Kiyotaka Sasagawa

Japanese

Biography

1999	B.S., Faculty of Science, Kyoto University
2001	M.E., Graduate School of Materials Science, Nara Institute of Science and Technology
2004	Ph. D., Graduate School of Materials Science, Nara Institute of Science and Technology
2004	Expert Researcher, National Institute of Information and Communications Technology
2008	Assistant Professor, Graduate School of Materials Science, Nara Institute of Science and Technology
Mar. 2015 - Apr. 2016	Columbia University, Visiting Scholar
2018	Assistant Professor, Division of Materials Science, Graduate School of Science and Technology, Nara Institute of Science and Technology
2019	Associate Professor, Division of Materials Science, Graduate School of Science and Technology, Nara Institute of Science and Technology

Interests

• Highly-functinal vision chip
• Real-time RF imaging based on the Pockels effect
• Nonliner photonics in high-Q optical resonators

Selected Papers

	K. Sasagawa*, R. Okada, M. Haruta, H. Takehara, H. Tashiro, J. Ohta, “Polarization image sensor for highly sensitive polarization modulation imaging based on stacked polarizers,” IEEE Trans. Electron Dev. vol. 69, no. 6, pp. 2924-2931, June 2022. doi:10.1109/TED.2022.3140288
	K. Sasagawa, A. Kimura, M. Haruta, T. Noda, T. Tokuda, and J. Ohta, "Wide field-of-view lensless fluorescence imaging device with hybrid bandpass emission filter," AIP Advances, vol. 9, no. 3, 035108, Mar. 2019. doi:10.1063/1.5083152
	K. Sasagawa, A. Kimura, M. Haruta, T. Noda, T. Tokuda, and J. Ohta, "Highly sensitive lens-free fluorescence imaging device enabled by a complementary combination of interference and absorption filters," Biomed. Opt. Express, vol. 9, no. 9, pp. 4329-4344, Sep. 2018. doi:10.1364/BOE.9.004329
	K. Sasagawa, T. Yamaguchi, M. Haruta, Y. Sunaga, H. Takehara, H. Takehara, T. Noda, T. Tokuda, and J. Ohta, "An implantable CMOS image sensor with self-reset pixels for functional brain imaging," IEEE Trans. Electron Dev., vol. 63, no. 1, pp. 215-222, Jan. 2016. doi:10.1109/TED.2015.2454435
	K. Sasagawa, S. Shishido, K. Ando, H. Matsuoka, T. Noda, T. Tokuda, K. Kakiuchi, J. Ohta, "Image sensor pixel with on-chip high extinction ratio polarizer based on 65-nm standard CMOS technology," Opt. Express, vol. 21, no. 9, pp.11132–11140 , Apr. 2013. doi:http://dx.doi.org/10.1364/OE.21.011132
	K. Sasagawa, M. Tsuchiya, "Highly efficient third harmonic generation in a periodically poled MgO:LiNbO3 disk resonator," Appl. Phys. Express, vol. 2, no. 12, 122401, Dec. 2009. doi:http://dx.doi.org/10.1143/APEX.2.122401
	K. Sasagawa, A. Kanno, T. Kawanishi, and M. Tsuchiya, "Live electro-optic imaging system based on ultra-parallel photonic heterodyne for microwave near-fields," IEEE Trans. Microwave Theory and Tech., vol. 55, no. 12, pp. 2782-2791, Dec. 2007. doi:http://dx.doi.org/10.1109/TMTT.2007.909889
	K. Sasagawa, Z. Yonezawa, R. Iwai, J. Ohta and M. Nunoshita, "S-band Tm3+-doped tellurite glass microsphere laser via a cascade process," Appl. Phys. Lett., vol. 85, no. 19, pp. 4325-4327, Nov. 2004. doi:http://dx.doi.org/10.1063/1.1810628
	>more

Grants

• 戦略的情報通信研究開発推進制度(SCOPE), 電波有効利用促進型研究開発,
  “並列光信号処理による高感度ミリ波電界リアルタイム撮像装置の開拓”,
  令和4年度, 研究代表者.
• 科学研究費補助金 基盤研究(B),
  “撮像面上励起光源と角度分解撮像による刺入型蛍光イメージングデバイスの高性能化”,
  令和3-6年度, 研究代表者.
• 村田学術振興財団, 研究助成,
  “高感度偏光イメージセンサを用いた超小型複屈折イメージングデバイスの開発”,
  令和3年度, 研究代表者.
• 双葉電子記念財団,
  “深層学習による広視野光分解レンズレス蛍光イメージングシステム”,
  令和2年度, 研究代表者.
• テレコム先端技術研究支援センター(SCAT), 研究費助成,
  “細胞常時モニタリング用Internet of Living Things デバイスの開拓”,
  平成30-31年度, 研究代表者．
• 立石科学技術振興財団 研究助成(A),
  “多数の細胞を長期診断するレンズレスイメージングサイトメトリの創成”,
  2019年度, 研究代表者.
• テルモ生命科学芸術財団 研究助成,
  “手のひらサイズの超小型デジタルELISAシステムの開発”,
  2019年1-12月, 研究代表者.
• Grant-in-Aid for Scientific Research B (from JSPS), "レーザー剥離加工による低侵襲かつ高感度な刺入型脳機能イメージングデバイス(#18H03519)", 2018-2020, Principal Investigator.
• Brain Science Foundation,"高感度生体刺入型蛍光イメージセンサの開発", 2018, Principal Investigator.
• Support Center for Advanced Telecommunications Technology Research, Foundation(SCAT),"細胞常時モニタリング用Internet of Living Things デバイスの開拓", 2018-2019, Principal Investigator.
• Nakatani Foundation, "超低侵襲かつ高感度な生体埋植用蛍光イメージングデバイスの開発", 2017, Principal Investigator.
• JST-CREST, "ミクロからマクロまでシームレスに細胞と会話する光技術の開発 (PI: Prof. Michiyuki Matsuda, Kyoto Univ.)", 2016-2021, Co-researcher.
• Grant-in-Aid for Scientific Research C (from JSPS), "完全埋植型脳活動計測デバイス(#15K01289)", 2015-2017, Principal Investigator.
• STARC-IS, "脳神経活動計測用高分解能・高SNR生体埋植型CMOSイメージセンサの研究", 平成25年度, Principal Investigator.
• Grant-in-Aid for Challenging Research (from JSPS), "フォトニック・システム・オン・チップ技術の開拓(#24651163)", 平成24年度-平成25年度, Principal Investigator.
• JST-CREST, "生体分子１分子デジタル計数デバイスの開発 (PI: Prof. Hiroyuki Noji, the Univ. of Tokyo)", 2010-2015, Co-researcher.
• Grant-in-Aid for Young Scientists A (from JSPS), "Real-time visualization of millimeter wave by ultra-parallel heterodyne method(#20686027)", 2008-2010.
• R&D to foster young ICT researchers, Strategic Information and Communications R&D Promotion Programme (SCOPE) (from MIC)，"Development of high frequency electric field imaging technique（Live Electrooptic imaging camera）for millimeter wave", FY2008-2010.
• Grant-in-Aid for Young Scientists B (from JSPS), "Monolithic electrooptic sensor array based on micro disk optical resonators", FY2005-2006.

Awards

• NAIST Award (Feb. 23, 2019; Nara Institute of Science and Technology)
• Poster Award (Mar. 17, 2018; Japanese Society of Applied Physics)
  
• Suzuki-memorial Prize (Aug. 25, 2011; The Institute of Image Information and Television Engineers, Japan)
  
• The Optics Paper Prize (Mar. 31, 2009; Optics Society of Japan)
  
• The 22th Lecture Encouragement Prize (Sep. 4, 2007; Japan Society of Applied Physics)
  

Contact info.

Kiyotaka Sasagawa
Division of Materials Science
Graduate School of Science and Technology, NAIST
8916-5 Takayama-cho, Ikoma, Nara, 630-0192
E-mail: sasagawa＠ms.naist.jp (Replace "＠" with regular "@")