Информация о цитировании статьи получена из
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Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 3 февраля 2019 г.
Аннотация:Optical whispering gallery mode (WGM) resonators allow combination of small mode volume with high 𝑄-factor. Silicon is a major material for modern microelectronics and photonics. However, relatively low 𝑄-factors of optical Si microresonators demonstrated so far have limited some promising applications. We report what we believe is first time measurement of a 𝑄-factor of 1.2×109 in millimeter scale crystalline silicon optical resonators at 1550 nm wavelength. A novel silicon hemispherical coupler allowed us to reach up to 35% of coupling efficiency.