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arXiv · 1807.06195

Stimulated excitation of an optical cavity by a multi-bunch electron beam via coherent diffraction radiation process

Yosuke Honda·Miho Shimada·Alexander Aryshev·Ryukou Kato·Tsukasa Miyajima·Takashi Obina·Ryota Takai·Takashi Uchiyama·Naoto Yamamoto
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Abstract

With a low emittance and short-bunch electron beam at a high repetition rate realized by a superconducting linac, stimulated excitation of an optical cavity at the terahertz spectrum range has been shown. The electron beam passed through small holes in the cavity mirrors without being destroyed. A sharp resonance structure which indicated wide-band stimulated emission via coherent diffraction radiation was observed while scanning the round-trip length of the cavity.

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Yosuke Honda, Miho Shimada, Alexander Aryshev, Ryukou Kato, Tsukasa Miyajima, Takashi Obina, Ryota Takai, Takashi Uchiyama, Naoto Yamamoto. 2018-07-17. Stimulated excitation of an optical cavity by a multi-bunch electron beam via coherent diffraction radiation process. https://doi.org/10.1103/physrevlett.121.184801

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