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1

Ultimate limit and temperature dependency of light-emitting diode efficiency

Heikkilä, Oskari, Oksanen, Jani, Tulkki, Jukka

Journal:

Journal of Applied Physics

Year:

2009

Language:

english

File:

PDF, 456 KB

english, 2009

2

Photon mass drag and the momentum of light in a medium

Partanen, Mikko, Häyrynen, Teppo, Oksanen, Jani, Tulkki, Jukka

Journal:

Physical Review A

Year:

2017

Language:

english

File:

PDF, 1.40 MB

english, 2017

3

The stability–diversity relationship in stream macroinvertebrates: influences of sampling effects and habitat complexity

HEIKKI MYKRÄ, JANI HEINO, JARI OKSANEN, TIMO MUOTKA

Journal:

Freshwater Biology

Year:

2011

Language:

english

File:

PDF, 215 KB

english, 2011

4

Photon dynamics of amplified and damped cavity fields

Teppo Häyrynen, Jani Oksanen, Jukka Tulkki

Journal:

physica status solidi (c)

Year:

2012

Language:

english

File:

PDF, 221 KB

english, 2012

5

The Effect of Temperature on the Efficiency of Nitride-based Multi-quantum well Light-emitting Diodes

Heikkilä, Oskari, Oksanen, Jani, Tulkki, Jukka

Journal:

MRS Proceedings

Year:

2009

Language:

english

File:

PDF, 144 KB

english, 2009

6

Electrical measurement of internal quantum efficiency and extraction efficiency of III-N light-emitting diodes

Kivisaari, Pyry, Riuttanen, Lauri, Oksanen, Jani, Suihkonen, Sami, Ali, Muhammad, Lipsanen, Harri, Tulkki, Jukka

Journal:

Applied Physics Letters

Year:

2012

Language:

english

File:

PDF, 587 KB

english, 2012

7

Influence of internal absorption and interference on the optical efficiency of thin-film GaN-InGaN light-emitting diodes

Heikkilä, Oskari, Oksanen, Jani, Tulkki, Jukka

Journal:

Applied Physics Letters

Year:

2013

Language:

english

File:

PDF, 672 KB

english, 2013

8

Recombination lifetime in InGaN/GaN based light emitting diodes at low current densities by differential carrier lifetime analysis

Riuttanen, Lauri, Kivisaari, Pyry, Mäntyoja, Nikolai, Oksanen, Jani, Ali, Muhammad, Suihkonen, Sami, Sopanen, Markku

Journal:

physica status solidi (c)

Year:

2013

Language:

english

File:

PDF, 155 KB

english, 2013

9

Temperature dependence of droop onset in optically pumped intrinsic InGaAs/InP heterostructures

Olsson, Anders, Aierken, Abuduwayiti, Oksanen, Jani, Suihkonen, Sami, Lipsanen, Harri, Tulkki, Jukka

Journal:

Applied Physics Letters

Year:

2013

Language:

english

File:

PDF, 752 KB

english, 2013

10

Aluminum-Induced Photoluminescence Red Shifts in Core–Shell GaAs/Al x Ga 1– x As Nanowires

Dhaka, Veer, Oksanen, Jani, Jiang, Hua, Haggren, Tuomas, Nykänen, Antti, Sanatinia, Reza, Kakko, Joona-Pekko, Huhtio, Teppo, Mattila, Marco, Ruokolainen, Janne, Anand, Srinivasan, Kauppinen, Esko, Lip

Journal:

Year:

2013

Language:

english

File:

PDF, 4.49 MB

english, 2013

11

SPIE Proceedings [SPIE SPIE OPTO - San Francisco, California, USA (Saturday 2 February 2013)] Gallium Nitride Materials and Devices VIII - Diffusion-assisted current spreading for III-nitride light-emitting applications

Kivisaari, Pyry, Oksanen, Jani, Tulkki, Jukka, Chyi, Jen-Inn, Nanishi, Yasushi, Morkoç, Hadis, Piprek, Joachim, Yoon, Euijoon, Fujioka, Hiroshi

Year:

2013

Language:

english

File:

PDF, 207 KB

english, 2013

12

Linewidth enhancement factor and chirp in quantum dot lasers

Oksanen, Jani, Tulkki, Jukka

Journal:

Journal of Applied Physics

Year:

2003

Language:

english

File:

PDF, 505 KB

english, 2003

13

Sylvatic Trichinella spp. Infection in Finland

Airas, Niina, Saari, Seppo, Mikkonen, Taina, Virtala, Anna-Maija, Pellikka, Jani, Oksanen, Antti, Isomursu, Marja, Kilpelä, Seija-Sisko, Lim, Chae W., Sukura, Antti

Journal:

Journal of Parasitology

Year:

2010

Language:

english

File:

PDF, 725 KB

english, 2010

14

Improving Light Extraction From GaN Light-Emitting Diodes by Buried Nano-Gratings

Sadi, Toufik, Oksanen, Jani, Tulkki, Jukka

Journal:

IEEE Journal of Quantum Electronics

Year:

2014

Language:

english

File:

PDF, 878 KB

english, 2014

15

On the correlation of the Auger generated hot electron emission and efficiency droop in III-N light-emitting diodes

Sadi, Toufik, Kivisaari, Pyry, Oksanen, Jani, Tulkki, Jukka

Journal:

Applied Physics Letters

Year:

2014

Language:

english

File:

PDF, 821 KB

english, 2014

16

Noiseless amplification of weak coherent fields exploiting energy fluctuations of the field

Partanen, Mikko, Häyrynen, Teppo, Oksanen, Jani, Tulkki, Jukka

Journal:

Physical Review A

Year:

2012

Language:

english

File:

PDF, 270 KB

english, 2012

17

Dynamics of cavity fields with dissipative and amplifying couplings through multiple quantum two-state systems

Häyrynen, Teppo, Oksanen, Jani, Tulkki, Jukka

Journal:

Physical Review A

Year:

2011

Language:

english

File:

PDF, 328 KB

english, 2011

18

Unified quantum jump superoperator for optical fields from the weak- to the strong-coupling limit

Häyrynen, Teppo, Oksanen, Jani, Tulkki, Jukka

Journal:

Physical Review A

Year:

2010

Language:

english

File:

PDF, 414 KB

english, 2010

19

Effects of lateral current injection in GaN multi-quantum well light-emitting diodes

Kivisaari, Pyry, Oksanen, Jani, Tulkki, Jukka

Journal:

Journal of Applied Physics

Year:

2012

Language:

english

File:

PDF, 1.30 MB

english, 2012

20

Polarization doping and the efficiency of III-nitride optoelectronic devices

Kivisaari, Pyry, Oksanen, Jani, Tulkki, Jukka

Journal:

Applied Physics Letters

Year:

2013

Language:

english

File:

PDF, 710 KB

english, 2013

21

Effect of plasmonic losses on light emission enhancement in quantum-wells coupled to metallic gratings

Sadi, Toufik, Oksanen, Jani, Tulkki, Jukka

Journal:

Journal of Applied Physics

Year:

2013

Language:

english

File:

PDF, 4.27 MB

english, 2013

22

Thermal balance and photon-number quantization in layered structures

Partanen, Mikko, Häyrynen, Teppo, Oksanen, Jani, Tulkki, Jukka

Journal:

Physical Review A

Year:

2014

Language:

english

File:

PDF, 229 KB

english, 2014

23

Fast coherent all-optical flip-flop memory

Oksanen, Jani, Tulkki, Jukka

Journal:

Applied Physics Letters

Year:

2006

Language:

english

File:

PDF, 352 KB

english, 2006

24

[IEEE 2014 International Conference on Numerical Simulation of Optoelectronic Devices (NUSOD) - Palma de Mallorca, Spain (2014.9.1-2014.9.4)] Numerical Simulation of Optoelectronic Devices, 2014 - Monte Carlo simulation of hot electron transport in III-N LEDs

Kivisaari, Pyry, Sadi, Toufik, Oksanen, Jani, Tulkki, Jukka

Year:

2014

Language:

english

File:

PDF, 522 KB

english, 2014

25

A fluctuational electrodynamics model for the optimization of light-extraction efficiency in thin-film light-emitting diodes

Heikkilä, Oskari, Oksanen, Jani, Tulkki, Jukka

Journal:

Journal of Applied Physics

Year:

2013

Language:

english

File:

PDF, 901 KB

english, 2013

26

Current injection to free-standing III-N nanowires by bipolar diffusion

Kivisaari, Pyry, Oksanen, Jani, Tulkki, Jukka

Journal:

Applied Physics Letters

Year:

2013

Language:

english

File:

PDF, 630 KB

english, 2013

27

Drooping as a simple characterization tool for extraction efficiency and optical losses in light emitting diodes

Oksanen, Jani, Tulkki, Jukka

Journal:

Applied Physics Letters

Year:

2010

Language:

english

File:

PDF, 296 KB

english, 2010

28

Yield and leakage currents of large area lattice matched InP/InGaAs heterostructures

Olsson, Anders, Aierken, Abuduwayiti, Jussila, Henri, Bauer, Jan, Oksanen, Jani, Breitenstein, Otwin, Lipsanen, Harri, Tulkki, Jukka

Journal:

Journal of Applied Physics

Year:

2014

Language:

english

File:

PDF, 2.61 MB

english, 2014

29

Light extraction limits in textured GaN-InGaN light-emitting diodes: Radiative transfer analysis

Heikkilä, Oskari, Oksanen, Jani, Tulkki, Jukka

Journal:

Applied Physics Letters

Year:

2011

Language:

english

File:

PDF, 486 KB

english, 2011

30

Unified position-dependent photon-number quantization in layered structures

Partanen, Mikko, Häyrynen, Teppo, Oksanen, Jani, Tulkki, Jukka

Journal:

Physical Review A

Year:

2014

Language:

english

File:

PDF, 1.04 MB

english, 2014

31

Diffusion Injection in a Buried Multiquantum Well Light-Emitting Diode Structure

Riuttanen, Lauri, Kivisaari, Pyry, Svensk, Olli, Oksanen, Jani, Suihkonen, Sami

Journal:

IEEE Transactions on Electron Devices

Year:

2015

Language:

english

File:

PDF, 1.36 MB

english, 2015

32

Leakage currents of large area InP/InGaAs heterostructures

Olsson, Anders, Aierken, Abuduwayiti, Oksanen, Jani, Lipsanen, Harri, Tulkki, Jukka

Journal:

MRS Proceedings

Year:

2014

Language:

english

File:

PDF, 261 KB

english, 2014

33

General Photon Counting Model for Beam Splitters and Optoelectronic Devices

Häyrynen, Teppo, Oksanen, Jani, Tulkki, Jukka

Journal:

MRS Proceedings

Year:

2009

Language:

english

File:

PDF, 126 KB

english, 2009

34

A thermophotonic heat pump/heat engine

Oksanen, Jani, Tulkki, Jukka

Journal:

MRS Proceedings

Year:

2009

Language:

english

File:

PDF, 164 KB

english, 2009

35

Monte Carlo simulation of hot carrier transport in III-N LEDs

Kivisaari, Pyry, Oksanen, Jani, Tulkki, Jukka, Sadi, Toufik

Journal:

Journal of Computational Electronics

Year:

2015

Language:

english

File:

PDF, 2.99 MB

english, 2015

36

SPIE Proceedings [SPIE SPIE OPTO - San Francisco, California, USA (Saturday 2 February 2013)] Physics and Simulation of Optoelectronic Devices XXI - Green's function approach to study plasmonic luminescence enhancement in grated multilayer structures

Sadi, Toufik, Oksanen, Jani, Tulkki, Jukka, Witzigmann, Bernd, Osinski, Marek, Henneberger, Fritz, Arakawa, Yasuhiko

Year:

2013

Language:

english

File:

PDF, 4.85 MB

english, 2013

37

SPIE Proceedings [SPIE SPIE OPTO - San Francisco, California, United States (Saturday 7 February 2015)] Physics and Simulation of Optoelectronic Devices XXIII - Optimized plasmonic light emission enhancement in III-N quantum-well emitters

Witzigmann, Bernd, Osiński, Marek, Henneberger, Fritz, Arakawa, Yasuhiko, Sadi, Toufik, Oksanen, Jani, Tulkki, Jukka

Year:

2015

Language:

english

File:

PDF, 1.62 MB

english, 2015

38

SPIE Proceedings [SPIE SPIE OPTO - San Francisco, California, United States (Saturday 1 February 2014)] Physics and Simulation of Optoelectronic Devices XXII - Monte Carlo-drift-diffusion simulation of electron current transport in III-N LEDs

Witzigmann, Bernd, Osinski, Marek, Henneberger, Fritz, Arakawa, Yasuhiko, Kivisaari, Pyry, Sadi, Toufik, Oksanen, Jani, Tulkki, Jukka

Year:

2014

Language:

english

File:

PDF, 241 KB

english, 2014

39

SPIE Proceedings [SPIE OPTO - San Francisco, California (Saturday 23 January 2010)] Laser Refrigeration of Solids III - Thermophotonic heat pump: towards the first demonstration of electroluminescent cooling?

Oksanen, Jani, Tulkki, Jukka, Epstein, Richard I., Sheik-Bahae, Mansoor

Year:

2010

Language:

english

File:

PDF, 850 KB

english, 2010

40

Microscopic simulation of hot electron transport in III-N light-emitting diodes

Sadi, Toufik, Kivisaari, Pyry, Oksanen, Jani, Tulkki, Jukka

Journal:

Optical and Quantum Electronics

Year:

2015

Language:

english

File:

PDF, 468 KB

english, 2015

41

Nonlinear laser cavities as nonclassical light sources

Häyrynen, Teppo, Oksanen, Jani, Tulkki, Jukka

Journal:

EPL (Europhysics Letters)

Year:

2012

Language:

english

File:

PDF, 362 KB

english, 2012

42

SPIE Proceedings [SPIE SPIE Photonics Europe - Brussels, Belgium (Monday 14 April 2014)] Nonlinear Optics and Its Applications VIII; and Quantum Optics III - Position-dependent photon operators in the quantization of the electromagnetic field in dielectrics at local thermal equilibrium

Eggleton, Benjamin J., Gaeta, Alexander L., Broderick, Neil G. R., Sergienko, Alexander V., Rauschenbeutel, Arno, Durt, Thomas, Partanen, Mikko, Häyrynen, Teppo, Oksanen, Jani, Tulkki, Jukka

Year:

2014

Language:

english

File:

PDF, 862 KB

english, 2014

43

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

Kivisaari, Pyry, Oksanen, Jani, Tulkki, Jukka

Journal:

MRS Proceedings

Year:

2011

Language:

english

File:

PDF, 157 KB

english, 2011

44

SPIE Proceedings [SPIE SPIE OPTO - San Francisco, California, United States (Saturday 7 February 2015)] Gallium Nitride Materials and Devices X - Bipolar Monte Carlo simulation of electrons and holes in III-N LEDs

Chyi, Jen-Inn, Fujioka, Hiroshi, Morkoç, Hadis, Kivisaari, Pyry, Sadi, Toufik, Oksanen, Jani, Tulkki, Jukka

Year:

2015

Language:

english

File:

PDF, 128 KB

english, 2015

45

Methods for deriving and calibrating privacy-preserving heat maps from mobile sports tracking application data

Oksanen, Juha, Bergman, Cecilia, Sainio, Jani, Westerholm, Jan

Journal:

Journal of Transport Geography

Year:

2015

Language:

english

File:

PDF, 3.19 MB

english, 2015

46

On the origin of divergences in the coincidence probabilities in cavity photodetection experiments

Häyrynen, Teppo, Oksanen, Jani, Tulkki, Jukka

Journal:

Journal of Physics B Atomic Molecular and Optical Physics

Year:

2009

Language:

english

File:

PDF, 200 KB

english, 2009

47

Thermophotonics: LEDs feed on waste heat

Oksanen, Jani, Tulkki, Jukka

Journal:

Nature Photonics

Year:

2015

Language:

english

File:

PDF, 503 KB

english, 2015

48

Quantum description of light propagation in generalized media

Häyrynen, Teppo, Oksanen, Jani

Journal:

Journal of Optics (IOPscience)

Year:

2016

Language:

english

File:

PDF, 853 KB

english, 2016

49

SPIE Proceedings [SPIE SPIE OPTO - San Francisco, California, United States (Saturday 1 February 2014)] Physics and Simulation of Optoelectronic Devices XXII - Plasmonic enhancement and losses in light-emitting quantum-well structures incorporating metallic gratings

Witzigmann, Bernd, Osinski, Marek, Henneberger, Fritz, Arakawa, Yasuhiko, Sadi, Toufik, Oksanen, Jani, Tulkki, Jukka

Year:

2014

Language:

english

File:

PDF, 488 KB

english, 2014

50

Monte Carlo study of non-quasiequilibrium carrier dynamics in III–N LEDs

Kivisaari, Pyry, Sadi, Toufik, Oksanen, Jani, Tulkki, Jukka

Journal:

Optical and Quantum Electronics

Year:

2016

Language:

english

File:

PDF, 409 KB

english, 2016

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