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Amorphous silicon waveguide escalator: Monolithic integration of active components on 3 μm SOI platform
Bera, A., Cherchi, M., Tappura, K., Heimala, P. & Aalto, T., 2020, Silicon Photonics XV. Reed, G. T. & Knights, A. P. (eds.). International Society for Optics and Photonics SPIE, 1128507. (Proceedings of SPIE, Vol. 11285).Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review
Compact multi-million Q resonators and 100 MHz passband filter bank in a thick-SOI photonics platform
Zhang, B., Qubaisi, K. A., Cherchi, M., Harjanne, M., Ehrlichman, Y., Khilo, A. N. & Popović, M. A., 1 Jun 2020, In : Optics Letters. 45, 11, p. 3005-3008 4 p.Research output: Contribution to journal › Article › Scientific › peer-review
Enhancement of Superconductivity by Amorphizing Molybdenum Silicide Films Using a Focused Ion Beam
Mykkänen, E., Bera, A., Lehtinen, J. S., Ronzani, A., Kohopää, K., Hönigl-decrinis, T., Shaikhaidarov, R., De Graaf, S. E., Govenius, J. & Prunnila, M., 16 May 2020, In : Nanomaterials. 10, 5, 950.Research output: Contribution to journal › Article › Scientific › peer-review
Flat-top interleavers based on single MMIs
Cherchi, M., Sun, F., Kapulainen, M., Harjanne, M. & Aalto, T., 2020, Silicon Photonics XV. Reed, G. T. & Knights, A. P. (eds.). International Society for Optics and Photonics SPIE, 112850G. (Proceedings of SPIE, Vol. 11285).Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review
GaSb diode lasers tunable around 2.6 μm using silicon photonics resonators or external diffractive gratings
Ojanen, S. P., Viheriälä, J., Cherchi, M., Zia, N., Koivusalo, E., Karioja, P. & Guina, M., 27 Feb 2020, In : Applied Physics Letters. 116, 8, 081105.Research output: Contribution to journal › Article › Scientific › peer-review
High-performance infrared thermoelectric bolometers based on nanomembranes
Varpula, A., Tappura, K., Tiira, J., Grigoras, K., Viherkanto, K., Ahopelto, J. & Prunnila, M., 26 Feb 2020, Photonic and Phononic Properties of Engineered Nanostructures X. Adibi, A., Lin, S-Y. & Scherer, A. (eds.). International Society for Optics and Photonics SPIE, 112891O. (Proceedings of SPIE, Vol. 11289).Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review
Monolithic integration of up to 40 GHz Ge photodetectors in 3μm SOI
Vehmas, T., Kapulainen, M., Heimala, P., Delrosso, G., Sun, F., Gao, F. & Aalto, T., 2020, Silicon Photonics XV. Reed, G. T. & Knights, A. P. (eds.). International Society for Optics and Photonics SPIE, 112850V. (Proceedings of SPIE, Vol. 11285).Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review
Multiplexed mycotoxins determination employing white light reflectance spectroscopy and silicon chips with silicon oxide areas of different thickness
Anastasiadis, V., Koukouvinos, G., Petrou, P. S., Economou, A., Dekker, J., Harjanne, M., Heimala, P., Goustouridis, D., Raptis, I. & Kakabakos, S. E., 1 Apr 2020, In : Biosensors and Bioelectronics. 153, 112035.Research output: Contribution to journal › Article › Scientific › peer-review
Multi-Tb/s sustainable MAN scenario enabled by VCSEL-based innovative technological solutions
Boffi, P., Parolari, P., Gatto, A., Rapisarda, M., Svaluto Moreolo, M., Nadal, L., Fabrega, J. M., Calabretta, N., Stabile, R., Tessema, N., Larrabeiti, D., Fernández-Palacios, J. P., Otero, G., Neumeyr, C., Delrosso, G., Bhat, S., Solis-Trapala, K. & Parladori, G., 1 Jan 2020, Metro and Data Center Optical Networks and Short-Reach Links III. International Society for Optics and Photonics SPIE, (Proceedings of SPIE, Vol. 11308).Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review
Polymer interposer for efficient light coupling into 3 μm silicon-on-insulator waveguides
Hiltunen, M., Harjanne, M. T., Vehmas, T., Wälchli, B., Heimala, P. & Aalto, T., 1 Jan 2020, Optical Interconnects XX. Schröder, H. & Chen, R. T. (eds.). International Society for Optics and Photonics SPIE, 112860I. (Proceedings of SPIE, Vol. 11286).Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review
Precise length definition of active GaAs-based optoelectronic devices for low-loss silicon photonics integration
Tuorila, H., Viheriälä, J., Zia, N., Cherchi, M., Harjanne, M., Isoaho, R., Aalto, T. & Guina, M., 15 Feb 2020, In : Optics Letters. 45, 4, p. 943-946 4 p.Research output: Contribution to journal › Article › Scientific › peer-review
Review of LTCC Technology for Millimeter Waves and Photonics
Lahti, M., Kautio, K., Karppinen, M., Ollila, J., Keränen, K. & Karioja, P., 1 Jun 2020, In : International Journal of Electronics and Telecommunications. 66, 2, p. 361-367 7 p.Research output: Contribution to journal › Article › Scientific › peer-review
Vapour-assisted roll-to-roll nanoimprinting of micropillars on nanocellulose films
Mäkelä, T., Hokkanen, A., Sneck, A., Ruotsalainen, T., Khakalo, A. & Tammelin, T., 15 Mar 2020, In : Microelectronic Engineering. 225, 111258.Research output: Contribution to journal › Article › Scientific › peer-review
1.3μm u-bend traveling wave SOA devices for high efficiency coupling to silicon photonics
Viheriälä, J., Tuorila, H., Zia, N., Cherchi, M., Aalto, T. & Guina, M., 4 Mar 2019, Silicon Photonics XIV. Reed, G. T. & Knights, A. P. (eds.). International Society for Optics and Photonics SPIE, 7 p. 109230E. (Proceedings of SPIE, Vol. 10923).Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review
All-Silicon Spectrally Resolved Interferometric Circuit for Multiplexed Diagnostics: A Monolithic Lab-on-a-Chip Integrating All Active and Passive Components
Misiakos, K., Makarona, E., Hoekman, M., Fyrogenis, R., Tukkiniemi, K., Jobst, G., Petrou, P. S., Kakabakos, S. E., Salapatas, A., Goustouridis, D., Harjanne, M., Heimala, P. & Raptis, I., 13 Jun 2019, In : ACS Photonics. 6, 7, p. 1694-1705 12 p.Research output: Contribution to journal › Article › Scientific › peer-review
Disruptive photonic technologies for the future sustainable high-capacity metro network
Gatto, A., Parolari, P., Rapisarda, M., Neumeyr, C., Bhat, S., Delrosso, G., Moreolo, M. S., Fabrega, J. M., Nadal, L. & Boffi, P., Jul 2019, 21st International Conference on Transparent Optical Networks, ICTON 2019. IEEE Institute of Electrical and Electronic Engineers, 4 p.Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review
Fabrication tolerant polarization splitters for micron-scale silicon photonics: Master's thesis
Shahwar, D., 23 Jul 2019, University of Eastern Finland.Research output: Thesis › Master's thesis
GaSb-based 2.55 µm external cavity diode lasers employing ruled diffraction gratings and external silicon photonics vernier reflectors
Ojanen, S. P., Viheriälä, J., Cherchi, M., Zia, N., Koivusalo, E., Karioja, P. & Guina, M., 1 Jan 2019, 2019 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC). IEEE Institute of Electrical and Electronic Engineers, 1 p. (Optics InfoBase Conference Papers).Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Scientific
Integrated faraday rotator
Cherchi, M., Petrov, A., Jalas, D., Harjanne, M., Aalto, T. & Eich, M., 28 Feb 2019, IPC No. G02B 6/126, Patent No. WO2019038477 A1, 22 Aug 2018, Priority date 22 Aug 2017, Priority No. US201762548467PResearch output: Patent › Patent application
IR spectroscopic technologies for gas sensing
Karioja, P., Cherchi, M., Harjanne, M., Viheriälä, J., Guina, M., Buczynski, R., Kasztelanic, R., Salo, T., Virtanen, S., Kluczynski, P., Borgen, L. & Kalinowski, P., Sep 2019, International Conference on New Trends in Contemporary Optics: September 23rd - 26th, 2019, Vinh City, Vietnam. p. 43-43 1 p.Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Scientific
Open-access 3 μm SOI waveguide platform for dense photonic integrated circuits
Aalto, T., Cherchi, M., Harjanne, M., Bhat, S., Heimala, P., Sun, F., Kapulainen, M., Hassinen, T. & Vehmas, T., 1 Sep 2019, In : IEEE Journal on Selected Topics in Quantum Electronics. 25, 5, 9 p., 8678404.Research output: Contribution to journal › Article › Scientific › peer-review
Open-Access Silicon Photonics Platforms in Europe
Rahim, A., Goyvaerts, J., Szelag, B., Fedeli, J. M., Absil, P., Aalto, T., Harjanne, M., Littlejohns, C. G., Reed, G. T., Winzer, G., Lischke, S., Lars, Z., Knoll, D., Geuzebroek, D., Leinse, A., Geiselmann, M., Zervas, M., Jans, H., Stassen, A., Dominguez, C. & 5 others, , 1 Sep 2019, In : IEEE Journal on Selected Topics in Quantum Electronics. 25, 5, 8712400.Research output: Contribution to journal › Article › Scientific › peer-review
Optical transceiver engine based on 12 μm Silicon-on-insulator waveguides and VCSELs
Karppinen, M., Harjanne, M., Vehmas, T., Neumeyr, C., Sitomaniemi, A., Ollila, J., Kapulainen, M., Tanskanen, A., Heimala, P. & Aalto, T., 2019. 3 p.Research output: Contribution to conference › Conference article › Scientific
Si photonics using micron-size waveguides
Aalto, T., Cherchi, M., Harjanne, M., Sun, F., Vehmas, T., Bhat, S., Kapulainen, M., Hokkanen, A., Lehtimäki, L., Holmberg, H. & Haapalinna, A., 27 Feb 2019, Optical Components and Materials XVI. Digonnet, M. J. F. & Jiang, S. (eds.). International Society for Optics and Photonics SPIE, 12 p. 109140B. (Proceedings of SPIE, Vol. 10914).Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review
Spectrum/Space Switching and Multi-Terabit Transmission in Agile Optical Metro Networks
Moreolo, M. S., Martinez, R., Nadal, L., Fabrega, J. M., Tessema, N., Calabretta, N., Stabile, R., Parolari, P., Gatto, A., Boffi, P., Otero, G., Larrabeiti, D., Hernandez, J. A., Reviriego, P., Fernandez-Palacios, J. P., Lopez, V., Delrosso, G., Neumeyr, C., Solis-Trapala, K., Parladori, G. & 1 others, , Jul 2019, 24th OptoElectronics and Communications Conference/International Conference Photonics in Switching and Computing 2019, OECC/PSC 2019. IEEE Institute of Electrical and Electronic Engineers, 3 p. 8818018Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review
3μm silicon photonics
Aalto, T., Cherchi, M., Harjanne, M., Sun, F. & Kapulainen, M., 1 Jan 2018, 2018 Optical Fiber Communications Conference and Exposition, OFC 2018 - Proceedings. Optical Society of America OSA, Vol. Part F84-OFC 2018. p. 3-5 3 p. TU3A.5Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review
Advanced Raman Spectroscopy for Bioprocess Monitoring: Dissertation
Kögler, M., 16 Mar 2018, 136 p.Research output: Thesis › Dissertation
A low-latency optical switch architecture using integrated μm SOI-based contention resolution and switching
Mourgias-Alexandris, G., Moralis-Pegios, M., Terzenidis, N., Cherchi, M., Harjanne, M., Aalto, T., Vyrsokinos, K. & Pleros, N., 1 Jan 2018, Optical Interconnects XVIII. Schröder, H. & Chen, R. T. (eds.). International Society for Optics and Photonics SPIE, p. 7 (Proceedings of SPIE, Vol. 10538).Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review
Data Transmission at1.3 μmUsing Hybrid Integrated Silicon Interposer and GalnNAs/GaAs Electroabsorption Modulator
Guina, M., Sheehan, R. N., Isoaho, R., Viheriälä, J., Harjanne, M., Malacarne, A., Falconi, F., Aalto, T. & Peters, F. H., 2018, 2018 European Conference on Optical Communication, ECOC 2018. IEEE Institute of Electrical and Electronic Engineers, 8535166Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review
Data transmission at 1300 nm using optical interposer comprising hybrid integrated silicon waveguide and dilute nitride electroabsorption modulator
Sheehan, R. N., Guina, M., Viheriälä, J., Isoaho, R., Harjanne, M., Azarello, F., Yang, M., Malacarne, A., Aalto, T. & Peters, F. H., 24 Dec 2018, In : Optics Express. 26, 26, p. 34336-34345 10 p.Research output: Contribution to journal › Article › Scientific › peer-review
Integrated multi-wavelength Mid-IR light source for gas sensing
Karioja, P., Alajoki, T., Cherchi, M., Ollila, J., Harjanne, M., Heinilehto, N., Suomalainen, S., Zia, N., Tuorila, H., Viheriälä, J., Guina, M., Buczynski, R., Kasztelanic, R., Salo, T., Virtanen, S., Kluczynski, P., Borgen, L., Ratajczyk, M. & Kalinowski, P., 2018, Next-Generation Spectroscopic Technologies XI. Druy, M. A., Barnett, S. M., Profeta, L. T. M., Crocombe, R. A. & Azad, A. K. (eds.). International Society for Optics and Photonics SPIE, 9 p. 106570A. (Proceedings of SPIE, Vol. 10657).Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review
Light Escalators in Optical Circuits Between Thick and Thin Waveguides
Cherchi, M., Aalto, T. & Arpiainen, S., 25 Oct 2018, IPC No. G02B 6/14, Patent No. WO18193167 A1, 23 Apr 2018, Priority date 21 Apr 2017, Priority No. US20170488101PResearch output: Patent › Patent application
Low loss GaInNAs/GaAs gain waveguides with U-bend geometry for single-facet coupling in hybrid photonic integration
Tuorila, H., Viheriälä, J., Cherchi, M., Aho, A. T., Aalto, T. & Guina, M., 23 Jul 2018, In : Applied Physics Letters. 113, 4, 041104.Research output: Contribution to journal › Article › Scientific › peer-review
Multicast-enabling Optical Switch design employing Si Buffering and Routing Elements
Moralis-Pegios, M., Terzenidis, N., Mourgias-Alexandris, G., Cherchi, M., Harjanne, M., Aalto, T., Miliou, A., Vyrsokinos, K. & Pleros, N., 15 Apr 2018, In : IEEE Photonics Technology Letters. 30, 8, p. 712-715 4 p.Research output: Contribution to journal › Article › Scientific › peer-review
Multichannel VCSEL-based optical transceiver employing multicore fibers at 6x25 Gbps/fiber
Karppinen, M., Tanskanen, A., Ollila, J., Gustavsson, J., Larsson, A., Ko, M., Kissinger, D., Grüner-Nielsen, L., Safaisini, R., Maho, A., Sotom, M. & Stampoulidis, L., 14 Mar 2018, Optical Interconnects XVIII. International Society for Optics and Photonics SPIE, 105380C. (Proceedings of SPIE, Vol. 10538).Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Scientific
Nanocrystalline silicon optomechanical cavities
Navarro-Urrios, D., Capuj, N. E., Maire, J., Colombano, M., Jaramillo-Fernandez, J., Chavez-Angel, E., Martin, L. L., Mercadé, L., Griol, A., Martínez, A., Sotomayer-Torres, C. & Ahopelto, J., 2018, In : Optics Express. 26, 8, p. 9829-9839 11 p.Research output: Contribution to journal › Article › Scientific › peer-review
On-chip SOI Delay Line Bank for Optical Buffers and Time Slot Interchangers
Moralis-Pegios, M., Mourgias-Alexandris, G., Terzenidis, N., Cherchi, M., Harjanne, M., Aalto, T., Miliou, A., Pleros, N. & Vyrsokinos, K., 2018, In : IEEE Photonics Technology Letters. 30, 1, p. 31-34Research output: Contribution to journal › Article › Scientific › peer-review
Optical interconnects based on VCSELs and low-loss silicon photonics
Aalto, T., Harjanne, M., Karppinen, M., Cherchi, M., Sitomaniemi, A., Ollila, J., Malacarne, A. & Neumeyr, C., 1 Jan 2018, Optical Interconnects XVIII. International Society for Optics and Photonics SPIE, 1053816. (Proceedings of SPIE, Vol. 10538).Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review
Photomic Devices and Methods of Using and Making Photonic Devices
Purnawirman, P., Watts, M. R., Hosseini, E. S., Bradley, J. B., Sun, J. & Cherchi, M., 10 May 2018, IPC No. H01S 3/23, Patent No. US2018131155 A1, Priority date 28 Sep 2017, Priority No. US201715718045Research output: Patent › Patent application
PillarHall - Lateral High Aspect Ratio Test Chips
Utriainen, M., 20 Sep 2018. 1 p.Research output: Contribution to conference › Conference Abstract › Scientific › peer-review
PillarHall LHAR structure for Thin Film Conformality Measurements
Utriainen, M., Korpelainen, V., Ylivaara, O., Gao, F., Ylilammi, M. & Puurunen, R. L., 13 May 2018, p. 16.Research output: Contribution to conference › Conference Abstract › Scientific › peer-review
Semiconductor Optical Amplifier with U-bend Geometry for Simplified Coupling to Silicon Photonics Waveguides
Tuorila, H., Viheriälä, J., Cherchi, M., Aho, A., Aalto, T. & Guina, M., 15 Nov 2018, 2018 European Conference on Optical Communication, ECOC 2018. IEEE Institute of Electrical and Electronic Engineers, 8535103Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review
Active implant for optoacoustic natural sound enhancement
Mohrdiek, S., Fretz, M., Jose James, R., Spinola Durante, G., Burch, T., Kral, A., Rettenmaier, A., Milani, R., Putkonen, M., Noell, W., Ortsiefer, M., Daly, A., Vinciguerra, V., Garnham, C. & Shah, D., 1 Jan 2017, Optogenetics and Optical Manipulation. Jansen, E. D., Thakor, N. V., Mohanty, S. K. & Thakor, N. V. (eds.). International Society for Optics and Photonics SPIE, Vol. 10052. 100520K. (Proceedings of SPIE, Vol. 10052).Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review
Fabrication tolerant flat-top interleavers
Cherchi, M., Sun, F., Kapulainen, M., Vehmas, T., Harjanne, M. & Aalto, T., 1 Jan 2017, Silicon Photonics XII. Knights, A. P. & Reed, G. T. (eds.). International Society for Optics and Photonics SPIE, 101080V. (Proceedings of SPIE, Vol. 10108).Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review
Faraday rotation in silicon waveguides
Jalas, D., Hakemi, N., Cherchi, M., Harjanne, M., Petrov, A. Y. & Eich, M., 24 Oct 2017, 2017 IEEE 14th International Conference on Group IV Photonics (GFP). IEEE Institute of Electrical and Electronic Engineers, p. 141-142 2 p. 8082236Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review
Integrated TiN coated porous silicon supercapacitor with large capacitance per foot print
Grigoras, K., Grönberg, L., Ahopelto, J. & Prunnila, M., 1 Jan 2017, Smart Sensors, Actuators, and MEMS VIII. Prunnila, M., Fonseca, L. & Peiner, E. (eds.). International Society for Optics and Photonics SPIE, (Proceedings of SPIE, Vol. 10246).Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review
Low-loss and polarization-insensitive photonic integrated circuit based on micron-scale SOI platform for High Density TDM PONs
Zhang, Q., Fu, S., Man, J., Li, Z., Cherchi, M., Heimala, P., Harjanne, M., Fei, S., Hiltunen, M., Aalto, T. & Zeng, L., 31 May 2017, 2017 Optical Fiber Communications Conference and Exhibition (OFC). Optical Society of America OSA, 3 p. 7937000Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review
Multi-wavelength mid-IR light source for gas sensing
Karioja, P., Alajoki, T., Cherchi, M., Ollila, J., Harjanne, M., Heinilehto, N., Suomalainen, S., Viheriälä, J., Zia, N., Guina, M., Buczynski, R., Kasztelanic, R., Kujawa, I., Salo, T., Virtanen, S., Kluczynski, P., Sagberg, H., Ratajczyk, M. & Kalinowski, P., 1 Jan 2017, Photonic Instrumentation Engineering IV. Soskind, Y. G. & Olson, C. (eds.). International Society for Optics and Photonics SPIE, Vol. 10110. 9 p. 101100P. (Proceedings of SPIE, Vol. Vol. 10110).Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review
Optical waveguides for 1064 nm and chip pigtailing with PM fibers
Katila, P., Aalto, T., Heimala, P. & Leppihalme, M., 1 Jan 2017, International Conference on Space Optics, ICSO 2000. International Society for Optics and Photonics SPIE, Vol. 10569. 1056920Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review
PiezoMEMS at VTT: R&D and manufacturing services
Dekker, J. & Pensala, T., 2017. 42 p.Research output: Contribution to conference › Conference article › Professional