Mr. Kenshiro Nagasaka Profile

Kenshiro Nagasaka

at Toyota Technological Institute

SPIE Involvement:

Author

Publications (10)

Proceedings Article | 22 February 2018 Paper

Mid-infrared frequency conversion via normal dispersion modulation instability in chalcogenide fibers

Lai Liu, Kenshiro Nagasaka, Takenobu Suzuki, Yasutake Ohishi

Proceedings Volume 10528, 105281S (2018) https://doi.org/10.1117/12.2289640

KEYWORDS: Dispersion, Chalcogenides, Mid-IR, Frequency conversion, Optical fibers

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Proceedings Article | 22 February 2018 Paper

Far-detuned four-wave mixing for mid-infrared wavelength conversion in chalcogenide As2S5 suspended core fiber

Kenshiro Nagasaka, H. Tuan Tong, Hoa Phuoc Trung Nguyen, Takenobu Suzuki, Yasutake Ohishi

Proceedings Volume 10528, 105281M (2018) https://doi.org/10.1117/12.2288064

KEYWORDS: Chalcogenides, Dispersion, Mid-IR, Optical parametric oscillators, Refractive index, Four wave mixing, Quantum cascade lasers, Terahertz radiation, Bridges, Raman spectroscopy

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Proceedings Article | 20 February 2017 Presentation + Paper

Experimental investigation of mid-infrared supercontinuum generation in chalcogenide step-index optical fibers

Tonglei Cheng, Dinghuan Deng, Kenshiro Nagasaka, Tong Hoang Tuan, Morio Matsumoto, Hiroshige Tezuka, Takenobu Suzuki, Yasutake Ohishi

Proceedings Volume 10088, 100880B (2017) https://doi.org/10.1117/12.2255680

KEYWORDS: Optical fibers, Chalcogenides, Mid-IR, Supercontinuum generation, Difference frequency generation, Biosensing, Medical imaging, Step index fibers, Selenium, Absorption, Cladding, Optical filters, Solitons

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Proceedings Article | 16 February 2017 Paper

Mid-infrared supercontinuum generation in chalcogenide multi-step index fibers with normal chromatic dispersion

K. Nagasaka, Hoang Tuan Tong, Lai Liu, Morio Matsumoto, Hiroshige Tezuka, Takenobu Suzuki, Yasutake Ohishi

Proceedings Volume 10100, 1010021 (2017) https://doi.org/10.1117/12.2251984

KEYWORDS: Mid-IR, Chalcogenides, Dispersion, Supercontinuum generation, Optical fibers, Selenium, Medium wave, Glasses

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Proceedings Article | 16 February 2017 Paper

Highly nonlinear chalcogenide hybrid microstructured optical fibers with buffer layer and their potential performance of supercontinuum generation

Hoang Tuan Tong, Kenshiro Nagasaka, Trung Hoa Nguyen Phuoc, Takenobu Suzuki, Yasutake Ohishi

Proceedings Volume 10100, 101001N (2017) https://doi.org/10.1117/12.2251974

KEYWORDS: Dispersion, Chalcogenides, Structured optical fibers, Nonlinear optics, Supercontinuum generation, Refractive index, Chalcogenide glass, Picosecond phenomena

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Proceedings Article | 16 February 2017 Paper

Mid-infrared rogue wave generation in chalcogenide fibers

Lai Liu, Kenshiro Nagasaka, Takenobu Suzuki, Yasutake Ohishi

Proceedings Volume 10100, 1010020 (2017) https://doi.org/10.1117/12.2251950

KEYWORDS: Optical fibers, Chalcogenides, Mid-IR, Supercontinuum generation, Probability theory, Physics, Nonlinear optics, Wave propagation, Solitons, Dispersion, Picosecond phenomena, Pulsed laser operation, Optical simulations, Raman spectroscopy

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Proceedings Article | 24 February 2016 Paper

Highly nonlinear chalcogenide optical fibers with flattened chromatic dispersion invariant to the core fluctuation and their performances of parametric amplification

Hoang Tuan Tong, Kenshiro Nagasaka, Takenobu Suzuki, Yasutake Ohishi

Proceedings Volume 9744, 97440Q (2016) https://doi.org/10.1117/12.2212087

KEYWORDS: Optical fibers, Dispersion, Nonlinear optics, Chalcogenides, Cladding, Fiber amplifiers, Optical design, Waveguides, Step index fibers, Refractive index, Structured optical fibers, Glasses

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Proceedings Article | 24 February 2016 Paper

Coherent mid-infrared supercontinuum generation in all-solid chalcogenide microstructured fibers with all-normal dispersion

Lai Liu, Tonglei Cheng, Kenshiro Nagasaka, Hoang Tuan Tong, Takenobu Suzuki, Yasutake Ohishi

Proceedings Volume 9744, 974414 (2016) https://doi.org/10.1117/12.2217569

KEYWORDS: Scanning probe microscopy, Pulsed laser operation, Fiber lasers

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Proceedings Article | 16 March 2015 Paper

Chalcogenide amorphous nanoparticles doped poly (methyl methacrylate) with high nonlinearity for optical waveguide

Xiaojie Xue, Kenshiro Nagasaka, Tonglei Cheng, Dinghuan Deng, Lei Zhang, Lai Liu, Takenobu Suzuki, Yasutake Ohishi

Proceedings Volume 9359, 935921 (2015) https://doi.org/10.1117/12.2081186

KEYWORDS: Polymethylmethacrylate, Nanoparticles, Waveguides, Composites, Glasses, Refractive index, Polymers, Absorption, Arsenic, Chalcogenides

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Proceedings Article | 11 March 2013 Paper

A novel tellurite-phosphate glass for hybrid microstructured optical fibers

Zhongchao Duan, Hoang Tuan Tong, Meisong Liao, Koji Asano, Motillon Erwan, Daisuke Sega, Yasuhiro Kano, Kenshiro Nagasaka, Takenobu Suzuki , Yasutake Ohishi

Proceedings Volume 8621, 86211E (2013) https://doi.org/10.1117/12.2003647

KEYWORDS: Glasses, Zinc oxide, Refractive index, Raman spectroscopy, Dispersion, Optical fibers, Structured optical fibers, Cladding, Oxygen, Crystals

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Showing 5 of 10 publications

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