TAKAGI & TAKENAKA Laboratory Group

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Publications/index

Paper list of Takagi and Takenaka Group : index

2017 |2016 | 2015 | 2014 | 2013  | 2012 | 2011 | 2010 | 2009 | 2008 | Before 2007

Publications (2018)

[Journal Paper]  [International conference Paper]

Journal Papers

  1. M. Takenaka, J.-H. Han, F. Boeuf, J.-K. Park, Q. Li, C. P. Ho, D. Lyu, S. Ohno, J. Fujikata, S. Takahashi, and S. Takagi, “III-V/Si hybrid MOS optical phase shifter for Si photonic integrated circuits,” IEEE/OSA Journal of Lightwave Technology, vol. 37, no. 5, pp. 1474–1483, March 2019 (invited). DOI: 10.1109/JLT.2019.2892752
  2. C.-P. Ho, Z. Zhao, Q. Li, S. Takagi, and M. Takenaka, “Tunable germanium-on-insulator band-stop optical filter using thermo-optic effect,” IEEE Photonics Journal, 2019. DOI: 10.1109/JPHOT.2019.2904050
  3. M. Yokoyama, H. Yokoyama, M. Takenaka, and S. Takagi, “InGaSb-on-insulator p-channel metal-oxide-semiconductor field-effect transistors on Si fabricated by direct wafer bonding,” J. Appl. Phys., vol. 125, 114501, 2019. DOI: 10.1063/1.5049518
  4. M. Ke, M. Takenaka, and S. Takagi, “Slow trap properties and generation in Al2O3/GeOx/Ge MOS interfaces formed by plasma oxidation process,” ACS Applied Electronic Materials, vol. 1, no. 3, pp. 311–317, 2019. DOI: 10.1021/acsaelm.8b00071
  5. D.-A. Ahn, S.-H. Yoon, K. Kato, T. Fukui, M. Takenaka, and S. Takagi, “Effects of ZrO2/Al2O3 gate-stack on the performance of planar-type InGaAs TFET,” IEEE Trans. Electron Devices, vol. 66, no. 4, pp. 1862–1867, 2019. DOI: 10.1109/TED.2019.2897821
  6. T. Fujigaki, S. Takagi, and M. Takenaka, “High-efficiency Ge thermo-optic phase shifter on Ge-on-insulator platform,” Optics Express, vol. 27, no. 5, pp. 6451–6458, 2019. DOI: 10.1364/OE.27.006451
  7. T. Sanjoh, N. Sekine, K. Kato, S. Takagi, and M. Takenaka, “Thermal properties of III–V on a SiC platform for photonic integrated circuits,” Jpn. J. Appl. Phys., vol. 58, SBBE06, 2019. DOI: 10.7567/1347-4065/aafd8b
  8. K. Endo, K. Kato, M. Takenaka, and S. Takagi, “Electrical characteristic of atomic layer deposition La2O3/Si MOSFETs with ferroelectric-type hysteresis,” Jpn. J. Appl. Phys., vol. 58, SBBA05, 2019. DOI: 10.7567/1347-4065/aafecf
  9. Y. Taguchi, S. Takagi, and, M. Takenaka, “Numerical analysis of Ge/Si hybrid MOS optical modulator operating at mid-infrared wavelength,” Jpn. J. Appl. Phys., vol. 58, SBBE03, 2019. DOI: 10.7567/1347-4065/aafb52
  10. K.-W. Jo, W.-K. Kim, M. Takenaka, and S. Takagi “Impact of SiGe layer thickness in starting substrates on strained Ge-on-insulator pMOSFETs fabricated by Ge condensation method,” Appl. Phys. Lett., vol. 114, 062101, 2019. DOI: 10.1063/1.5068713
  11. K. Sumita, K. Kato, M. Takenaka, and S. Takagi, “Fabrication of thin body InAs-on-insulator structures by Smart Cut method with H+ implantation at room temperature,” Jpn. J. Appl. Phys., vol. 58, SBBA03, 2019. DOI: 10.7567/1347-4065/aafa68
  12. S. Takagi, W.-K. Kim, K.-W. Jo, R. Matsumura, R. Takaguchi, T. Katoh, T.-E. Bae, K. Kato and M. Takenaka, “Ultrathin-body Ge-On-Insulator MOSFET and TFET technologies,” ECS Trans., vol. 86, no. 7, pp. 75–86, 2018 (invited). DOI: 10.1149/08607.0075ecst
  13. J. Fujikata, S. Takahashi, T. Mogami, K. Kurata, M. Takenaka, and T. Nakamura, “High-performance Si optical modulator and Ge photodetector and their application to silicon photonics integrated circuit,” ECS Trans., vol. 86, no. 7, pp. 17–25, 2018 (invited). DOI:10.1149/08607.0017ecst
  14. S. Takagi, D.-H. Ahn, T. Gotow, C. Yokoyama, C.-Y. Chang, K. Endo, K. Katoh, and M. Takenaka, “Ultra-low power III-V-based MOSFETs and tunneling FETs,” ECS Trans., vol. 85, no. 8, pp. 27–37, 2018 (invited). DOI:10.1149/08508.0027ecst
  15. Q. Li, J.-H. Han, C. P. Ho, S. Takagi, and M. Takenaka, “Ultra-power-efficient 2 × 2 Si Mach-Zehnder interferometer optical switch based on III-V/Si hybrid MOS phase shifter,” Optics Express, vol. 26, no. 26, pp. 35003–35012, 2018. DOI: 10.1364/OE.26.035003
  16. J. Kang, S. Takagi, and M. Takenaka, “Ge photodetector monolithically integrated with amorphous Si waveguide on wafer-bonded Ge-on-insulator substrate,” Optics Express, vol. 26, no. 23, pp. 30546–30555, 2018. DOI: 10.1364/OE.26.030546
  17. P.-C. Huang, T. Tanamoto, M. Goto, M. Takenaka, and S. Takagi, “Investigation of electrical characteristics of vertical junction Si n-type Tunnel FET,” IEEE Trans. Electron Devices, vol. 65, no. 12, pp. 5511–5517, 2018. DOI: 10.1109/TED.2018.2874534
  18. M. Ke, M. Takenaka, and S. Takagi, “Impact of atomic layer deposition high k films on slow trap density in Ge MOS interfaces with GeOx interfacial layers formed by plasma pre-oxidation,” IEEE Journal of the Electron Devices Society, vol. 6, No. 1, 950– 955, 2018. DOI: 10.1109/JEDS.2018.2822758
  19. T.-H. Xiao, Z. Zhao, W. Zhou, M. Takenaka, H.-K. Tsang, Z. Cheng, and K. Goda, “High-Q germanium optical nanocavity,” Photonics Res., vol. 6, no. 9, pp. 925–928, 2018. DOI: 10.1364/PRJ.6.000925
  20. T.-E. Bae, K. Kato, R. Suzuki, R. Nakane, M. Takenaka, and S. Takagi “Influence of impurity concentration in Ge sources on electrical properties of Ge/Si hetero-junction tunneling field-effect transistors,” Appl. Phys. Lett., vol. 113, 062103, 2018. DOI: 10.1063/1.5028529
  21. C. P. Ho, Z. Zhao, Q. Li, S. Takagi, and M. Takenaka, “Tunable grating coupler by thermal actuation and thermo-optic effect,” IEEE Photonics Technology Letters, Vol. 30, No. 17, pp. 1503–1506, 2018. DOI: 10.1109/LPT.2018.2857469
  22. G. Z. Mashanovich, M. Nedeljkovic, J. Soler-Penades, Z. Qu, W. Cao, A. Osman, Y. Wu, C. J. Stirling, Y. Qi, Y.X. Cheng, L. Reid, C. G. Littlejohns, J. Kang, Z. Zhao, M. Takenaka, T. Li, Z. Zhou, F. Y. Gardes, D. J. Thomson, and G. T. Reed, “Group IV mid-infrared photonics,” Optics Materials Express, vol. 8, no. 8, pp. 2276–2286, 2018 (invited). DOI: 10.1364/OME.8.002276
  23. S.-H. Yoon, D.-H. Ahn, M. Takenaka, and S. Takagi, “Relationship between interface state generation and substrate hole current in InGaAs metal-oxide-semiconductor (MOS) interfaces,” J. Appl. Phys., vol. 123, 234502, 2018. DOI: 10.1063/1.5031052
  24. T. H. Xiao, Z. Zhao, W. Zhou, C.-Y. Chang, S. Y. Set, M. Takenaka, H. K. Tsang, Z. Cheng, and K. Goda, “Mid-infrared high-Q germanium microring resonator,” Optics Letters, vol. 43, no. 12, pp. 2885–2888, 2018. DOI: 10.1364/OL.43.002885
  25. K. Kato, H. Matsui, H. Tabata, M. Takenaka, and S. Takagi, “TiN/Al2O3/ZnO gate stack engineering for top-gate thin film transistors by combination of post oxidation and annealing,” Appl. Phys. Lett., vol. 112, 162105, 2018. DOI: 10.1063/1.5020080
  26. C. Yokoyama, C.-Y. Chang, M. Takenaka, and S. Takagi, “Pre-treatment effects on high-k/InxGa1-xAs MOS interface properties and their physical model,” IEEE Journal of the Electron Devices Society, vol. 6, No. 1, 487– 493, 2018. DOI: 10.1109/JEDS.2017.2760344
  27. S. Glass, K. Kato, L. Kibkalo, J.-M. Hartmann, S. Takagi, D. Buca, S. Mantl and Q.-T. Zhao, “A novel gate-normal tunneling field-effect transistor with dual-metal gate,” IEEE Journal of the Electron Devices Society, vol. 6, No. 1, 1070– 1076, 2018. DOI: 10.1109/JEDS.2018.2864581
  28. J. Kang, S. Takagi, and M. Takenaka, “Design and characterization of Ge passive waveguide components on Ge-on-insulator wafer for mid-infrared photonics,” Jpn. J. Appl. Phys., vol. 57, 042202, 2018. DOI: 10.7567/JJAP.57.042202
  29. Y. Yamaguchi, S. Takagi and M. Takenaka, “Low-loss graphene-based optical phase modulator operating at mid-infrared wavelength,” Jpn. J. Appl. Phys., vol. 57, 04FH06, 2018. DOI: 10.7567/JJAP.57.04FH06
  30. T. Katoh, R. Matsumura, R. Takaguchi, M. Takenaka and S. Takagi, “Performance enhancement of GOI tunneling FETs with source junctions formed by low energy BF2 ion implantation,” Jpn. J. Appl. Phys, vol. 57, 04FD15, 2018. DOI: 10.7567/JJAP.57.04FD15
  31. T.-E. Bae, Y. Wakabayashi, R. Nakane, M. Takenaka, and S. Takagi, “Effects of Annealing Gas and Drain Doping Concentration on Electrical Properties of Ge-source/Si-channel hetero-junction tunneling FETs,” Jpn. J. Appl. Phys., vol. 57, 04FD11, 2018. DOI: 10.7567/JJAP.57.04FD11
  32. R. Takaguchi, R. Matsumura, T. Katoh, M. Takenaka, and S. Takagi, “Ge p-channel tunneling FETs with steep phosphorus profile source junctions,” Jpn. J. Appl. Phys., vol. 57, 04FD10, 2018. DOI: 10.7567/JJAP.57.04FD10
  33. R. Matsumura, T. Katoh, R. Takaguchi, M. Takenaka, and S. Takagi, “Ge-on-insulator tunneling FET with abrupt source junction formed by utilizing snowplow effect of NiGe,” Jpn. J. Appl. Phys., vol. 57, 04FD05, 2018. DOI: 10.7567/JJAP.57.04FD05
  34. K. Kukita, T. Uechi, J. Shimokawa, M. Goto, Y. Yokota, S. Kawanaka, T. Tanamoto, H. Tanimoto and S. Takagi, “Simulation of planar single-gate Si tunnel FET with average subthreshold swing of less than 60 mV/decade for 0.3 V operation,” Jpn. J. Appl. Phys., vol. 57, 04FD09, 2018. DOI: 10.7567/JJAP.57.04FD09

[Journal Paper]  [International conference Paper]

International Conference Papers

  1. Q. Li, C. P. Ho, S. Takagi, and M. Takenaka, “Efficient Optical Modulator by Reverse-biased III-V/Si Hybrid MOS Capacitor based on FK Effect and Carrier Depletion,” Optical Fiber Communication Conference (OFC2019), M4A.2, San Diego, 3–7 March 2019.
  2. K. Kato, H. Matsui, H. Tabata, M. Takenaka, and S. Takagi, “Material design of oxide-semiconductor/group-IV-semiconductor bilayer tunneling field effect transistors,” Electron Devices Technology and Manufacturing Conference (EDTM2019), Singapore, 13–15 March 2019.
  3. C.-M. Lim, M. Takenaka, and S. Takagi, “Improvement of material quality of (100) and (111) Ge-on-insulator substrates fabricated by smart-cut technology,” Electron Devices Technology and Manufacturing Conference (EDTM2019), Singapore, 13–15 March 2019.
  4. Z. Cheng, T.-H. Xiao, Z. Zhao, W. Zhou, C.-Y. Chang, S. Y. Set, M. Takenaka, H. K. Tsang, K. Goda, “Mid-infrared high-Q germanium resonators,” SPIE Photonics West, 10923-34, San Francisco, USA, 2–7 February 2019.
  5. M. Takenaka, “Heterogeneous integration of III-V on Si for AI computing,” NTU-UTokyo workshop, Taipei, Taiwan, 12–13 December 2018 (invited).
  6. S.-H. Yoon, D.-H. Ahn, C. Yokoyama, M. Takenaka, and S. Takagi, “Correlation of interface state generation and InGaAs MOS interface properties,” 49th IEEE Semiconductor Interface Specialists Conference (SISC), 3.2, San Diego, 5–8 December 2018.
  7. D.-H. Ahn, S.-H. Yoon, K. Kato, T. Fukui, M. Takenaka, and S. Takagi, “EOT scaling of planar-type InGaAs TFETs by using W/ZrO2/Al2O3 gate stacks,” 49th IEEE Semiconductor Interface Specialists Conference (SISC), 8.4, San Diego, 5–8 December 2018.
  8. T.-E. Lee, M. Ke, K. Kato, M. Takenaka and S. Takagi, “Reduction in interface trap density of TiN/Y2O3/Si0.62Ge0.38 gate stacks with high temperature PMA,” 49th IEEE Semiconductor Interface Specialists Conference (SISC), 9.2, San Diego, 5–8 December 2018.
  9. M. Ke, P. Cheng, K. Kato, M. Takenaka, and S. Takag, “Characterization and understanding of slow traps in GeOx-based n-Ge MOS interfaces,” International Electron Devices Meeting (IEDM2018), 34.3, San Francisco, 1–5 December 2018.
  10. M. Takenaka, “Efficient optical phase modulator based on Si hybrid MOS capacitor,” 8th International Symposium on Photonics and Electronics Convergence (ISPEC2018), C-6, Tokyo, 3–4 December 2018.
  11. C. P. Ho, Z. Zhao, Q. Li, S. Takagi, and M. Takenaka, “Investigation of a germanium-on-insulator band-stop filter,” 8th International Symposium on Photonics and Electronics Convergence (ISPEC2018), P-07, Tokyo, 3–4 December 2018.
  12. Q. Li, C. P. Ho, S. Takagi, and M. Takenaka, “Demonstration of Si racetrack resonator based on III-V/Si hybrid MOS phase shifter,” 8th International Symposium on Photonics and Electronics Convergence (ISPEC2018), P-09, Tokyo, 3–4 December 2018.
  13. Z. Zhao, C. P. Ho, S. Takagi, and M. Takenaka, “Fabrication of high-Q ring resonator using low loss GeOI wafer,” 8th International Symposium on Photonics and Electronics Convergence (ISPEC2018), P-08, Tokyo, 3–4 December 2018.
  14. M. Takenaka, “Electronic-photonic integrated circuits based on heterogeneous integration of III-V, Ge, and 2D materials on Si,” Korean Institute of Science and Technology (KIST), Seoul, 29 October 2018 (invited).
  15. S. Takagi, W.-K. Kim, K.-W. Jo, R. Matsumura, R. Takaguchi, T. Katoh, T.-E. Bae K. Kato, and M. Takenaka, “Ultrathin-body Ge-on-insulator MOSFET and TFET technologies,” Americas International Meeting on Electrochemistry and Solid State Science (AiMES), Symposium G03, 1042, Cancun, Mexico, 30 September - 4 October 2018 (invited).
  16. J. Fujikata, S. Takahashi, T. Mogami, K. Kurata, M. Takenaka, and T. Nakamura, “High-Performance Si optical modulator and Ge photodetector and their application to silicon photonics integrated circuit,” Americas International Meeting on Electrochemistry and Solid State Science (AiMES), Symposium G03, 1013, Cancun, Mexico, 30 September - 4 October 2018 (invited).
  17. M. Takenaka, J. Han, F. Boeuf, J.-K. Park, Q. Li, C. P. Ho, D. Lyu, S. Ohno, J. Fujikata, S. Takahashi, and S. Takagi, “III-V/Si hybrid MOS optical phase modulator for Si photonic integrated circuits,” European Conference on Optical Communication (ECOC 2018), Mo3C.3, 23–27 September 2018 (invited).
  18. T. Fujigaki, S. Takagi, and M. Takenaka, “Low-power Ge thermo-optic phase shifter on Ge-on-Insulator platform,” European Conference on Optical Communication (ECOC 2018), Th2.10, 23–27 September 2018.
  19. M. Takenaka, J. Han, Q. Li, C.P. Ho, D. Lyu, S. Ohno, and S. Takagi, “Si hybrid MOS optical phase shifter for switching and computing,” Photonics in Switching and Computing (PSC 2018), Th3B.1, 19–21 September 2018 (invited).
  20. T. Sanjoh, N. Sekine, S. Takagi, M. Takenaka, “Heat dissipation property of III-V on SiC platform for photonic integrated circuits,” International Conference on Solid State Devices and Materials (SSDM), H-3-03, Tokyo, 11-13 Sept. 2018.
  21. M. Yamaguchi, T. Gotow, M. Takenaka, and S. Takagi, “Performance enhancement of Si MOSFETs using antiferroelectric thin films as gate insulators,” International Conference on Solid State Devices and Materials (SSDM), C-4-02, Tokyo, 11-13 Sept. 2018.
  22. K. Kato, H. Matsui, H. Tabata, M. Takenaka, and S. Takagi, “Impact of channel thickness fluctuation on performance of bilayer tunneling field effect transistors,” International Conference on Solid State Devices and Materials (SSDM), C-4-04, Tokyo, 11-13 Sept. 2018.
  23. Y. Taguchi, S. Takagi, and M. Takenaka, “Proposal of Ge/Si hybrid MOS optical modulator operating at mid-infrared wavelengths,” International Conference on Solid State Devices and Materials (SSDM), H-6-02, Tokyo, 11-13 Sept. 2018.
  24. S. Takagi, K. Endo, K. Kato, and M. Takenaka, “Electrical characteristic of La2O3/Si MOSFETs with ferroelectric-type hysteresis,” International Conference on Solid State Devices and Materials (SSDM), C-7-05, Tokyo, 11-13 Sept. 2018.
  25. T. Gotow, M. Mitsuhara, T. Hoshi, H. Sugiyama, M. Takenaka, and S. Takagi, “Improvement of ION and S.S. values of p-GaAs0.51Sb0.49/In0.53Ga0.47As hetero-junction vertical TFETs by using abrupt source impurity profile,” International Conference on Solid State Devices and Materials (SSDM), PS-1-29, Tokyo, 11-13 Sept. 2018.
  26. K. Sumita, K. Kato, M. Takenaka, S. Takagi, “Fabrication of InAs-on-Insulator structures by Smart Cut method with hydrogen implantation at room temperature,” International Conference on Solid State Devices and Materials (SSDM), C-8-01, Tokyo, 11-13 Sept. 2018.
  27. S. Glass, M. Liu, K. Kato, J.-M. Hartmann, S. Takagi, D. Buca, S. Mantl and Q. T. Zhao, “Mitigating edge effects in gate-normal tunneling field-effect transistors using a Ti/TiN dual-metal gate,” International Conference on Solid State Devices and Materials (SSDM), C-7-06, Tokyo, 11-13 Sept. 2018.
  28. S. Takagi, K. Kato W.-K. Kim, K. Jo, R. Matsumura, R. Takaguchi, D.-H. Ahn, T. Gotow, and M. Takenaka, “MOS Device Technology using alternative channel materials for low power logic LSI,” 48th European Solid-State Device Conference (ESSDERC 2018), A5L-E, Dresden, Germany, 3–6 September 2018 (keynote).
  29. Z. Cheng, T.-H. Xiao, Z. Zhao, W. Zhou, M. Takenaka, H. K. Tsang, and K. Goda, “Mid-infrared germanium photonic integrated circuits for on-chip biochemical sensing,” Pasific Rim Conference on Laser and Electro-optics (CLEO-PR2018), Th3C.4, Hong Kong, 29 July–4 August 2018 (invited).
  30. M. Takenaka and S. Takagi, “Heterogeneous integration of III-V/Ge on Si for photonic integrated circuits,” Progress In Electromagnetics Research Symposium (PIERS2018), 1A11-2, Toyama, 1–4 August 2018 (invited).
  31. T.-H. Xiao, Z. Zhao, W. Zhou, M. Takenaka, H. K. Tsang, Z. Cheng, and K. Goda, “Mid-infrared germanium photonic integrated platform,” Progress In Electromagnetics Research Symposium (PIERS2018), 3P12b, Toyama, 1–4 August 2018.
  32. M. Takenaka and S. Takagi, “Ge-on-insulator platform for mid-infrared integrated photonics,” IEEE Summer Topicals Meeting Series, TuA4.2, Waikoloa, Hawaii, US, 9–11 July 2018 (invited).
  33. S. Takagi, K. Kato, R. Takaguchi, T.-E. Bae, D.-H. Ahn, T. Gotow, and M. Takenaka, “Tunneling MOSFET technology for ultra-low power integrated system,” Asia-Pacific Workshop on Fundamentals and Applications of Advanced Semiconductor Devices (AWAD2018), K-1, Kitakyushu, 2–4 July 2018 (plenary).
  34. J. Han, S. Takagi, and M. Takenaka, “Semiconductor-insulator-semiconductor (SIS) structures for high-performance optical modulation,” Optoelectronics and Communications Conference (OECC2018), 4E1-2, Jeju, Korea, 2–6 July 2018 (invited).
  35. M. Takenaka and S. Takagi, “Opportunities of III-V/Si hybrid integration for optical modulation and switching,” 9th International Symposium on the Physics of Semiconductors and Applications (ISPSA2018), MoA2-1, Jeju, Korea, 1–5 July 2018 (invited).
  36. K-W. Jo, W-K. Kim, M. Takenaka, and S. Takagi, “Hole mobility enhancement in extremely-thin-body strained GOI and SGOI pMOSFETs by improved Ge condensation method,” VLSI Symposium, T18-3, Hawaii, USA, 19-21 June 2018. DOI: 10.1109/VLSIT.2018.8510646
  37. S. Takagi, D.-H. Ahn, T. Gotow, and M. Takenaka, “Ultra-Low Power III-V-based Mosfets and tunneling FETs,” 233rd ECS Meeting, Symposium H02, 1457, Seattle Sheraton and Washington State Convention Center, USA, 13–17 May 2018 (invited).
  38. M. Takenaka and S. Takagi, “Efficient phase modulation based on Si hybrid MOS capacitor for universal photonic integrated circuits,” International Conference on Nano-photonics and Nano-optoelectronics (ICNN2018), ICNN6-1, Yokohama, 25–27 April 2018 (invited).
  39. M. Takenaka and S. Takagi, “Si hybrid MOS capacitor for optical modulation and switching,” International Conference on Nano/Micro Engineered and Molecular Systems (IEEE NEMS2018), Singapore, 22-26 April 2018 (invited).

 


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