preprint

Broadband complementary vibrational spectroscopy with cascaded intra-pulse difference frequency generation

Kazuki Hashimoto, Venkata Ramaiah Badarla, Takayuki Imamura, Takuro Ideguchi

arXiv:2109.11699

 

2021

Graphene photodetectors with asymmetric device structures on silicon chips

Kenta Shimomura, Kaname Imai, Kenta Nakagawa, Akira Kawai, Kazuki Hashimoto, Takuro Ideguchi, Hideyuki Maki

Carbon Trends 5, 100100 (2021)

Compressive dual-comb spectroscopy

Akira Kawai, Takahiro Kageyama, Ryoichi Horisaki, Takuro Ideguchi

Scientific Reports 11, 13494 (2021) 

Adaptive dynamic range shift (ADRIFT) quantitative phase imaging

Keiichiro Toda, Miu Tamamitsu, Takuro Ideguchi

Light: Science & Applications 10, 1 (2021), プレスリリース, UTokyoFOCUS

High-speed Fourier-transform infrared spectroscopy with phase-controlled delay line

Kazuki Hashimoto, Venkata Ramaiah Badarla, Takuro Ideguchi

Laser & Photonics Reviews 15, 2000374 (2021)

 

2020

Time-stretch infrared spectroscopy

Akira Kawai, Kazuki Hashimoto, Tatsuo Dougakiuchi, Venkata Ramaiah Badarla,  Takayuki Imamura, Tadataka Edamura, Takuro Ideguchi

Communications Physics 3, 152 (2020), プレスリリース, UTokyoFOCUS

A multimodal laser-scanning nonlinear optical microscope with a rapid broadband Fourier-transform coherent Raman modality

Faris Sinjab, Kazuki Hashimoto, Venktata Ramaiah Badarla, Junko Omachi, Takuro Ideguchi

Optics Express 28, 20794-20807 (2020) Image of the week in OSA publisheing

Spatiotemporal monitoring of intracellular metabolic dynamics by resonance Raman microscopy with isotope labeling

Yusuke Yonamine, Kotaro Hiramatsu, Takuro Ideguchi, Takuro Ito, Tomomi Fujiwara, Yoshiko Miura, Keisuke Goda and Yu Hoshino

RSC Adv. 10, 16679-16686 (2020)

Label-free biochemical quantitative phase imaging with mid-infrared photothermal effect

Miu Tamamitsu, Keiichiro Toda, Hiroyuki Shimada, Takaaki Honda, Masaharu Takarada, Kohki Okabe, Yu Nagashima, Ryoichi Horisaki, Takuro Ideguchi

Optica 7, 359-366 (2020), プレスリリース(東京大学), UTokyoFOCUS

Enhanced spectral resolution for broadband coherent anti-Stokes Raman spectroscopy

Faris Sinjab, Kazuki Hashimoto, Xuanqiang Zhao, Yu Nagashima, Takuro Ideguchi

Optics Letters 45, 1515-1518 (2020) Editor's pick

Bioimaging by molecular-vibration-sensitive quantitative phase microscopy based on wide-field mid-infrared photothermal excitation

Miu Tamamitsu, Keiichiro Toda, Yu Nagashima, Ryoichi Horisaki, Takuro Ideguchi

Proc. SPIE 11252, Advanced Chemical Microscopy for Life Science and Translational Medicine, 112521N (21 February 2020); https://doi.org/10.1117/12.2545728

 

2019

Complementary Vibrational Spectroscopy

Kazuki Hashimoto, Venkata Ramaiah Badarla, Akira Kawai, Takuro Ideguchi

Nature Communications 10, 4411 (2019),  プレスリリース(東京大学),  UTokyoFOCUS

Quantitative phase imaging with molecular vibrational sensitivity

Miu Tamamitsu, Keiichiro Toda, Ryoichi Horisaki and Takuro Ideguchi

Optics Letters 44, 3729-3732 (2019) Editors' Pick

Molecular contrast on phase-contrast microscope

Keiichiro Toda*, Miu Tamamitsu*, Ryoichi Horisaki and Takuro Ideguchi

Scientific Reports 9, 9957 (2019),  プレスリリース(東京大学),  UTokyo FOCUS

High‐speed broadband Fourier‐transform coherent anti‐stokes Raman scattering spectral microscopy

Ryo Kinegawa, Kotaro Hiramatsu, Kazuki Hashimoto, Venkata Ramaiah Badarla, Takuro Ideguchi, Keisuke Goda

Journal of Raman Spectroscopy 50, 1141-1146 (2019)

High-throughput label-free molecular fingerprinting flow cytometry 

Kotaro Hiramatsu*, Takuro Ideguchi*, Yusuke Yonamine, SangWook Lee, Yizhi Luo, Kazuki Hashimoto, Takuro Ito, Misa Hase, Jee-Woong Park, Yusuke Kasai, Shinya Sakuma, Takeshi Hayakawa, Fumihito Arai, Yu Hoshino and Keisuke Goda

Science Advances 5, aau0241 (2019),  プレスリリース(東京大学)

 

2018

Phase-controlled Fourier-transform spectroscopy

Kazuki Hashimoto and Takuro Ideguchi

Nature Communications 9, 4448 (2018),  プレスリリース(東京大学)

Microfluidic single-particle chemical analyzer with dual-comb coherent Raman spectroscopy

Takuro Ideguchi, Tasuku Nakamura, Shigekazu Takizawa, Miu Tamamitsu, Sangwook Lee, Kotaro Hiramatsu, Venkata Ramaiah Badarla, Jee-Woong Park, Yusuke Kasai, Takeshi Hayakawa, Shinya Sakuma, Fumihiko Arai and Keisuke Goda

Optics Letters 43, 4057-4060 (2018)  

Ultra-broadband rapid-scan Fourier-transform CARS spectroscopy with sub-10-fs optical pulses

Kazuki Hashimoto, Junko Omachi, and Takuro Ideguchi

Optics Express 26, 14307-14314 (2018) 

 

2017

Rapid-scan Fourier-transform coherent anti-Stokes Raman scattering spectroscopy with heterodyne detection

Kotaro Hiramatsu, Yizhi Luo, Takuro Ideguchi, and Keisuke Goda

Optics Letters 42, 4335-4338 (2017)

Ultrafast broadband Fourier-transform CARS spectroscopy at 50,000 spectra/s enabled by a scanning Fourier-domain delay line

Miu Tamamitsu, Yusuke Sakaki, Tasuku Nakamura, G. Krishna Podagatlapalli, Takuro Ideguchi, and Keisuke Goda

Vibrational Spectroscopy 91, 163-169 (2017)

Dual-Comb Spectroscopy

Takuro Ideguchi

Optics and Photonics News 28, 32-39 (2017)

Ultrafast broadband Fourier-transform CARS spectroscopy operating at 50,000 spectra/second

Miu Tamamitsu, Yusuke Sakaki, Tasuku Nakamura, G. Krishna Podagatlapalli, Takuro Ideguchi, Keisuke Goda

Proc. SPIE 10076, High-Speed Biomedical Imaging and Spectroscopy: Toward Big Data Instrumentation and Management II, 1007608 (February 22, 2017); doi:10.1117/12.2249726

 

2016

Kerr-lens mode-locked bidirectional dual-comb ring laser for broadband dual-comb spectroscopy

Takuro Ideguchi, Tasuku Nakamura, Yohei Kobayashi, Keisuke Goda

Optica 3, 748-753 (2016)  

Nonlinear optical interactions in silicon waveguides

B. Kuyken, F. Leo, S. Clemmen, U. Dave, R. Van Laer, T. Ideguchi, H. Zhao, X. Liu, J. Safioui, S. Coen, S.P. Gorza, S. K. Selvaraja, S. Massar, R. M. Osgood Jr., P. Verheyen, J. Van Campenhout, R. Baets, W.M. J. Green, and G. Roelkens

Nanophotonics 5, 1-16 (2016) 

Broadband coherent Raman spectroscopy running at 24,000 spectra per second

Kazuki Hashimoto, Megumi Takahashi, Takuro Ideguchi, Keisuke Goda

Scientific Reports 6, 21036 (2016),  プレスリリース(東京大学),  プレスリリース(JST)c&en

High-throughput time-stretch microscopy with morphological and chemical specificity

Cheng Lei, Masashi Ugawa, Taisuke Nozawa, Takuro Ideguchi, Dino Di Carlo, Sadao Ota, Yasuyuki Ozeki, and Keisuke Goda

Proc. SPIE 9720, High-Speed Biomedical Imaging and Spectroscopy: Toward Big Data Instrumentation and Management, 97200X (March 7, 2016); doi:10.1117/12.2212670