Takahashi Yasushi

タカハシヤスシ | Takahashi Yasushi

Affiliation and department：
Research theme for competitive and other funds (8)：

2021 - 2024 Elucidation of internal absorption loss for high-Q silicon nanocavities and the development of novel functional optical devices
2018 - 2021 Study on Raman gain induced by incoherent light in high quality photonic crystal devices
2015 - 2018 Study for the optical gain and the lasing characteristics of high-Q nanocavity-based silicon Raman laser
2015 - 2017 Integration of silicon photonic devices operating various wavelength bands
2011 - 2015 Improvements of silicon photonic crystal nanocavity and study on the enhanced nonlinear effect

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Papers (39)：

Akari Fukuda, Takashi Asano, Taro Kawakatsu, Yasushi Takahashi, Susumu Noda. Suppressing the sample-to-sample variation of photonic crystal nanocavity Q-factors by air-hole patterns with broken mirror symmetry. Optics Express. 2023. 31. 10. 15495-15513
Masanao Fujimoto, Yuki Takahashi, Kazuya Kikunaga, Yasushi Takahashi. Control of the sensitivity of the detection of ionized air using photonic crystal waveguides. OPTICS CONTINUUM. 2023. 2. 2. 349-360
Yuki Takahashi, Masanao Fujimoto, Kazuya Kikunaga, Yasushi Takahashi. Detection of ionized air using a photonic-crystal nanocavity excited by broadband light from a superluminescent diode. OPTICS EXPRESS. 2022. 30. 7. 10694-10708
Hiroko Okada, Masanao Fujimoto, Natsumi Tanaka, Yuki Saito, Takashi Asano, Susumu Noda, Yasushi Takahashi. 1.2-mu m-band ultrahigh-Q photonic crystal nanocavities and their potential for Raman silicon lasers. OPTICS EXPRESS. 2021. 29. 15. 24396-24410
Taro Kawakatsu, Takashi Asano, Susumu Noda, Yasushi Takahashi. Sub-100-nW-threshold Raman silicon laser designed by a machine-learning method that optimizes the product of the cavity Q-factors. OPTICS EXPRESS. 2021. 29. 11. 17053-17068

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Work history (8)：

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