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Dr Ioannis Papakonstantinou

Dipl. Ing., MSc, PhD, MIEEE, MOSA

Lecturer

Room 1117, Roberts Building, UCL

Address:Department of Electronic & Electrical Engineering
University College London
Torrington Place
London
WC1E 7JE
Research Group:Electronic Materials and Devices
Personal Web Page:http://www.ee.ucl.ac.uk/~ipapakon
E-mail: i.papakonstantinou@ee.ucl.ac.uk
Telephone: +44 (0)20 7679 7302 / 37302 (internal)  
Fax:+44 (0)20 7388 9325

Ioannis is a Lecturer in Nanophotonics in the Electronic and Electrical Engineering department at University College London. He graduated with a first class degree in Electrical and Computer Engineering from the National Technical University of Athens, Greece in 2000. Following this, he obtained an MSc in Broadband Technologies for Communications with distinction from University College London in 2002 and a PhD in Polymer Optical Waveguide Interconnections again from UCL in 2007. He joined Sharp Laboratories of Europe, Oxford in 2008 as a Research Associate where he investigated subwavelength gratings fabricated with nanoimprint lithography to reduce the thickness and to improve the brightness and the uniformity of backlights in liquid crystal displays. He moved to Geneva, Switzerland in 2009 to work for CERN – European Organization for Nuclear Research - initially as an ITN Marie-Curie Fellow, experienced researcher and then as a CERN Fellow. Ioannis’ prime subject of research at CERN was high-speed, point-to-multipoint fiber optic networks for the distribution of timing-trigger and control signals in the Large Hadron Collider. He was appointed as a Lecturer at UCL in 2011.

Ioannis is the author of more than 30 peer-reviewed publications in international journals and conference proceedings and he is the holder of seven granted and pending patents. He has been awarded a number of scholarships and awards for his research accomplishments.

His current research interests focus on the electromagnetic modelling of propagation phenomena in optical waveguides and the theoretical investigation, fabrication and characterization of photonic nanostructures to improve the energy conversion efficiency in organic and semiconductor solar cells and in luminescent solar concentrators

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Number of items: 57.

2014

Haigh, PA; Bausi, F; Ghassemlooy, Z; Papakonstantinou, I; Le Minh, H; Fléchon, C; Cacialli, F; (2014) Visible light communications: real time 10 Mb/s link with a low bandwidth polymer light-emitting diode. Opt Express , 22 (3) 2830 - 2838.

Li, J; Taylor, A; Papakonstantinou, I; Zhang, E; Beard, P; (2014) Highly sensitive optical microresonator sensors for photoacoustic imaging. In: Proc. SPIE. (pp. 89430C-89430C-10 - 89430C-89430C-10).

Mosse, CA; Colchester, RJ; Bhachu, DS; Zhang, EZ; Papakonstantinou, I; Desjardins, AE; (2014) Fiber optic ultrasound transducers with carbon/PDMS composite coatings. In: Proc. SPIE. (pp. 89430P-89430P-7 - 89430P-89430P-7).

2013

Ghassemlooy, Z; Haigh, PA; Arca, F; Tedde, SF; Hayden, O; Papakonstantinou, I; Rajbhandari, S; (2013) Visible light communications: 3.75Mbits/s data rate with a 160kHz bandwidth organic photodetector and artificial neural network equalization \[Invited\]. Photon. Res. , 1 , Article 2. 10.1364/PRJ.1.000065.

Haigh, PA; Ghassemlooy, Z; Papakonstantinou, I; (2013) 1.4-Mb/s White Organic LED Transmission System Using Discrete Multitone Modulation. IEEE PHOTONICS TECHNOLOGY LETTERS , 25 (6) 615 - 618. 10.1109/LPT.2013.2244879.

Haigh, PA; Ghassemlooy, Z; Papakonstantinou, I; Minh, HL; (2013) 2.7 Mb/s With a 93-kHz White Organic Light Emitting Diode and Real Time ANN Equalizer. IEEE PHOTONICS TECHNOLOGY LETTERS , 25 (17) 1687 - 1690. 10.1109/LPT.2013.2273850.

Haigh, PA; Ghassemlooy, Z; Papakonstantinou, I; Rajbhandari, S; (2013) Online artificial neural network equalization for a visible light communications system with an organic light emitting diode based transmitter. In: Proceedings of the 2013 18th European Conference on Network and Optical Communications, NOC 2013 and 2013 8th Conference on Optical Cabling and Infrastructure, OC and I 2013. (pp. 153 - 158).

Haigh, PA; Ghassemlooy, Z; Rajbhandari, S; Papakonstantinou, I; (2013) Visible Light Communications Using Organic Light Emitting Diodes. IEEE COMMUNICATIONS MAGAZINE , 51 (8) 148 - 154.

Haigh, PA; Ghassemlooy, Z; Rajbhandari, S; Papakonstantinou, I; Tedde, F; Tedde, SF; Hayden, O; (2013) A MIMO-ANN system for increasing data rates in organic visible light communications systems. IEEE International Conference on Communications 5322 - 5327. 10.1109/ICC.2013.6655433.

Papadopoulos, S; El Nasr-Storey, SS; Troska, J; Vasey, F; Papakonstantinou, I; Darwazeh, I; (2013) Component and system level studies of radiation damage impact on reflective electroabsorption modulators for use in HL-LHC Data transmission. IEEE Transactions on Nuclear Science , 60 (1) 386 - 393. 10.1109/TNS.2012.2231964.

Taylor, A; Papakonstantinou, I; Parkin, I; (2013) A Bioinspired Solution for Spectrally Selective Thermochromic VO2 Coated Intelligent Glazing. In: Materials Research Science Fall Meeting. MRS Fall Boston, Paper GG5.03.

Taylor, A; Parkin, I; Noor, N; Tummeltshammer, C; Brown, MS; Papakonstantinou, I; (2013) A bioinspired solution for spectrally selective thermochromic VO<sub>2</sub> coated intelligent glazing. Opt Express , 21 Suppl 5 A750 - A764. Gold open access

Tummeltshammer, C; Brown, MS; Taylor, A; Kenyon, AJ; Papakonstantinou, I; (2013) Efficiency and loss mechanisms of plasmonic Luminescent Solar Concentrators. Optics Express , 21 (S5) A735 - A749. 10.1364/OE.21.00A735. Green and gold open access
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2012

Haigh, PA; Ghassemlooy, Z; Le Minh, H; Rajbhandari, S; Arca, F; Tedde, SF; ... Papakonstantinou, I; + view all (2012) Exploiting equalization techniques for improving data rates in organic optoelectronic devices for visible light communications. Journal of Lightwave Technology , 30 (19) 3081 - 3088. 10.1109/JLT.2012.2210028.

Pitwon, RCA; Wang, K; Graham-Jones, J; Papakonstantinou, I; Baghsiahi, H; Offrein, BJ; ... Selviah, DR; + view all (2012) FirstLight: Pluggable Optical Interconnect Technologies for Polymeric Electro-Optical Printed Circuit Boards in Data Centers. Journal of Lightwave Technology , 30 (21) 3316 - 3329. 10.1109/JLT.2012.2214764. Green open access
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2011

Montgomery, D; PAPAKONSTANTINOU, I; Mather, J; Meelis, L; (2011) Backlight.

Papadopoulos, S; Darwazeh, I; Papakonstantinou, I; Troska, J; Vasey, F; (2011) An electroabsorption modulator-based network architecture for particle physics applications. JOURNAL OF INSTRUMENTATION , 6 , Article ARTN C12012. 10.1088/1748-0221/6/12/C12012.

Papadopoulos, S; Darwazeh, I; Papakonstantinou, I; Troska, J; Vasey, F; (2011) An electroabsorption modulator-based network architecture for particle physics applications. Journal of Instrumentation , 6 , Article 12.

Papadopoulos, S; Vasey, F; Troska, J; Papakonstantinou, I; Darwazeh, I; (2011) A network architecture for bidirectional data transfer in high-energy physics experiments using electroabsorption modulators. 16th European Conference on Networks and Optical Communications, NOC 2011 68 - 71.

PAPAKONSTANTINOU, I; Montgomery, D; (2011) A Uniform Diffractive Backlight.

Papakonstantinou, I; Soos, C; Papadopoulos, S; Détraz, S; Sigaud, C; Stejskal, P; ... Darwazeh, I; + view all (2011) A fully bidirectional optical network with latency monitoring capability for the distribution of timing-trigger and control signals in high-energy physics experiments. IEEE Transactions on Nuclear Science , 58 (4 PART 1) 1628 - 1640. 10.1109/TNS.2011.2154364.

PAPAKONSTANTINOU, I; Soos, C; Papadopoulos, S; Detraz, S; Sigaud, C; Stejskal, P; ... Darwazeh, I; + view all (2011) A Fully Bidirectional Optical Network With Latency Monitoring Capability for the Distribution of Timing-Trigger and Control Signals in High-Energy Physics Experiments. IEEE Transactions on Nuclear Science , 58 (4) pp. 1628-1640. 10.1109/TNS.2011.2154364. Green open access
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Troska, J; Bobillier, V; Detraz, S; Papadopoulos, S; Papakonstantinou, I; Storey, S; ... Vasey, F; + view all (2011) Versatile Transceiver developments. J INSTRUM , 6 , Article C01089. 10.1088/1748-0221/6/01/C01089.

2010

Montgomery, D; PAPAKONSTANTINOU, I; (2010) Light Collimating Lightguide.

PAPAKONSTANTINOU, I; Montgomery, D; (2010) Polarized Diffractive Bcklight.

Papakonstantinou, I; Papadopoulos, S; Soos, C; Troska, J; Vasey, F; Vichoudis, P; (2010) Modal Dispersion Mitigation in Standard Single-Mode Fibers at 850 nm With Fiber Mode Filters. IEEE PHOTONIC TECH L , 22 (20) 1476 - 1478. 10.1109/LPT.2010.2063698.

Papakonstantinou, I; Soos, C; Papadopoulos, S; Detraz, S; Sigaud, C; Stejskal, P; ... Vasey, F; + view all (2010) Passive optical networks for timing-trigger and control applications in high energy physics experiments. In: Conference Record - 2010 17th IEEE-NPSS Real Time Conference, RT10.

Selviah, DR; Walker, AC; Hutt, DA; Wang, K; McCarthy, A; Fernandez, EA; ... Bryson, C; + view all (2010) Integrated optical and electronic interconnect PCB manufacturing research. CIRCUIT WORLD , 36 (2) 5 - 19. 10.1108/03056121011041654.

Stejskal, P; Detraz, S; Papadopoulos, S; Papakonstantinou, I; Sigaud, C; Soos, C; ... Vasey, F; + view all (2010) Modelling radiation-effects in semiconductor lasers for use in SLHC experiments. In: JOURNAL OF INSTRUMENTATION. (pp. ? - ?). IOP PUBLISHING LTD

Suckling, J; Zhang, T; Montgomery, D; PAPAKONSTANTINOU, I; (2010) Light guide, backlight and display. US 2010/0142223.

2009

Amaral, L; Dris, S; Gerardin, A; Huffman, T; Issever, C; Pacheco, AJ; ... Ye, J; + view all (2009) The versatile link, a common project for super-LHC. JOURNAL OF INSTRUMENTATION , 4 , Article P12003. 10.1088/1748-0221/4/12/P12003.

Detraz, S; Silva, S; Moreira, P; Papadopoulos, S; Papakonstantinou, I; Seif El Nasr, S; ... Versmissen, H; + view all (2009) FPGA-based bit-error-rate tester for SEU-hardened optical links. Proceedings of the Topical Workshop on Electronics for Particle Physics, TWEPP 2009 636 - 640.

Papakonstantinou, I; James, R; Selviah, DR; (2009) Radiation- and Bound-Mode Propagation in Rectangular, Multimode Dielectric, Channel Waveguides With Sidewall Roughness. J LIGHTWAVE TECHNOL , 27 (18) 4151 - 4163. 10.1109/JLT.2009.2022766. Green open access
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Papakonstantinou, I; Soos, C; Papadopoulos, S; Troska, J; Vasey, F; Baron, S; ... Darwazeh, I; + view all (2009) Passive optical networks for the distribution of timed signals in particle physics experiments. Proceedings of the Topical Workshop on Electronics for Particle Physics, TWEPP 2009 352 - 356.

Selviah, DR; Wang, K; Baghsiahi, H; Hutt, DA; Chappell, J; Zakariyah, SS; ... DeShazer, D; + view all (2009) Optical Printed Circuit Board Flagship Project. In: IeMRC Research Portfolio. (pp. 3 - 6).

Silva, S; Amara, LS; Detraz, S; Moreira, P; Papadopoulos, S; Papakonstantinou, I; ... Salgado, HM; + view all (2009) Characterization of semiconductor lasers for radiation hard high speed transceivers. In: Proceedings of the Topical Workshop on Electronics for Particle Physics, TWEPP 2009. (pp. 486 - 490).

Troska, J; Detraz, S; Papadopoulos, S; Papakonstantinou, I; Rui Silva, S; Seif El Nasr, S; ... Vasey, F; + view all (2009) The versatile transceiver proof of concept. In: Proceedings of the Topical Workshop on Electronics for Particle Physics, TWEPP 2009. (pp. 347 - 351).

2008

Wang, K.; Selviah, D.R.; Papakonstantinou, I.; Anibal Fernández, F.; Pitwon, R.A.; Hopkins, K.; Milward, D.; (2008) Optical 8-channel, 10 Gb/s MT pluggable connector alignment technology for precision coupling of laser and photodiode arrays to polymer waveguide arrays for optical board-to-board interconnects. Presented at: 2008 58th Electronic Components and Technology Conference, Lake Buena Vista, Florida, US. Green open access
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Papakonstantinou, I; Selviah, DR; Pitwon, RCA; Milward, D; (2008) Low-cost, precision, self-alignment technique for coupling laser and photodiode arrays to polymer waveguide arrays on multilayer PCBs. IEEE T ADV PACKAGING , 31 (3) 502 - 511. 10.1109/TADVP.2008.924243. Green open access
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Papakonstantinou, I; Selviah, DR; Wang, K; (2008) Insertion loss and misalignment tolerance in multimode tapered waveguide bends. IEEE PHOTONIC TECH L , 20 (9-12) 1000 - 1002. 10.1109/LPT.2008.923744. Green open access
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Papakonstantinou, I.; Selviah, D.R.; Wang, K.; Pitwon, R.A.; Hopkins, K.; Milward, D.; (2008) Optical 8-channel, 10 Gb/s MT pluggable connector alignment technology for precision coupling of laser and photodiode arrays to polymer waveguide arrays for optical board-to-board interconnects. In: 2008 58th Electronic Components and Technology Conference. (pp. pp. 1769-1775). IEEE: Piscataway, US. Green open access
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Selviah, D.R.; Anibal Fernandez, F.; Papakonstantinou, I.; Wang, K.; Baghsiahi, H.; Walker, A.C.; ... Milward, D.; + view all (2008) Integrated optical and electronic interconnect printed circuit board manufacturing. Circuit World , 34 (2) pp. 21-26. 10.1108/03056120810874546. Green open access
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Selviah, DR; Papakonstantinou, I; (2008) Optical Polymer Waveguide Interconnects, 29th February, IBM Zurich, Switzerland. UNSPECIFIED

Wang, K; Selviah, DR; Papakonstantinou, I; Fernández, FA; Baghsiahi, H; (2008) Optical Waveguide Modelling, Measurement and Design for Optical Printed Circuit Board. In: (Proceedings) IEEE Workshop on Interconnections within High Speed Digital Systems, HSDS, Santa Fe, USA, 18-21 May 2008. Green open access
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Wang, K.; Selviah, D.R.; Baghsiahi, H.; Anibal Fernández, F.; Papakonstantinou, I.; Yu, G.; (2008) Design rules for polymer waveguides and measurement techniques. Presented at: 2nd International IEEE Symposium on Photonic Packaging Electrical Optical Circuit Board and Optical Backplane, Messe München, Munich, Germany. Green open access
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Wang, K.; Selviah, D.R.; Papakonstantinou, I.; Yu, G.; Baghsiahi, H.; Anibal Fernandez, F.; (2008) Photolithographically manufactured acrylate polymer multimode optical waveguide loss design rules. In: Proceedings 2008 2nd Electronics System-Integration Technology Conference Greenwich, UK: Vol 2. (pp. pp. 1251-1256). IEEE: Piscataway, US. Green open access
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2007

Papakonstantinou, I; Wang, K; Selviah, DR; Ferandez, FA; (2007) Transition, radiation and propagation loss in polymer multimode waveguide bends. OPT EXPRESS , 15 (2) 669 - 679. Gold open access

2006

Milward, D; Pitwon, R; Hopkins, K; Selviah, DR; Papakonstantinou, I; (2006) Xyratex solves connector alignment problem - empowers competitive Optical Backplane solutions. [Digital scholarly resource].

Papakonstantinou, I; Wang, K; Selviah, DR; Fernández, FA; (2006) Experimental Study of Bend and Propagation Loss in Curved Polymer Channel Waveguides for High Bit Rate Optical Interconnections. In: (Proceedings) IEEE/LEOS 17th Annual Workshop on Interconnections with High Speed Digital Systems. IEEE: Santa Fe, New Mexico, USA, 14-17 May 2006.

2005

Pitwon, R; Papakonstantinou, I; Selviah, DR; Hopkins, K; Milward, D; (2005) The StorLite Project. In: (Proceedings) Storlite Project Overview, DTI Photonics Focus Conference. DTI: CBI Conference Centre, London.

Pitwon, RA; Papakonstantinou, I; Selviah, DR; Hopkins, K; Milward, D; (2005) Storlite Project Overview. In: (Proceedings) DTI Photonics Focus Conference. : London, UK. Green open access
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2004

Papakonstantinou, I; Selviah, DR; Fernandez, FA; (2004) Multimode laterally tapered bent waveguide modelling. In: (Proceedings) LEOS 2004, 17th Annual Meeting of the IEEE Lasers and Electro-Optic Society. (pp. 983 - 984). IEEE: Puerto Rico, USA. Green open access
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Papakonstantinou, L; Selviah, DR; Fernandez, FA; (2004) Multimode polymer bent tapered waveguide modeling. In: 2004 IEEE LEOS ANNUAL MEETING CONFERENCE PROCEEDINGS, VOLS 1 AND 2. (pp. 983 - 984). IEEE

Rashed, AM; Papakonstantinou, I; Selviah, DR; (2004) Modelling of polymer thermo-optic switch with tapered input for optical backplane. In: 2004 IEEE LEOS ANNUAL MEETING CONFERENCE PROCEEDINGS, VOLS 1 AND 2. (pp. 457 - 458). IEEE Green open access
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Papakonstantinou, I; Papadopoulos, S; Soos, C; Stephan, D; Sigaud, C; Storey, S; ... Vasey, F; + view all Passive Optical Networks in High Energy Particle Physics. In: (Proceedings) Topical Workshop on Electronics for Particle Physics (TWEPP).

Pitwon, R; Hopkins, K; Milward, D; Papakonstantinou, I; Selviah, DR; Optical Connector, Photonex 2005. [Exhibition]. Stoneleigh Park, Coventry. 2005.

Pitwon, R; Hopkins, K; Milward, D; Selviah, DR; Papakonstantinou, I; Presentation of Storlite Optical Backplane Demonstrator Optical Connector, Exhibition Centre, 31st European Conference on Optical Communication, ECOC 2005. [Group exhibition]. SECC, Glasgow. 2005.

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