Dr. Motonobu Kourogi Profile

Dr. Motonobu Kourogi

President & CTO at Optical Comb Inc

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Publications (10)

Proceedings Article | 18 February 2008 Paper

Programmable high speed (~1MHz) Vernier-mode-locked frequency-swept laser for OCT imaging

M. Kourogi, Y. Kawamura, Y. Yasuno, H. Oyaizu, H. Miyao, K. Imai

Proceedings Volume 6847, 68470Z (2008) https://doi.org/10.1117/12.765364

KEYWORDS: Optical coherence tomography, Optical filters, In vivo imaging, Mirrors, Mode locking, Modulation, Point spread functions, Laser sources, Laser optics, Fabry–Perot interferometers

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Proceedings Article | 3 May 2001 Paper

Past, present, and future of optical comb generation

Motonobu Kourogi, Motoichi Ohtsu

Proceedings Volume 4269, (2001) https://doi.org/10.1117/12.424487

KEYWORDS: Modulation, Mode locking, Optical fibers, Terahertz radiation, Modulators, Signal to noise ratio, Second-harmonic generation, Dispersion, Frequency combs, Scanning probe microscopy

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Proceedings Article | 22 September 1999 Paper

Subwavelength-sized phase-change recording with a silicon planar apertured probe

Takashi Yatsui, Motonobu Kourogi, Kazuo Tsutsui, Junichi Takahashi, Motoichi Ohtsu

Proceedings Volume 3791, (1999) https://doi.org/10.1117/12.363844

KEYWORDS: Near field optics, Silicon, Glasses, Semiconducting wafers, Optical storage, Near field, Oxides, Optical arrays, Etching, Data transmission

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Proceedings Article | 22 September 1999 Paper

Photochemical vapor deposition by optical near field

Yoh Yamamoto, Vitali Polonski, Geun Lee, Motonobu Kourogi, Motoichi Ohtsu

Proceedings Volume 3791, (1999) https://doi.org/10.1117/12.363849

KEYWORDS: Near field optics, Zinc, Nanolithography, Optical fibers, Fabrication, Nanophotonics, Near field, Ultraviolet radiation, Metals, Control systems

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Proceedings Article | 22 September 1999 Paper

Fabrication of ZnO nanostructure using near-field optical technology

Geun Lee, Yoh Yamamoto, Motonobu Kourogi, Motoichi Ohtsu

Proceedings Volume 3791, (1999) https://doi.org/10.1117/12.363850

KEYWORDS: Zinc oxide, Near field optics, Nanolithography, Nanostructures, Ultraviolet radiation, Near field, Light sources, Crystals, Transmittance, Optical fibers

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Proceedings Article | 22 September 1999 Paper

Phase-change recording/readout with a high-throughput fiber probe

Motonobu Kourogi, Takashi Yatsui, Motoichi Ohtsu

Proceedings Volume 3791, (1999) https://doi.org/10.1117/12.363843

KEYWORDS: Near field optics, Semiconductor lasers, Near field, Light wave propagation, Laser beam propagation, Sensors, Optical recording, Optical fibers, Solids, Light sources

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Proceedings Article | 13 October 1998 Paper

Enhancing throughput over 100 times by a triple-tapered structure for a near-field optical fiber probe

Takashi Yatsui, Motonobu Kourogi, Kazuo Tsutsui, Motoichi Ohtsu

Proceedings Volume 3467, (1998) https://doi.org/10.1117/12.326807

KEYWORDS: Near field optics, Wet etching, Near field, Optical fibers, Ion beams, Metals, Cladding, Near field scanning optical microscopy, Imaging spectroscopy, Fiber coupled lasers

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Proceedings Article | 13 October 1998 Paper

Near-field planar apertured probe array for optical near-field memory

Motonobu Kourogi, Takashi Yatsui, Shigeru Ishimura, M. Lee, Nobufumi Atoda, Kazuo Tsutsui, Motoichi Ohtsu

Proceedings Volume 3467, (1998) https://doi.org/10.1117/12.326827

KEYWORDS: Near field, Silicon, Near field optics, Semiconducting wafers, Spherical lenses, Oxides, Optical storage, Wet etching, Glasses, Data storage

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Proceedings Article | 26 April 1995 Paper

Waveguide-type optical frequency comb generator

Takanori Saitoh, E. Durand, Motonobu Kourogi, Motoichi Ohtsu

Proceedings Volume 2378, (1995) https://doi.org/10.1117/12.208234

KEYWORDS: Modulation, Waveguides, Frequency combs, Heterodyning, Signal detection, Phase shift keying, Modulators, Microwave radiation, Optical resonators, Terahertz radiation

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Proceedings Article | 30 April 1993 Paper

Highly accurate frequency counting system for 1.5 um wavelength semiconductor lasers

Motonobu Kourogi, Kenichi Nakagawa, Motoichi Ohtsu

Proceedings Volume 1837, (1993) https://doi.org/10.1117/12.143676

KEYWORDS: Signal to noise ratio, Fabry–Perot interferometers, Semiconductor lasers, Crystals, Modulation, Optical testing, Mode locking, Modulators, Heterodyning, Spectrum analysis

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Showing 5 of 10 publications

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