Zobrazeno 1 - 10
of 1 041
pro vyhledávání: '"Shimura Tsutomu"'
Publikováno v:
Nanophotonics, Vol 10, Iss 18, Pp 4601-4609 (2021)
Shaping the emission pattern of second harmonic (SH) generation from plasmonic nanoparticles is important for practical applications in nonlinear nanophotonics but is rendered challenging by the complex second-order nonlinear-optical processes. Here,
Externí odkaz:
https://doaj.org/article/cd71778eaf0745ed9f4f1619d31a132b
Publikováno v:
EPJ Web of Conferences, Vol 205, p 02024 (2019)
We demonstrate high harmonic generation (HHG) into deep-UV range in a ZnO single crystal with resonant nanoantennas. Non-perturbative HHG is successfully induced by optical excitation of as low as 20 GW/cm2. The spectral selection rule is found to re
Externí odkaz:
https://doaj.org/article/50691cf5edb94f38b125a88e67a6b5d2
Helical dichroism (HD), originating from the interplay between chiral plasmonic structures and left and right vortex light carrying orbital angular momentum (OAM), has attracted significant attention across various disciplines owing to its implicatio
Externí odkaz:
http://arxiv.org/abs/2211.03422
Autor:
Suzuki, Tomoya, Tetsuka, Ryoya, Iwasaki, Atsuya, Shimura, Tsutomu, Hirayama, Ryoichi, Nakamura, Asako J
Publikováno v:
In Advances in Redox Research December 2024 13
Autor:
Zhou, Guanyu1 (AUTHOR) d223678@hiroshima-u.ac.jp, Shimura, Tsutomu2 (AUTHOR), Yoneima, Taiki3 (AUTHOR), Nagamachi, Akiko4 (AUTHOR), Kanai, Akinori5 (AUTHOR), Doi, Kazutaka6 (AUTHOR), Sasatani, Megumi1 (AUTHOR) mtoyosh@hiroshima-u.ac.jp
Publikováno v:
International Journal of Molecular Sciences. Sep2024, Vol. 25 Issue 18, p10213. 16p.
Publikováno v:
Phys. Rev. B 101, 184407 (2020)
We observed spin-wave transmission through an air gap that works as a prohibited region. The spin waves were excited by circularly polarized pump pulses via the inverse Faraday effect, and their spatial propagation was detected through the Faraday ef
Externí odkaz:
http://arxiv.org/abs/2005.02559
Akademický článek
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Autor:
Imasaka, Kotaro, Pisarev, Roman V., Bezmaternykh, Leonard N., Shimura, Tsutomu, Kalashnikova, Alexandra M., Satoh, Takuya
Publikováno v:
Phys. Rev. B 98, 054303 (2018)
Excitation of four coherent phonon modes of different symmetries has been realized in copper metaborate CuB$_2$O$_4$ via impulsive stimulated Raman scattering (ISRS). Phonons were detected by monitoring changes in the linear optical birefringence usi
Externí odkaz:
http://arxiv.org/abs/1804.06509
Publikováno v:
EPL (Europhysics Letters), 117, 67001 (2017)
Unidirectional control of optically induced spin waves in a rare-earth iron garnet crystal is demonstrated. We observed the interference of two spin-wave packets with different initial phases generated by circularly polarized light pulses. This inter
Externí odkaz:
http://arxiv.org/abs/1705.03349
Autor:
Tzschaschel, Christian, Otani, Kensuke, Iida, Ryugo, Shimura, Tsutomu, Ueda, Hiroaki, Günther, Stefan, Fiebig, Manfred, Satoh, Takuya
Publikováno v:
Phys. Rev. B 95, 174407 (2017)
In experiment and theory, we resolve the mechanism of ultrafast optical magnon excitation in antiferromagnetic NiO. We employ time-resolved optical two-color pump-probe measurements to study the coherent non-thermal spin dynamics. Optical pumping and
Externí odkaz:
http://arxiv.org/abs/1702.05666