meeting, United States. 01 - 06 Dec 2013.

Fang, Xu, Tseng, Ming Lun, Tsai, Din Ping and Zheludev, Nikolay I. (2013) Coherent excitation-selective spectroscopy in planar metamaterials. Pre-print, (arXiv:1312.0524), 1-5.

Shi, J.H., Fang, X. and Zheludev, N.I. (2014) Coherent control of Snell's law. At Conference on Lasers and Electro-Optics (CLEO '14) Conference on Lasers and Electro-Optics (CLEO '14), United States. 08 - 13 Jun 2014. 2 pp.

Fang, X., Abokhamis Mousavi, S., Shi, J., Plum, E., MacDonald, K.F. and Zheludev, N.I. (2014) Coherent control of metamaterial functionalities. At SPIE Photonics Europe: Metamaterials SPIE Photonics Europe: Metamaterials, Belgium. 14 - 17 Apr 2014.

Shi, Jinhui, Fang, Xu, Rogers, Edward T.F., Plum, Eric, MacDonald, Kevin F. and Zheludev, Nikolay I. (2014) Coherent control of Snell's law at metasurfaces. Optics Express, 22 (17), 21051-21060. (doi:10.1364/OE.22.021051).

Fang, X., Tseng, M.L., Tsai, D.P. and Zheludev, N.I. (2014) Coherent excitation-selective spectroscopy in planar metamaterials. At CLEO '14 CLEO '14, United States. 08 - 13 Jun 2014.

Fang, X., MacDonald, K.F., Plum, E. and Zheludev, N.I. (2014) All-optical data processing via coherent control of metamaterial absorption. At Photon 14 Photon 14, United Kingdom. 01 - 04 Sep 2014.

Zheludev, N.I., MacDonald, K.F., Plum, E. and Fang, X. (2014) Coherent control in metamaterials for device and system applications. At SPIE Optics & Photonics '14 SPIE Optics & Photonics '14, United States. 17 - 21 Aug 2014.

Fang, Xu, Macdonald, Kevin and Zheludev, Nikolai (2015) Coherent data processing. University of Southampton doi:10.5258/SOTON/376804 [Dataset]

Fang, Xu, MacDonald, Kevin F. and Zheludev, Nikolay I. (2015) Controlling light with light using coherent metadevices: all-optical transistor, summator and invertor. Light : Science & Applications, 4. (doi:10.1038/lsa.2015.65).

Zheludev, N.I., MacDonald, K.F., Fang, X., Plum, E., Tsai, D.P. and Faccio, D. (2015) Coherent control of the intensity and polarization of light interacting with plasmonic metasurfaces: 100 THz bandwidth quantum level all-optical data processing and novel spectroscopic applications. At 7th International Conference on Surface Plasmon Photonics (SPP7) 7th International Conference on Surface Plasmon Photonics (SPP7), Israel. 31 May - 05 Jun 2015.

Fang, X., MacDonald, K.F. and Zheludev, N.I. (2015) Light-matter interactions in a polarization standing wave. At CLEO/Europe - EQEC CLEO/Europe - EQEC, Germany. 21 - 25 Jun 2015. 1 pp.

Fang, X., MacDonald, K.F. and Zheludev, N.I. (2015) Switching the response of metasurfaces in polarization standing waves. At 9th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics - Metamaterials '15 9th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics - Metamaterials '15, United Kingdom. 07 - 12 Sep 2015. 3 pp.

Fang, Xu, Macdonald, Kevin, Plum, Eric and Zheludev, Nikolai (2016) Coherent control of light-matter interactions in polarization standing waves - dataset. University of Southampton [Dataset]

Zheludev, N.I., Fang, X., Shi, Jinhui, MacDonald, K.F., Plum, E., Abokhamis Mousavi, S., Tseng, M.L. and Tsai, D.P. (2014) Coherent control of metamaterials. 5th International Conference on Metamaterials, Photonic Crystals and Plasmonics (META'14), Singapore. 20 - 23 May 2014.

Fang, Xu, Tseng, Ming Lun, Tsai, Din Ping and Zheludev, Nikolai (2016) Coherent excitation-selective spectroscopy dataset. University of Southampton doi:10.5258/SOTON/384842 [Dataset]

Fang, Xu, Tseng, Ming Lun, Tsai, Din Ping and Zheludev, Nikolai (2015) Coherent excitation-selective spectroscopy of multipole resonances. Physical Review Applied, 1-15. (In Press)

Fang, Xu, MacDonald, Kevin F., Plum, Eric and Zheludev, Nikolay I. (2016) Coherent control of light-matter interactions in polarization standing waves. Scientific Reports, 6. (doi:10.1038/srep31141).

Tseng, Ming Lun, Fang, Xu, Hung Chu, Cheng, Jun Wu, Hui, Huang, Yao-Wei, Tsai, Wei-Yi, Chen, Mu-Ku, Wang, Hsiang-Chu, Chen, Ching-Fu and Zheludev, Nikolai (2016) Coherent control of meta device. At SPIE Optics+Photonics SPIE Optics+Photonics, United States. 28 Aug - 01 Sep 2016.

Tseng, Ming Lun, Fang, Xu, Savinov, Vassili, Wu, Pin Chieh, Ou, Jun-Yu, Zheludev, Nikolay I. and Tsai, Din Ping (2017) Coherent selection of invisible high-order electromagnetic excitations. Nature Scientific Reports, 7. (doi:10.1038/srep44488).

Tseng, Ming Lun, Fang, Xu, Savinov, Vassili, Ou, Jun-Yu, Wu, Pin Chieh, Zheludev, Nikolai and Tsai, Din Ping (2017) Coherent selection of invisible high-order electromagnetic excitations. University of Southampton doi:10.5258/SOTON/D0010 [Dataset]

Plum, Eric, MacDonald, Kevin F., Fang, Xu, Faccio, Daniele and Zheludev, Nikolai (2017) Controlling the optical response of 2D matter in standing waves. ACS Photonics, 4 (12), 3000-3011. (doi:10.1021/acsphotonics.7b00921).

Frame, James, Green, Nicolas, Kubo, Wakana and Fang, Xu (2018) Controlling the phase transition of vanadium oxide using plasmonic metamaterials. In The 7th Advanced Lases and Photon Sources Conference (ALPS2018). 1 pp.

Frame, James, Kubo, Wakana and Fang, Xu (2018) Plasmonic tuning of effective phase transition temperature and electrical conductivity. In Conference on Lasers and Electro-Optics (CLEO) 2018. 2 pp. (doi:10.1364/CLEO_AT.2018.JW2A.95).

He, Fei, MacDonald, Kevin F. and Fang, Xu (2018) Coherent absorption at interfaces for film thickness measurement and plasmonic selective excitation. In International Conference on Nano-photonics and Nano-optoelectronics (ICNN) 2018. 1 pp.

Fang, Xu, MacDonald, Kevin and He, Fei (2018) Dataset for "Coherent illumination spectroscopy of nanostructures and thin films on thick substrates". University of Southampton doi:10.5258/SOTON/D0484 [Dataset]

He, Fei, MacDonald, Kevin F. and Fang, Xu (2018) Coherent illumination spectroscopy of nanostructures and thin films on thick substrates. Optics Express, 26 (10), 12415-12423. (doi:10.1364/OE.26.012415).

Frame, James, Green, Nicolas, Kubo, Wakana and Fang, Xu (2018) Plasmonic vanadium dioxide microbolometers with wavelength and polarization sensitivity. In SPIE Optics + Photonics. SPIE. 1 pp. (In Press)

Frame, James, Green, Nicolas and Fang, Xu (2018) Modified Maxwell Garnett model for hysteresis in phase change materials. Optical Materials Express, 8 (7), 1-9. (doi:10.1364/OME.8.001988).

Takeya, Hironobu, Frame, James, Tanaka, Takuo, Urade, Yoshiro, Fang, Xu and Kubo, Wakana (2018) Dataset for "Bolometric photodetection using plasmon-assisted resistivity change in vanadium dioxide". University of Southampton doi:10.5258/SOTON/D0615 [Dataset]

Takeya, Hironobu, Frame, James, Tanaka, Takuo, Urade, Yoshiro, Fang, Xu and Kubo, Wakana (2018) Bolometric photodetection using plasmon-assisted resistivity change in vanadium dioxide. Scientific Reports, 8, 1-5. (doi:10.1038/s41598-018-30944-2).

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