YASUI Laboratory - Terahertz Instrumentation and Biomedical Optics -

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Sep. 26, 2023	【Press release】Successful optical biosensing using dual optical combs: High sensitivity and rapid detection of biomolecules with promising prospects 【Tokushima University】
Sep. 26, 2023
May 25, 2023	【Press release】Successful terahertz wireless communication using a micro-resonator soliton comb: Expectations for next-generation mobile communications based on photonic technology 【Tokushima University】
May 25, 2023
Jan. 1, 2021	【Press release】Fluorescence Dual-comb Microscopy publised in Science Advances 【Manga of principle】【Tokushima University】【News】【Blogs】【Twitter】
Jan. 1, 2021
Nov. 1, 2020	Positions of postdoctroral researchers are available (Deadline: Jan. 8, 2021). JREC-IN is here.
May 27, 2020	【Press release】Adaptive sampling dual-THz-comb spectrsocopy in single-cavity dual-comb fiber laser published in Advanced Photonics 【Tokushima University 】【SPIE NEWS】【AP Publication Highlights】【Cover image】
May 19, 2018	【Press release】Dual-comb Microscopy publised in Optica
Sep. 20, 2017	【Press release】Dual-comb spectroscopic ellipsometry publised in Nature Communications

Recent Publication

	Shimpei Kajiwara, Tomoya Okabe, So Bekku, Shota Nakano, Keishiro Ootani, Eiji Hase, Ryo Mitsumoto, Kazumichi Yoshii, Takeshi Yasui, and Takeo Minamikawa, "Scanning dual-comb spectroscopic microscopy for multidimensional optical information acquisition," Opt. Express, Vol. 33, Issue 1, 921-932 (2025).
	Book Takeshi Yasui, Eiji Hase, Katsuhiko Mizuno, Takeo Minamikawa and Hirotsugu Yamamoto, "Chapter 12: Dual-comb microscopy," in Optical Frequency Combs ~Trends in Sources and Applications~ (Edited by Auro Michele Perego and Andrew Ellis, CRC Press, 2024).
	Masayuki Higaki, Shogo Miyamura, Shuji Taue, Yoshiaki Nakajima, Yu Tokizane, Eiji Hase, Takeo Minamikawa, and Takeshi Yasui, "Enhanced sensitivity of refractive-index-sensing optical frequency comb using frequency multiplication capability of photocarrier terahertz frequency comb for rapid measurement," Opt. Express 32(27), 49164-49175 (2024).
	Shimpei Kajiwara, Eiji Hase, Shota Nakano, Keishiro Ootani, Tomoya Okabe, Hidenori Koresawa, Akifumi Asahara, Kazumichi Yoshii, Hirotsugu Yamamoto, Kaoru Minoshima, Takeshi Yasui, and Takeo Minamikawa, "Laser-scanning optical-frequency-comb microscopy for multimodal imaging," Jpn. J. Appl. Phys., Vol. 63, No. 12, art. 122001 (2024).
	Takahiko Mizuno, Takuya Tsuda, Eiji Hase, Hirotsugu Yamamoto, Takeo Minamikawa, and Takeshi Yasui, "Coherent linking between confocal amplitude image and confocal phase image in dual-comb microscopy," Scientific Reports volume 14, art. 25649 (2024).
	Emmanuel Abraham, Eiji Hase, Jérôme Degert, Eric Freysz, and Takeshi Yasui, "Frequency-resolved measurement of two-color air plasma terahertz emission," J. Eur. Opt. Soc. 20, art. 39 (2024).
	Review Paper Yudai Matsumura, Yu Tokizane, Eiji Hase, Naoya Kuse, Takeo Minamikawa, Junichi Fujikata, Hiroki Kishikawa, Masanobu Haraguchi, Yasuhiro Okamura, Takahiro Kaji, Akira Otomo, Isao Morohashi, Atsushi Kanno, Shintaro Hisatake, and Takeshi Yasui, "Next-generation mobile communication leveraging cutting-edge photonic technologies (Photonic 6G), ~Photonic THz detection based on carrier conversion from terahertz wave to dual-wavelength near-infrared light injection-locked to optical frequency comb via electro-optic polymer modulator~," The Project Repository Journal, Vol. 21, 26-31 (2023).
	Haruki Anzai, Shota Inoue , Yu Tokizane, Hiroko Yoshida, Takeshi Yasui, Fusao Shimokawa , and Noriaki Tsurumachi, "Triple-coupled normal mode splitting in Fabry-Pérot microcavity contained rectangular hole magnetic metamaterials in THz region," Photonics and Nanostructures - Fundamentals and Applications, Vol. 62, art. 101313 (2024).
	S. Miyamura, M. Higaki, S. Taue, Y. Nakajima, Y. Tokizane, E. Hase, T. Minamikawa, and T.Yasui　　"Reduction of temperature drift in refractive-index-sensing optical frequency comb by active-dummy compensation of dual-comb configuration," J. Lightwave Technol., Vol. 42, Issue 18, pp. 6387-6394 (2024).(*: Co-first authors).
	Yu Tokizane, Ayato Takashima, Eiji Hase, and Takeshi Yasui, “Dual-wavelength spiral interferometry,” Opt. Lett. Vol. 49, Issue 12, pp. 3516-3519 (2024).
	Yu Tokizane, Shota Okada, Takumi Kikuhara, Hiroki Kishikawa, Yasuhiro Okamura, Yoshihiro Makimoto, Kenji Nishimoto, Takeo Minamikawa, Eiji Hase, Jun-Ichi Fujikata, Masanobu Haraguchi, Atsushi Kanno, Shintaro Hisatake, Naoya Kuse, and Takeshi Yasui, "Wireless data transmission in the 560-GHz band utilizing terahertz wave generated through photomixing of a pair of distributed feedback lasers injection-locking to a Kerr micro-resonator soliton comb," Opt. Continuum, Vol. 3, Issue 1, pp. 1-8 (2024).
	Katsuya Sato, Takeo Minamikawa, and Takeshi Yasui, "Raman spectroscopic evaluation of composition of matrix synthesized by osteoblasts under microvibration stimulation," Adv. Biomed. Engg., Vol. 13, 11-18 (2024).

Recent Presentation Movie

Conference on Lasers and Electro-Optics (CLEO) 2024 (May 5-10, 2024/Charlotte, USA)

【SM1G.6】M. Higaki et al.,"Enhanced Sensitivity of Refractive-Index-Sensing Optical Comb by Frequency Multiplication based on THz Comb"

【SM1G.7】H. Koresawa et al.,"EJones-Matrix Dual-Comb Spectroscopic Polarimetry

Photonics and Electromagnetics Research Symposium (PIERS2023)(July 3-6, 2023/Prague, Czech Republic).

【1A4】 S. Okada et al., "Generation of terahertz wave at 560 GHz based on photomixing of 560-GHz-spacing soliton microcomb with UTC-PD"

【1P4a】Y. Matsumura et al.,"Dual-wvelength, low-phase-noise, optical carrier for terahertz-to-optical carrier conversion with electro-optic polymer modulator"

Upcoming Presentation

Photonics West 2025 (Jan. 25-30, 2025/San Francisco, USA)

【BiOS2025: 13321-44】N. Okubo et al., "Development of multimodal SHG, TPEF, and Brillouin scattering microscopy for analyzing skin micromechanics"
【OPTO2025: 13365-31】 T. Kikuhara et al.., "560 GHz-band terahertz wireless communication based on sub-harmonic-mixing heterodyne detection of micro-comb-generated terahertz wave"

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