Tapio Niemi

2024

Assembly of Optical Micro-Ring Resonator-Based Ultrasound Sensor for Photoacoustic Imaging

Lepukhov, E., Vlasov, A., Pandian, S., Hainberger, R., Mullner, P., Eggeling, M. & Niemi, T., 2024, 2024 IMAPS Nordic Conference on Microelectronics Packaging, NordPac 2024. IEEE

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

2023

High-Q guided-mode resonance of a crossed grating with near-flat dispersion

Amedalor, R., Karvinen, P., Pesonen, H., Turunen, J., Niemi, T. & Bej, S., 17 Apr 2023, In: Applied Physics Letters. 122, 16, 161102.

Research output: Contribution to journal › Article › Scientific › peer-review

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2 Citations (Scopus)

10 Downloads (Pure)

Ultrafast non-classical light sources based on single InAs/GaAs quantum dot embedded in a hybrid plasmonic nanopillar cavity

Hakkarainen, T., Chellu, A., Bej, S., Hulkkonen, H., Hytönen, R., Rekola, H., Uusitalo, T., Kahle, H., Karvinen, P., Niemi, T. & Guina, M., 2023, 2023 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC). IEEE, (Conference on lasers & electro-optics Europe & international quantum electronics conference).

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

2021

REAP: Revealing drug tolerant persister cells in cancer using contrast enhanced optical coherence and photoacoustic tomography

Liu, M., Deloria, A. J., Haindl, R., Li, Q., Szakacs, G., Csiszar, A., Schrittwieser, S., Muellner, P., Hainberger, R., Pelaz, B., Polo, E., Del Pino, P., Penttinen, A., Guina, M., Niemi, T., Meiburger, K., Molinari, F., Menhard, C., Heidelin, J. & Andresen, V. & 2 others, Geuzebroek, D. & Drexler, W., Apr 2021, In: JPhys Photonics. 3, 2, 6 p., 021001.

Research output: Contribution to journal › Review Article › peer-review

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5 Citations (Scopus)

12 Downloads (Pure)

2020

Effect of light activation on chemical gas sensors based on aligned nanowires

Baratto, C., Golovanova, V., Faglia, G., Le Dang, T. T., Hakola, H., Niemi, T., Tkachenko, N., Nazarchurk, B. & Golovanov, V., 2020, IEEE Sensors, SENSORS 2020 - Conference Proceedings. IEEE, 4 p. 9278839. (Proceedings of IEEE Sensors; vol. 2020-October).

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

Hematite Surface Modification toward Efficient Sunlight-Driven Water Splitting Activity: The Role of Gold Nanoparticle Addition

Tofanello, A., Freitas, A. L. M., Carvalho, W. M., Salminen, T., Niemi, T. & Souza, F. L., 2020, In: Journal of Physical Chemistry C. 124, 11, p. 6171–6179 9 p.

Research output: Contribution to journal › Article › Scientific › peer-review

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25 Citations (Scopus)

38 Downloads (Pure)

On the alignment of ZnO nanowires by Langmuir – Blodgett technique for sensing application

Baratto, C., Golovanova, V., Faglia, G., Hakola, H., Niemi, T., Tkachenko, N., Nazarchurk, B. & Golovanov, V., 30 Oct 2020, In: Applied Surface Science. 528, 146959.

Research output: Contribution to journal › Article › Scientific › peer-review

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17 Citations (Scopus)

13 Downloads (Pure)

2019

Analysis of upconversion nanoparticles as an active medium for upconversion light sources

Fedotov, A., Pominova, D., Orlovskaya, E., Orlovskii, Y., Niemi, T. & Gumenyuk, R., 1 Mar 2019, Proceedings of SPIE: Optical Components and Materials XVI. S P I E - International Society for Optical Engineering, Vol. 10914. 9 p. 109140R. (Proceedings of SPIE : the International Society for Optical Engineering; vol. 10914).

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

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1 Citation (Scopus)

63 Downloads (Pure)

Automated solvent vapor annealing with nanometer scale control of film swelling for block copolymer thin films

Hulkkonen, H., Salminen, T. & Niemi, T., 13 Sept 2019, In: Soft Matter. 15, 39, p. 7909-7917

Research output: Contribution to journal › Article › Scientific › peer-review

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19 Citations (Scopus)

29 Downloads (Pure)

2018

All-Metal Broadband Optical Absorbers Based on Block Copolymer Nanolithography

Hulkkonen, H., Sah, A. & Niemi, T., 13 Nov 2018, In: ACS Applied Materials & Interfaces. 10, 49, p. 42941-42947 7 p.

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24 Citations (Scopus)

36 Downloads (Pure)

Comparison of metal/polymer back reflectors with half-sphere, blazed, and pyramid gratings for light trapping in III-V solar cells

Aho, T., Guina, M., Elsehrawy, F., Cappelluti, F., Raappana, M., Tukiainen, A., Khairul Alam, A. B. M., Vartiainen, I., Kuittinen, M. & Niemi, T., 19 Mar 2018, In: Optics Express. 26, 6, p. A331-A340

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18 Citations (Scopus)

27 Downloads (Pure)

Directed self-assembly of high-chi block copolymer for fabrication of optical nanoresonator

Rasappa, S., Schulte, L., Ndoni, S. & Niemi, T., 3 Sept 2018, In: Nanoscale. 10, p. 18306-18314 9 p.

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13 Citations (Scopus)

25 Downloads (Pure)

Gold Metasurfaces for Light Absorption Enhancement via Block Copolymer Lithography

Hulkkonen, H. & Niemi, T., 18 Jun 2018.

Research output: Other conference contribution › Abstract › Scientific

Guided-mode resonance gratings for enhanced mid-infrared absorption in quantum dot intermediate-band solar cells

Elsehrawy, F., Niemi, T. & Cappelluti, F., 19 Mar 2018, In: Optics Express. 26, 6, p. A352-A359

Research output: Contribution to journal › Article › Scientific › peer-review

Open Access

11 Citations (Scopus)

High molecular weight block copolymer lithography for nanofabrication of hard mask and photonic nanostructures

Rasappa, S., Hulkkonen, H., Schulte, L., Ndoni, S., Reuna, J., Salminen, T. & Niemi, T., 2018, In: Journal of Colloid and Interface Science. 534, 15, p. 420-429 10 p.

Research output: Contribution to journal › Article › Scientific › peer-review

27 Citations (Scopus)

Improved Light Trapping in Quantum Dot Solar Cells Using Double-sided Nanostructuring

Elsehrawy, F., Aho, T., Niemi, T., Guina, M. & Cappelluti, F., 2018, Optics and Photonics for Energy and the Environment 2018. OSA - The Optical Society, 2 p.

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

1 Citation (Scopus)

Light-trapping enhanced thin-film III-V quantum dot solar cells fabricated by epitaxial lift-off

Cappelluti, F., Kim, D., van Eerden, M., Cédola, A. P., Aho, T., Bissels, G., Elsehrawy, F., Wu, J., Liu, H., Mulder, P., Bauhuis, G., Schermer, J., Niemi, T. & Guina, M., 2018, In: Solar Energy Materials and Solar Cells. 181, p. 83-92

Research output: Contribution to journal › Article › Scientific › peer-review

22 Citations (Scopus)

Metal/Polymer Back Reflectors with Diffraction Gratings for Light Trapping in III-V Solar Cells

Aho, T., Guina, M., Elsehrawy, F., Cappelluti, F., Raappana, M., Tukiainen, A., Khairul Alam, A. B. M., Vartiainen, I., Kuittinen, M. & Niemi, T., Nov 2018, 2018 IEEE 7th World Conference on Photovoltaic Energy Conversion (WCPEC): A Joint Conference of 45th IEEE PVSC, 28th PVSEC & 34th EU PVSEC. IEEE, p. 2847-2851 5 p. (CONFERENCE RECORD OF THE IEEE PHOTOVOLTAIC SPECIALISTS CONFERENCE).

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

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Morphology evolution of PS-b-PDMS block copolymer and its hierarchical directed self-assembly on block copolymer templates

Rasappa, S., Schulte, L., Borah, D., Hulkkonen, H., Ndoni, S., Salminen, T., Senthamaraikanan, R., Morris, M. A. & Niemi, T., 15 May 2018, In: Microelectronic Engineering. 192, p. 1-7 7 p.

Research output: Contribution to journal › Article › Scientific › peer-review

13 Citations (Scopus)

Perfect Optical Absorbers Based on Plasmon Resonances in Subwavelength-Patterned Gold Thin Films

Hulkkonen, H., Sah, A. & Niemi, T., 20 Nov 2018.

Research output: Other conference contribution › Abstract › Scientific

Room temperature lasing in injection microdisks with InGaAsN/GaAs quantum well active region

Moiseev, E. I., Maximov, M. V., Nadtochiy, A. M., Kryzhanovskaya, N. V., Sannikov, D. A., Yagafarov, T., Kulagina, M., Niemi, T., Isoaho, R., Guina, M. & Zhukov, A. E., 2018, 5th International School and Conference "Saint Petersburg OPEN 2018": Optoelectronics, Photonics, Engineering and Nanostructures: 2–5 April 2018, Saint Petersburg, Russian Federation. 8 ed. Vol. 1124. (Journal of Physics: Conference Series).

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

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3 Citations (Scopus)

6 Downloads (Pure)

Site-controlled of InAs quantum dots for quantum technology

Hakkarainen, T., Niemi, T. & Guina, M., May 2018.

Research output: Other conference contribution › Abstract › Scientific

Ultra-large core birefringent Yb-doped tapered double clad fiber for high power amplifiers

Fedotov, A., Noronen, T., Gumenyuk, R., Ustimchik, V., Chamorovskii, Y., Golant, K., Odnoblyudov, M., Rissanen, J., Niemi, T. & Filippov, V., 19 Mar 2018, In: Optics Express. 26, 6, p. 6581-6592 12 p.

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60 Citations (Scopus)

176 Downloads (Pure)

2017

Binary phase shaping for nonlinear microscopy of GaAs nanowires

Turquet, L., Kakko, J.-P., Karvonen, L., Jiang, H., Isotalo, T., Huhtio, T., Niemi, T., Kauppinen, E., Lipsanen, H., Kauranen, M. & Bautista, G., 2017, p. 43. 1 p.

Research output: Other conference contribution › Abstract › Scientific

Block Copolymer Patterning for Creating Porous Silicon Thin Films with Tunable Refractive Indices

Hulkkonen, H. H., Salminen, T. & Niemi, T., 14 Feb 2017, In: ACS Applied Materials & Interfaces. 9, 37, p. 31260-31265

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24 Citations (Scopus)

35 Downloads (Pure)

Effect of ZnO Addition and of Alpha Particle Irradiation on Various Properties of Er3+, Yb3+ Doped Phosphate Glasses

Poudel, A., Dmitrieva, I., Gumenyuk, R., Mihai, L., Sporea, D., Muresan, O., Rusen, I., Hakkarainen, T., Boetti, N. G., Niemi, T. & Petit, L., Oct 2017, In: Applied Sciences. 7, 10, 10 p., 1094.

Research output: Contribution to journal › Article › Scientific › peer-review

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8 Citations (Scopus)

56 Downloads (Pure)

Enabling High-Efﬁciency InAs/GaAs Quantum Dot Solar Cells by Epitaxial Lift-Off and Light Management

Cappelluti, F., Cédola, A. P., Khalili, A., Elsehrawy, F., Bauhuis, G., Mulder, P., Schermer, J., Bissels, G., Aho, T., Niemi, T., Guina, M., Kim, D., Wu, J. & Liu, H., 25 Jun 2017.

Research output: Other conference contribution › Abstract › Scientific

Enhanced harvesting of thin-film quantum dot solar cells through light trapping techniques

Cappelluti, F., Cédola, A. P., Khalili, A., Bauhuis, G., Mulder, P., Schermer, J., Bissels, G., Aho, T., Niemi, T., Guina, M., Kim, D., Wu, J., Liu, H., Cimino, M. & Gervasio, G., 26 Apr 2017.

Research output: Other conference contribution › Abstract › Scientific

Enhancement of bulk second-harmonic generation from silicon nitride films by material composition

Koskinen, K., Czaplicki, R., Slablab, A., Ning, T., Hermans, A., Kuyken, B., Mittal, V., Murugan, G. S., Niemi, T., Baets, R. & Kauranen, M., 1 Dec 2017, In: Optics Letters. 42, 23, p. 5030-5033 4 p.

Research output: Contribution to journal › Article › Scientific › peer-review

Open Access

16 Citations (Scopus)

Investigation of the effect of surface passivation on microdisk lasers based on InGaAsN/GaAs quantum well active region

Moiseev, E. I., Kryzhanovskaya, N. V., Maximov, M. V., Mozharov, A. M., Gudovskikh, A. S., Polushkin, A. S., Mukhin, I. S., Guseva, Y. A., Kulagina, M. M., Troshokov, S. I., Niemi, T., Isoaho, R., Guina, M. & Zhukov, A. E., Nov 2017, In: Journal of Physics: Conference Series. 917, 5, 3 p., 052002.

Research output: Contribution to journal › Article › Scientific › peer-review

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3 Citations (Scopus)

35 Downloads (Pure)

Nonlinear imaging of nanostructures using beams with binary phase modulation

Turquet, L., Kakko, J. P., Jiang, H., Isotalo, T. J., Huhtio, T., Niemi, T., Kauppinen, E., Lipsanen, H., Kauranen, M. & Bautista, G., 1 May 2017, In: Optics Express. 25, 9, p. 10441-10448 8 p.

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3 Citations (Scopus)

39 Downloads (Pure)

Novel Concepts for High-efficiency lightweight space solar cells

Cappelluti, F., Ghione, G., Gioannini, M., Bauhuis, G., Mulder, P., Schermer, J., Cimino, M., Gervasio, G., Bissels, G., Katsia, E., Aho, T., Niemi, T., Guina, M., Kim, D., Wu, J. & Liu, H., 2017, Proceedings of 11th European Space Power Conference 2016. ESA Publications Division, 03007. (E3S Web of Conferences; vol. 16).

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

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11 Citations (Scopus)

115 Downloads (Pure)

Site-controlled molecular beam epitaxy of InAs quantum dots

Hakkarainen, T., Niemi, T. & Guina, M., 2017.

Research output: Other conference contribution › Abstract › Scientific

Structured Metal/Polymer Back Reflectors for III-V Solar Cells

Aho, T., Niemi, T., Cappelluti, F., Tukiainen, A., Elsehrawy, F. & Guina, M., 6 Nov 2017.

Research output: Other conference contribution › Abstract › Scientific

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Super-luminescence and spectral hole burning effect in ultra-short length Er/Yb-doped phosphate fiber

Gumenyuk, R., Poudel, A., Jouan, T., Boussard-Plédel, C., Niemi, T. & Petit, L., Nov 2017, In: Optical Materials Express. 7, 12, p. 4358-4366 9 p.

Research output: Contribution to journal › Article › Scientific › peer-review

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4 Citations (Scopus)

36 Downloads (Pure)

Tuning Localized Surface Plasmon Resonances by Self-Assembly in Multi- Metal Nanostructures

Hulkkonen, H., Salminen, T., Rasappa, S. & Niemi, T., 17 Sept 2017.

Research output: Other conference contribution › Abstract › Scientific

2016

Compact microdisk cavity laser with GaInNAs/GaAs quantum well

Kryzhanovskaya, N. V., Zhukov, A. E., Maximov, M. V., Moiseev, E. I., Polubavkina, Y. S., Kulagina, M. M., Troshokov, S. I., Guseva, Y. A., Lipovskii, A. A., Isoaho, R., Niemi, T. & Guina, M., 15 Sept 2016, In: Journal of Physics: Conference Series. 741, 1, 5 p., 012110.

Research output: Contribution to journal › Article › Scientific › peer-review

Open Access

Dots-on-the-fly electron beam lithography

Isotalo, T. J. & Niemi, T., 2016, SPIE Proceedings: Alternative Lithographic Technologies VIII. Bencher, C. (ed.). SPIE, Vol. 9777. 7 p. 97771E. (Proceedings of SPIE).

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

4 Citations (Scopus)

Fabrication and Second-harmonic Generation Imaging of Oriented Ion-shaped Nanoparticles

Slablab, A., Turquet, L., Isotalo, T. J., COULON, P.-E., Niemi, K. T., Kociak, M., Rizza, G. & Kauranen, M. O., 2016.

Research output: Other conference contribution › Abstract › Scientific

Fabrication and second-harmonic generation imaging of spatially-oriented individual ion-shaped nanoparticles

Slablab, A., Turquet, L., Isotalo, T. J., Mäkitalo, J. A., COULON, P.-E., Niemi, K. T., Kociak, M., Rizza, G. & Kauranen, M. O., 2016. 1 p.

Research output: Other conference contribution › Abstract › Scientific

Fabrication of Ion-Shaped Anisotropic Nanoparticles and their Orientational Imaging by Second-Harmonic Generation Microscopy

Slablab, A., Isotalo, T. J., Mäkitalo, J., Turquet, L., COULON, P.-E., Niemi, T., Ulysse, C., Kociak, M., Mailly, D., Rizza, G. & Kauranen, M., 24 Nov 2016, In: Scientific Reports. 6, 37469, 10 p., 37469 .

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14 Citations (Scopus)

55 Downloads (Pure)

High Spectral Purity High-Power GaSb-Based DFB Laser Fabricated by Nanoimprint Lithography

Viheriälä, J., Haring, K., Suomalainen, S., Koskinen, R., Niemi, T. & Guina, M., 2016, In: IEEE Photonics Technology Letters. 28, 11, p. 1233-1236

Research output: Contribution to journal › Article › Scientific › peer-review

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23 Citations (Scopus)

178 Downloads (Pure)

High-temperature lasing in diode microdisk lasers with InAs/InGaAs quantum dots

Moiseev, E. I., Kryzhanovskaya, N. V., Polubavkina, Y. S., Maximov, M. V., Kulagina, M. M., Troshkov, S. I., Zadiranov, Y. M., Lipovskii, A. A., Mukhin, I. S., Guina, M., Niemi, T. & Zhukov, A. E., 23 Nov 2016, In: Journal of Physics: Conference Series. 769, 1, 012056.

Research output: Contribution to journal › Article › Scientific › peer-review

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4 Citations (Scopus)

53 Downloads (Pure)

Imaging of the Second-harmonic Response of Spatially-oriented Individual Ion-shaped Nanoparticles

Slablab, A., Turquet, L., Isotalo, T. J., Mäkitalo, J. A., COULON, P.-E., Niemi, K. T., Kociak, M., Rizza, G. & Kauranen, M. O., 10 Aug 2016, p. 3867. 1 p.

Research output: Other conference contribution › Abstract › Scientific

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Microdisk lasers based on GaInNAs(Sb)/GaAs(N) quantum wells

Kryzhanovskaya, N. V., Moiseev, E. I., Polubavkina, Y. S., Zubov, F. I., Maximov, M. V., Lipovskii, A. A., Kulagina, M. M., Troshkov, S. I., Korpijärvi, V. M., Niemi, T., Isoaho, R., Guina, M., Lebedev, M. V., Lvova, T. V. & Zhukov, A. E., 21 Dec 2016, In: Journal of Applied Physics. 120, 23, 233103.

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7 Citations (Scopus)

38 Downloads (Pure)

Open Access

5 Citations (Scopus)

Site-controlled InAs Quantum Dots Coupled to Surface Plasmons

Hakkarainen, T. V., Tommila, J. T., Schramm, A., Simonen, J. P. J., Niemi, K. T., Strelow, C., Kipp, T., Kontio, J. M. & Guina, M., 2016.

Research output: Other conference contribution › Abstract › Scientific

Site-controlled InAs Quantum Dots for Plasmonics

Hakkarainen, T., Tommila, J., Schramm, A., Simonen, J., Niemi, T., Strelow, C., Kipp, T., Kontio, J. & Guina, M., 2016, Conference on Lasers and Electro-Optics 2016: QELS_Fundamental Science. OSA - The Optical Society, FM1B.3

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

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Tapio Niemi

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