Research output

Research output per year 2003 2010 2012 2013 2014 2015 2017 2019 2024

• 92 Article
• 47 Conference article in proceedings
• 3 Review Article
• 1 Abstract
• 1 More
  • 1 Working paper

Research output per year

Research output per year

Search results

• 2024

  Effects of resonances and surface texturing on light emission in emerging thin-film devices

  Kivisaari, P., Partanen, M. & Oksanen, J., 11 Mar 2024, Physics and Simulation of Optoelectronic Devices XXXII. Witzigmann, B., Osinski, M. & Arakawa, Y. (eds.). SPIE, p. 1-16 16 p. 128800N. (Proceedings of SPIE; vol. 12880).

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

  Open Access

  File

  • Texturing 100%
  • Thin Films 100%
  • Surface (Surface Science) 100%
  • Radiative Transfer 40%
  • Diffusive 20%
  1 Citation (Scopus)

  31 Downloads (Pure)
• 2019

  Efficient Fully-Coupled Electro-Optical Simulation Framework for Large-Area Planar Device

  Sadi, T., Casado, A., Radevici, I., Kivisaari, P. & Oksanen, J., 1 Jul 2019, 19th International Conference on Numerical Simulation of Optoelectronic Devices, NUSOD 2019. Hinzer, K. & Piprek, J. (eds.). IEEE, p. 9-10 2 p. 8806904

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

  • Simulation 100%
  • Large Area 100%
  • Photons 100%
  • Area 100%
  • Models 50%

• Observation of local electroluminescent cooling and identifying the remaining challenges

  Radevici, I., Sadi, T., Tripurari, T., Tiira, J., Ranta, S., Tukiainen, A., Guina, M. & Oksanen, J., 1 Jan 2019, Photonic Heat Engines: Science and Applications. Seletskiy, D. V., Epstein, R. I. & Sheik-Bahae, M. (eds.). SPIE, 109360A. (Proceedings of SPIE; vol. 10936).

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

  Open Access

  File

  • Identifying 100%
  • Cooling 100%
  • Light Emitting Diode 75%
  • Light-Emitting Diode 75%
  • Diode 62%
  248 Downloads (Pure)

• Simulation of photon transport in resonant double-diode structures

  Kivisaari, P., Partanen, M., Sadi, T. & Oksanen, J., 1 Jan 2019, Physics, Simulation, and Photonic Engineering of Photovoltaic Devices VIII. Sugiyama, M., Lombez, L., Lombez, L. & Freundlich, A. (eds.). SPIE, p. 1-7 109130A. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 10913).

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

  Open Access

  File

  • Simulation 100%
  • Photons 100%
  • Interference 100%
  • Models 83%
  • Radiative Transfer 66%
  1 Citation (Scopus)

  193 Downloads (Pure)

• Temperature dependence of thermophotonic energy transfer in intracavity structures

  Casado, A., Radevici, I., Sadi, T. & Oksanen, J., 1 Jan 2019, Photonic Heat Engines: Science and Applications. Seletskiy, D. V., Epstein, R. I. & Sheik-Bahae, M. (eds.). SPIE, p. 1-7 109360U. (Proceedings of SPIE; vol. 10936).

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

  Open Access

  File

  • Energy Engineering 100%
  • Temperature Dependence 100%
  • Energy Transfer 100%
  • Reaction Temperature 100%
  • Temperature 100%
  163 Downloads (Pure)
• 2018

  Electrically-injected III-V diodes for large-area optoelectronics

  Myllynen, A., Sadi, T. & Oksanen, J., 7 Dec 2018, 18th International Conference on Numerical Simulation of Optoelectronic Devices, NUSOD 2018. Piprek, J. & Djurisic, A. B. (eds.). IEEE, Vol. 2018-November. p. 129-130 2 p. 8570219

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

  • Large Area 100%
  • Optoelectronics 100%
  • Area 100%
  • Diode 100%
  • Light-Emitting Diode 50%
  1 Citation (Scopus)

• Electroluminescent cooling using double diode structures

  Sadi, T., Radevici, I., Kivisaari, P., Casado, A. & Oksanen, J., 7 Dec 2018, 18th International Conference on Numerical Simulation of Optoelectronic Devices, NUSOD 2018. Piprek, J. & Djurisic, A. B. (eds.). IEEE, Vol. 2018-November. p. 125-126 2 p. 8570294

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

  • Cooling 100%
  • Models 50%
  • Light-Emitting Diode 33%
  • Light Emitting Diode 33%
  • Transport Theory 33%
  3 Citations (Scopus)

• Energy Transport in Lossy Resonators by Optical Admittance Methods

  Kivisaari, P., Partanen, M. & Oksanen, J., 6 Nov 2018, 31st Annual Conference of the IEEE Photonics Society, IPC 2018. IEEE, 8527191

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

  File

  • Optical Device 100%
  • Electrical Impedance 100%
  • Resonator 100%
  • Simulation 50%
  • Interference 50%
  233 Downloads (Pure)

• Interference-exact radiative transfer simulations: Intracavity transport effects

  Kivisaari, P., Sadi, T. & Oksanen, J., 7 Dec 2018, 18th International Conference on Numerical Simulation of Optoelectronic Devices, NUSOD 2018. Piprek, J. & Djurisic, A. B. (eds.). IEEE, Vol. 2018-November. p. 127-128 2 p. 8570222

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

  Open Access

  File

  • Simulation 100%
  • Interference 100%
  • Photons 100%
  • Cooling 100%
  • Radiative Transfer 100%
  169 Downloads (Pure)
• 2017

  Elimination of resistive losses in large-area LEDs by new diffusion-driven devices

  Kivisaari, P., Kim, I., Suihkonen, S. & Oksanen, J., 2017, Light-Emitting Diodes: Materials, Devices, and Applications for Solid State Lighting XXI. Kim, J., Krames, M., Tu, L. & Strassburg, M. (eds.). SPIE, 101240Z. (Proceedings of SPIE : the International Society for Optical Engineering; vol. 10124).

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

  Open Access

  File

  • Large Area 100%
  • Losses 100%
  • Diffusion 100%
  • Light-Emitting Diode 100%
  • Resistive 100%
  4 Citations (Scopus)

  41 Downloads (Pure)

• Intracavity double diode structures with GaInP barrier layers for thermophotonic cooling

  Tiira, J., Radevici, I., Haggren, T., Hakkarainen, T., Kivisaari, P., Lyytikäinen, J., Aho, A., Tukiainen, A., Guina, M. & Oksanen, J., 2017, Optical and Electronic Cooling of Solids II. SPIE, p. 1-7 1012109. ( Proceedings of SPIE; vol. 10121).

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

  Open Access

  File

  • Cooling 100%
  • Surface Properties 100%
  • Semiconductor 75%
  • Light 50%
  • Heterojunctions 50%
  4 Citations (Scopus)

  88 Downloads (Pure)

• Lock-in thermography approach for imaging the efficiency of light emitters and optical coolers

  Radevici, I., Tiira, J. & Oksanen, J., 2017, Optical and Electronic Cooling of Solids II. Epstein, R. I., Seletskiy, D. V. & Sheik-Bahae, M. (eds.). SPIE, p. 1-7 7 p. 101210Q. (Proceedings of SPIE; vol. 10121).

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

  Open Access

  File

  • Efficiency 100%
  • Locks (Fasteners) 100%
  • Light 100%
  • Measurement 75%
  • Heating 50%
  5 Citations (Scopus)

  42 Downloads (Pure)

• Modeling of charge and photon transport in coupled intracavity light emitters

  Sadi, T., Kivisaari, P., Tiira, J., Radevici, I., Haggren, T. & Oksanen, J., 11 Aug 2017, 2017 International Conference on Numerical Simulation of Optoelectronic Devices (NUSOD) . IEEE, p. 201-202 2 p. 8010061

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

  • Photons 100%
  • Gallium Arsenide 100%
  • Light 100%
  • Photon 100%
  • Light-Emitting Diode 50%
  1 Citation (Scopus)
• 2016

  Photon momentum and optical forces in cavities

  Partanen, M., Häyrynen, T., Oksanen, J. & Tulkki, J., 2016, Physics and Simulation of Optoelectronic Devices XXIV. SPIE, Vol. 9742. p. 1-8 974217

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

  • Momentum 100%
  • Photons 100%
  • Polariton 37%
  • Media 25%
  • Electromagnetic Fields 25%
  7 Citations (Scopus)
• 2015

  Bipolar Monte Carlo simulation of electrons and holes in III-N LEDs

  Kivisaari, P., Sadi, T., Oksanen, J. & Tulkki, J., 2015, Gallium Nitride Materials and Devices X, San Francisco, February 09-12, 2015. SPIE, p. 93631

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

  5 Citations (Scopus)

• Bipolar Monte Carlo simulation of hot carriers in III-N LEDs

  Kivisaari, P., Sadi, T., Li, J., Georgiev, V., Oksanen, J., Rinke, P. & Tulkki, J., 10 May 2015, Proceedings of the International Conference on Numerical Simulation of Optoelectronic Devices, NUSOD. IEEE, Vol. 2015-May. p. 11-12 2 p. 7292797

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

  • Simulation 100%
  • Light Emitting Diode 100%
  • Monte Carlo 100%
  • Light-Emitting Diode 100%
  • Electric Potential 50%

• Bipolar Monte Carlo simulation of hot carriers in III-N LEDs

  Kivisaari, P., Sadi, T., Li, J., Georgiev, V., Oksanen, J., Rinke, P. & Tulkki, J., 5 Oct 2015, 2015 International Conference on Simulation of Semiconductor Processes and Devices, SISPAD 2015. IEEE, Vol. 2015-October. p. 393-396 4 p. 7292342. ( International Conference on Simulation of Semiconductor Processes and Devices).

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

  • Simulation 100%
  • Monte Carlo 100%
  • Monte Carlo Simulation 100%
  • Electron 33%
  • Electrons 33%

• Diffusion-driven current transport to near-surface nanostructures

  Kivisaari, P., Riuttanen, L., Suihkonen, S. & Oksanen, J., 10 May 2015, Proceedings of the International Conference on Numerical Simulation of Optoelectronic Devices, NUSOD. IEEE, p. 117-118 2 p. 7292850

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

  • Surface 100%
  • Nanocrystalline Material 100%
  • Diffusion 100%
  • Devices 60%
  • Optimization 40%

• Optimized plasmonic light emission enhancement in III-N quantum-well emitters

  Sadi, T., Oksanen, J. & Tulkki, J., 2015, Physics and Simulation of Optoelectronic Devices XXIII, San Francisco, February 09-12, 2015. SPIE, p. 93570

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

• Vertical excitation profile in diffusion injected multi-quantum well light emitting diode structure

  Riuttanen, L., Kivisaari, P., Svensk, O., Vasara, T., Myllys, P., Oksanen, J. & Suihkonen, S., 2015, Gallium Nitride Materials and Devices X. SPIE, Vol. 9363. 93632A

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

  • Diffusion 100%
  • Light Emitting Diode 100%
  • Quantum Wells 100%
  • Light-Emitting Diode 100%
  • Quantum Well 100%
  2 Citations (Scopus)
• 2014

  Monte Carlo-drift-diffusion simulation of electron current transport in III-N LEDs

  Kivisaari, P., Sadi, T., Oksanen, J. & Tulkki, J., 2014, Conference on Physics and Simulation of Optoelectronic Devices XXII, San Francisco, CA, 3-6 February 2014. SPIE, p. 898003

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review
  2 Citations (Scopus)

• Monte Carlo simulation of hot electron transport in III-N LEDs

  Kivisaari, P., Sadi, T., Oksanen, J. & Tulkki, J., 23 Oct 2014, Proceedings of the International Conference on Numerical Simulation of Optoelectronic Devices, NUSOD. IEEE, p. 21-22 2 p. 6935336

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

  • Simulation 100%
  • Monte Carlo 100%
  • Hot Electron 100%
  • Electron Transfer 100%
  • Electron 100%

• Plasmonic enhancement and losses in light-emitting quantum-well structures incorporating metallic gratings

  Sadi, T., Oksanen, J. & Tulkki, J., 2014, Conference on Physics and Simulation of Optoelectronic Devices XXII, San Francisco, CA, 3-6 February 2014. SPIE, p. 0000089800

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review
  1 Citation (Scopus)

• Position-dependent photon operators in the quantization of the electromagnetic field in dielectrics at local thermal equilibrium

  Partanen, M., Häyrynen, T., Oksanen, J. & Tulkki, J., 2014, Nonlinear optics and its applications viii; and quantum optics iii. p. 0000091362

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review
  5 Citations (Scopus)
• 2013

  Coupled Monte Carlo-drift-diffusion simulation of transport in III-N LEDs

  Kivisaari, P., Sadi, T., Oksanen, J. & Tulkki, J., 2013, 16th IEEE International Workshop on Computational Electronics (IWCE), Nara, Japan, 4-7 June 2013. p. 208-209

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific

• Diffusion-assisted current spreading for III-Nitride light-emitting applications

  Kivisaari, P., Oksanen, J. & Tulkki, J., 2013, Photonics West, Physics and Simulation of Optoelectronic Devices XXI,San Francisco, California, USAFebruary 02, 2013.

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review
  5 Citations (Scopus)

• Efficiency of Light Emission in Light Emitters Coupled to Surface Plasmons

  Sadi, T., Oksanen, J. & Tulkki, J., 2013, 34th Progress In Electromagnetics Research Symposium (PIERS), Stockholm, Sweden, 12-15 August 2013.

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific

• Generation of nonclassical light by nonlinear cavities

  Hayrynen, T., Oksanen, J., Sadi, T. & Tulkki, J., 2013, Name: Photon Counting Applications IV; and Quantum Optics and Quantum Information Transfer and ProcessingPlace: Prague, Czech RepublicDate: April 15, 2013. SPIE, p. 87730

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review
  1 Citation (Scopus)

• Green's function approach to study plasmonic luminescence enhancement in grated multilayer structures

  Sadi, T., Oksanen, J. & Tulkki, J., 2013, Photonics West, Physics and Simulation of Optoelectronic Devices XXI,San Francisco, California, USAFebruary 02, 2013. San Francisco, California, USA: SPIE, p. 0000086190

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review
  2 Citations (Scopus)

• Light extraction enhancement from GaN quantum-well structures with metallic grating

  Sadi, T., Oksanen, J. & Tulkki, J., 2013, 14th International Conference on Physics of Light-Matter Coupling in Nanostructures, Crete, Greece, 27-31 May 2013.

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific

• Noiseless amplification of weak coherent fields without external energy

  Partanen, M., Häyrynen, T., Oksanen, J. & Tulkki, J., 2013, Photon Counting Applications IV; and Quantum Optics and Quantum Information Transfer and Processing, Prague, Czech Republic, April 15-18, 2013. SPIE

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

• Radiometric determination of the junction temperature of light-emitting diodes

  Vaskuri, A., Kärhä, P., Baumgartner, H., Oksanen, J., Riuttanen, L., Andor, G. & Ikonen, E., 2013, CIE Centenary Conference - Towards a New Century of Light, Paris, France, April 15-16, 2013. Pariisi: International Commission on Illumination (CIE), p. 308-316

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific
• 2012

  Phonon interference and anharmonicity effects in nanoconstrictions

  Sääskilahti, K., Oksanen, J., Linna, R. & Tulkki, J., 2012, PHONONS 2012: XIV International Conference on Phonon Scattering in Condensed Matter; Ann Arbor, MI USA; 812 July 2012. P. Pipe, K. (ed.). USA: American Institute of Physics, p. 15-21

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

• Photon dynamics of amplified and damped cavity fields

  Häyrynen, T., Oksanen, J. & Tulkki, J., 2012, 11th International Conference on Physics of Light-Matter Coupling in Nanostructures (PLMCN), Berlin, APR 04-08, 2011. Swietlik, R. (ed.). Wiley-VCH Verlag, p. 1330-1334 (Physica Status Solidi. C . Current Topics in Solid State Physics).

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review
  2 Citations (Scopus)

• Quantum aspects of optical energy transfer in cavities and layered media

  Häyrynen, T., Oksanen, J. & Tulkki, J., 2012, SPIE Photonics Europe, Brussels, Belgium, 2012. Durt, T. & N. Zadkov, V. (eds.). USA: SPIE

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review
• 2011

  Effects of direct lateral Current Injection on the Performance, Overall Efficiency and Emission Distribution in GaN LED structures: a 2D Computational Study

  Kivisaari, P., Oksanen, J. & Tulkki, J., 2011, 2011 MRS Spring Meeting, San Francisco, California, USA, April 25 - 29, 2011. p. mrss11-1370-yy05-05

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

• Effects of photon transport, emission saturation, and reflection losses on thermophotonic cooling

  Oksanen, J. & Tulkki, J., 2011, Laser Refrigeration of Solids IV, San Francisco, California, USA, 26 - 27 January 2011. p. 79510

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

  8 Citations (Scopus)

• Modeling the evolution of quantum optical states in optoelectronic devices

  Hayrynen, T., Oksanen, J. & Tulkki, J., 2011, Physics and Simulation of Optoelectronic Devices XIX, San Francisco, California, USA,. p. 79331

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review
  1 Citation (Scopus)

• Quantum trajectory model for photon detectors and optoelectronic devices

  Hayrynen, T., Oksanen, J. & Tulkki, J., 2011, 17th Central European Workshop on Quantum Optics, CEWQO10, St. Andrews, 6 June 2010 - 11 June 2010. Institute of Physics Publishing

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review
  2 Citations (Scopus)

• Transport equation model for the optics of light-emitting diodes with arbitrary surface microstructure

  Heikkilä, O., Oksanen, J. & Tulkki, J., 2011, Physics and Simulation of Optoelectronic Devices XIX, San Francisco, California, USA, 24-27 January, 2011. p. 793315-793315-8

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review
  2 Citations (Scopus)
• 2010

  A thermophotonic heat pump/heat engine

  Oksanen, J. & Tulkki, J., 2010, Energy Harvesting - From Fundamentals to Devices. Vol. 1218. p. 67-72 6 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

  • Heat Pump 100%
  • Heat Transfer 75%
  • Losses 25%
  • Power Density 25%
  • Performance 12%
  1 Citation (Scopus)

• General Photon Counting Model for Beam Splitters and Optoelectronic Devices

  Häyrynen, T., Oksanen, J. & Tulkki, J., 2010, 2009 MRS Fall Meeting.

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

  1 Citation (Scopus)

• Role of the electron blocking layer in the current transport of efficient III-N light-emitting diodes

  Heikkilä, O., Oksanen, J. & Tulkki, J., 2010, Physics and Simulation of Optoelectronic Devices XVIII.

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review
  1 Citation (Scopus)

• The effect of temperature on the efficiency of nitride-based multi-quantum well light-emitting diodes

  Heikkilä, O., Oksanen, J. & Tulkki, J., 9 Jul 2010, Multiphysics Modeling in Materials Design. Vol. 1229. p. 37-42 6 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

  • Temperature 100%
  • Nitride 100%
  • Light Emitting Diode 100%
  • Quantum Wells 100%
  • Nitride Compound 100%
  1 Citation (Scopus)

• Thermophotonic heat pump - Towards the first demonstration of electroluminescent cooling?

  Oksanen, J. & Tulkki, J., 2010, Laser Refrigeration of Solids III.

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review
  1 Citation (Scopus)
• 2009

  A Thermophotonic Heat Pump

  Oksanen, J. & Tulkki, J., 2009, MRS Fall Meeting, 30.11.-4.12.2009, Boston.

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

• Numerical Optimization of Light Emitting Diodes for High Efficiency Operation

  Heikkilä, O., Oksanen, J. & Tulkki, J., 2009, MRS Fall Meeting, Boston, 30.11.-4.12.2009.

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review