De Angelis, Stefano, Aniello, Leonardo, Baldoni, Roberto, Lombardi, Federico, Margheri, Andrea and Sassone, Vladimiro (2017) PBFT vs proof-of-authority: applying the CAP theorem to permissioned blockchain At Italian Conference on Cybersecurity, Venice, Italy. 17 - 20 Jan 2017. 11 pp. (Submitted).
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Milošević, Milan M., Emerson, Neil G., Gardes, Frederic Y., Chen, Xia, Adikaari, A.A.D.T. and Mashanovich, Goran Z. (2011) Athermal waveguides for optical communication wavelengths Optics Letters, 36, (23), pp. 4659-4661. (PMID:22139275).
Ben Masaud, Taha M., Tarazona, A., Chen, Xia, Reed, Graham T. and Chong, Harold M.H. (2013) Low temperature hot-wire polysilicon waveguides At Conference on Lasers and Electro-Optics Pacific Rim, Japan. 30 Jun - 04 Jul 2013.
Muneeb, M., Chen, Xia, Verheyen, P., Pathak, S., Malik, A., Nedeljković, Milos, Van Campenhout, J., Mashanovich, Goran Z. and Roelkens, G.C. (2013) Demonstration of silicon-on-insulator mid-infrared spectrometers operating at 3.8µm Optics Express, 21, (10), pp. 11659-11669. (doi:10.1364/OE.21.011659).
Ben Masaud, Taha, Tarazona, Antulio, Jaberansary, Ehsan, Chen, Xia, Reed, Graham T., Mashanovich, Goran Z. and Chong, Harold M.H. (2013) Hot-wire Polysilicon Waveguides with Low Deposition Temperature Optics Letters, 38, (20), pp. 4030-4032. (doi:10.1364/OL.38.004030).
Roelkens, Gunther, Dave, Utsav, Gassenq, Alban, Hattasan, Nannicha, Hu, Chen, Kuyken, Bart, Leo, Francois, Malik, Aditya, Muneeb, Muhammad, Ryckeboer, Eva, Uvin, Sarah, Hens, Zeger, Baets, Roel, Shimura, Yosuke, Gencarelli, Federica, Vincent, Benjamin, Loo, Roger, Van Campenhout, Joris, Cerutti, Laurent, Rodriguez, Jean-Baptiste, Tournié, Eric, Chen, Xia, Nedeljković, Milos, Mashanovich, Goran, Shen, Li, Healy, Noel, Peacock, Anna C., Liu, Xiaoping, Osgood, Richard and Green, William (2013) Silicon-based heterogeneous photonic integrated circuits for the mid-infrared Optical Materials Express, 3, (9), pp. 1523-1536. (doi:10.1364/OME.3.001523).
Mashanovich, G.Z., Nedeljković, M., Milošević, M.M., Hu, Y., Ben Masaud, T.M., Jaberansary, E., Chen, Xia, Strain, M., Sorel, M., Peacock, A.C., Chong, H.M.H. and Reed, G.T. (2013) Mid-infrared photonics devices in SOI At SPIE Photonics West, United States. 02 - 07 Feb 2013.
Mashanovich, G.Z., Nedeljković, M., Chen, X., Ben Masaud, T.M., Muneeb, M., Strain, M., Sorel, M., Krauss, T.F., Roelkens, G.C., Peacock, A.C., Chong, H.M.H. and Reed, G.T. (2013) Group IV platforms for the mid-infrared At SPIE Optics & Optoelectronics: Integrated Optics: Physics and Simulations, Czech Republic. 15 - 18 Apr 2013.
Roelkens, Gunther, Dave, Utsav, Gassenq, Alban, Hattasan, Nannicha, Hu, Chen, Kuyken, Bart, Leo, Francois, Malik, Aditya, Muneeb, Muhammad, Ryckeboer, Eva, Sanchez, Dorian, Uvin, Sarah, Wang, Ruijun, Hens, Zeger, Baets, Roel, Shimura, Yosuke, Gencarelli, Federica, Vincent, Benjamin, Loo, Roger, Van Campenhout, Joris, Cerutti, Laurent, Rodriguez, Jean-Baptiste, Tournié, Eric, Chen, Xia, Nedeljković, Milos, Mashanovich, Goran, Shen, Li, Healy, Noel, Peacock, Anna C., Liu, Xiaoping, Osgood, Richard and Green, William M.J. (2014) Silicon-based photonic integration beyond the telecommunication wavelength range IEEE Journal of Selected Topics in Quantum Electronics, 20, (4), pp. 1-11. (doi:10.1109/JSTQE.2013.2294460).
Nedeljković, M., Khokhar, A.Z., Hu, Y., Chen, Xia, Soler Penadés, Jordi, Stanković, S., Chong, H.M.H., Thomson, D.J., Gardes, F.Y., Reed, G.T. and Mashanovich, G.Z. (2013) Silicon photonic devices and platforms for the mid-infrared Optical Materials Express, 3, (9), pp. 1205-1214.
Reed, G.T., Mashanovich, G.Z., Gardes, F.Y., Thomson, D.J., Hu, Youfang, Soler Penadés, J., Nedeljković, M., Khokhar, A.Z., Thomas, P., Littlejohns, Callum, Ahmad, A., Reynolds, Scott, Topley, Robert, Mitchell, C.J., Stanković, S., Owens, N., Chen, Xia, Wilson, P.R., Ke, L., Ben Masaud, T., Tarazona, A. and Chong, H.M.H., (2014) Recent results in silicon photonics at the University of Southampton Eldada, Louay A. and Lee, El-Hang (eds.) At Photonics West 2014, United States. 01 - 06 Feb 2014. , 89890D. (doi:10.1117/12.2045490).
Hu, Y., Li, T., Thomson, D.J., Chen, X., Soler Penadés, Jordi, Khokhar, A.Z., Mitchell, C.J., Reed, G.T. and Mashanovich, G.Z. (2014) Mid-infrared wavelength division (de)multiplexer using an interleaved angled multimode interferometer on the silicon-on-insulator platform Optics Letters, 39, (6), pp. 1406-1409. (doi:10.1364/OL.39.001406). (PMID:24690799).
Xu, Dan-Xia, Schmid, Jens H., Reed, Graham T., Mashanovich, Goran Z., Thomson, David J., Nedeljković, Milos, Chen, Xia, Van Thourhout, Dries, Keyvaninia, Shahram and Selvaraja, Shankar K. (2014) Silicon photonic integration platform - have we found the sweet spot? IEEE Journal of Selected Topics in Quantum Electronics, 20, (4), pp. 189-205.
Roelkens, G.C., Dave, U., Gassenq, A., Hattasan, N., Hu, C., Kuyken, B., Leo, F., Malik, A., Muneeb, M., Ryckeboer, E., Sanchez, D., Uvin, S., Wang, R., Hens, Z., Baets, R., Shimura, Y., Gencarelli, F., Vincent, B., Loo, R., Van Campenhout, J., Cerutti, J., Rodriguez, J.B., Tournié, E., Chen, Xia, Nedeljković, M., Mashanovich, G.Z., Shen, L., Healy, N., Peacock, A.C., Liu, X., Osgood, R. and Green, W.M.J. (2014) Long-wavelength silicon photonic integrated circuits At IEEE 11th International Conference on Group IV Photonics (GFP), France. 27 - 29 Aug 2014. (doi:10.1109/Group4.2014.6962009).
Cheng, Zhenzhou, Chen, Xia, Yan Wong, Chi, Xu, Ke and Ki Tsang, Hon (2012) Broadband focusing grating couplers for suspended-membrane waveguides Optics Letters, 37, (24), pp. 5181-5183. (doi:10.1364/OL.37.005181).
Cheng, Zhenzhou, Chen, Xia, Wong, Chi Yan, Xu, Ke and Tsang, Hon Ki (2012) Apodized focusing subwavelength grating couplers for suspended membrane waveguides Applied Physics Letters, 101, (10), pp. 1-4. (doi:10.1063/1.4750071).
Nedeljković, M., Hu, Y., Khokhar, A., Chen, X., Soler Penades, J., Stanković, S., Mitchell, C. and Mashanovich, G.Z. (2013) Mid-infrared silicon photonic devices for sensing applications At 5th EOS Topical Meeting on Optical Microsystems, Italy. 12 - 14 Sep 2013.
Reed, G.T., Mashanovich, G.Z., Gardes, F.Y., Thomson, David, Hu, Y., Soler Penadés, J., Nedeljković, M., Khokhar, Ali, Thomas, P., Littlejohns, Callum, Ahmad, A., Reynolds, Scott, Topley, R., Mitchell, C., Stanković, S., Chen, X., Wilson, P.R., Ke, L., Ben Masaud, T.M., Tarazona, A. and Chong, Harold (2014) Silicon photonics At 7th International Silicon-Germanium Technology and Device Meeting, Singapore. 02 - 04 Jun 2014.
Chen, X., Thomson, D.J., Crudgington, Lee, Khokhar, A.Z., Gao, L., Song, X., Li, Y. and Reed, G.T. (2016) Improving the efficiency of fibre-chip grating couplers near 1310 nm At IEEE 13th International Conference on Group IV Photonics, China. 24 - 26 Aug 2016.
Reed, Graham, Milošević, Milan, Chen, Xia and Thomson, David (2017) Trimming of ring resonators via ion implantation in silicon At Integrated Optics: Physics and Simulations III, Prague, Czech Republic. 24 Apr 2017. (doi:10.1117/12.2271673).
Chen, Xia, Milošević, Milan, Thomson, David, Khokhar, Ali, Franz, Yohann, Runge, Antoine, Mailis, Sakellaris, Peacock, Anna and Reed, Graham (2017) Phase trimming of Mach-Zehnder Interferometers by laser annealing of germanium implanted waveguides At 2017 IEEE 14th International Conference on Group IV Photonics (GFP), Berlin. 23 - 25 Aug 2017. 2 pp.
Chen, Xia, Thomson, David, Crudgington, Lee, Khokhar, Ali and Reed, Graham (2017) Dual-etch apodised grating couplers for efficient fibre-chip coupling near 1310 nm wavelength Optics Express, 25, (15), pp. 17864-17871.
Xie, Shiyu, Zhou, Xinxin, Zhang, Shiyong, Thomson, David, Chen, Xia, Reed, Graham, Ng, Jo and Tan, Chee (2016) InGaAs/AlGaAsSb avalanche photodiode with high gain-bandwidth product Optics Express, 24, (21), pp. 24242-24247. (doi:10.1364/OE.24.024242).
Reed, Graham, Milošević, Milan, Chen, Xia, Cao, Wei, Wang, Hong, Khokhar, Ali and Thomson, David (2017) Ion implantation in silicon to facilitate testing of photonic circuits , p. 1010709. (doi:10.1117/12.2252770).
Chen, Xia, Milošević, Milan, Thomson, David, Khokhar, Ali, Franz, Yohann, Runge, Antoine, Mailis, Sakellaris, Peacock, Anna and Reed, Graham (2017) Post-fabrication phase trimming of Mach-Zehnder Interferometers by laser annealing of germanium implanted waveguides Photonics Research, 5, (6), pp. 578-582.
Chen, Xia, Milosevic, Milan, Thomson, David, Khokhar, Ali, Franz, Yohann, Runge, Antoine, Mailis, Sakellaris, Peacock, Anna and Reed, Graham (2017) Dataset for: Post-fabrication Phase Trimming of Mach-Zehnder Interferometers by Laser Annealing of Germanium Implanted Waveguides University of Southampton doi:10.5258/SOTON/D0167 [Dataset]
Milošević, Milan, Chen, Xia, Cao, Wei, Khokhar, Ali Z., Thomson, David J. and Reed, Graham T., (2017) Towards autonomous testing of photonic integrated circuits Reed, Graham T. and Knights, Andrew P. (eds.) In Proceedings of Spie: Silicon Photonics XII. vol. 10108, SPIE., p. 1010817. (doi:10.1117/12.2251315).
Renowned experts in Electronics and Computer Science from the University of Southampton have outlined the disruptive potential of the emerging Internet of Things (IoT) as part of The Royal Society’s Transforming our Future conference series. Professor Dame Wendy Hall and Professor Bashir Al-Hashimi addressed an audience of industry leaders, policymakers and academics at the influential Internet of Things: Opportunities and Threats event in London on Tuesday, 3 October.
The conference, part of a series exploring the next decade’s major scientific and technical challenges, highlighted the huge growth of interest in IoT technology with its wealth of emerging applications while underlining its potential to increase productivity and change lifestyles.
Speakers at Tuesday’s event outlined key issues that pose a challenge to the translation and adoption of IoT technology, including security, economic, ethical and legal matters.
Dame Wendy, a Regius Professor in Computer Science and Director of the Web Science Institute, says, “I was thrilled to be asked by The Royal Society to organise this discussion meeting on the IoT. It is very timely as IoT devices begin to hit the high streets and are increasingly utilised by industry. It is clear that there are both opportunities and threats from this emergent technology but teasing out how we make the most of the opportunities whilst mitigating the threats is incredibly complex.”
She adds, “We addressed this issue from the perspective of four different panels and a very diverse set of panellists drawn from both industry and academia. The result was a set of very lively discussions which will be summarised in a report that we hope will have a significant impact in this space.”
Dame Wendy chaired the conference’s Technology session, which included a presentation and panel discussion with Southampton’s Dean of Physical Sciences and Engineering Arm Professor Bashir Al-Hashimi. His talk covered recent developments in hardware and energy management software that underpin the realisation of the vision of self-powered IoT devices.
Bashir explains, “The advances from work carried out with colleagues at Arm Cambridge at the Arm-ECS Research Centre are leading to an environmentally-friendly IoT electronic infrastructure, together with small energy sources critical for many IoT applications.”
He adds, “Designers and users of IoT devices need to be conscious of the cost of energy used to sense, process and communicate data, since not only the size of data matters but also its quality.”
Dr Alexander R. May is a Research Engineer at the IT Innovation Centre, a part of the University of Southampton’s department of Electronics and Computer Science. Prior to joining the IT Innovation Centre he worked immediately post-PhD as a Development Engineer at the venture capital funded start-up company WaveOptics Ltd where he developed computational techniques for the design of diffractive optical elements (DOEs) for the Augmented Reality (AR) market e.g. Google Glasses. He has authored a selection of publications on the topics of optical waveguide and fibre design, as well as teaching methodology in information theory, all with a focus on computational science, which is his passion. Over the years he has also been involved in a broad variety of mechanical and electrical engineering disciplines as well as having had some experience in the merchant navy. Outside of work he is involved in his local community where he is the Chair of Trustees at his village nursery school.
My research interests are all guided by my interest in computational physics and mathematics in simulating and predicting phenomena. At present I am working on computational lingustics and natural language processing (NLP), but I retain an interest in topics ranging from the simulation of guided-wave optical devices to topics in fluid dynamics.
PhD Optoelectronics, University of Southampton, 2015
MSc Communications Systems Engineering, University of Portsmouth, 2011
BSc Mathematics, University of Southampton, 2007
Professional Member of the Institution of Engineering and Technology (MIET)
Professional Member of the Institute of Physics (MInstP)
Reviewer for IEEE Journal of Quantum Electronics
Reviewer for OSA Journal Optics Express
Research Engineer in the IT-Innovation Centre