|
ИСТИНА |
Войти в систему Регистрация |
ИПМех РАН |
||
Experimental observation of above billion quality factor in silicon crystalline optical whispering gallery mode resonatorsстатья
- Авторы: Bilenko Igor A., Shitikov Artem, Lobanov Valery, Kondratiev Nikita, Voloshin Andrey, Gorodetsky Michael
- Сборник: Laser Resonators, Microresonators, and Beam Control XXI
- Год издания: 2019
- Место издания: SPIE
- DOI: 10.1117/12.2508783
- Аннотация: Silicon is a widely used material in modern microelectronics and photonics. Extremely low optical losses in near and mid-IR wavelengths made it a promising material for whispering gallery mode (WGM) optical micro-resonators. But, till now its potential was not fully utilized because of the best-obtained quality factor - about 2 x 10^7 - remained orders of magnitude below the material absorption limit. In this work we experimentally demonstrated a quality factor above 10^9 for the WGM in millimetres size crystalline silicon resonators. Materials with different residual conductivity were compared. Application of original semi-spherical silicon coupler allowed to obtain up to 35% resonance peaks contrast.
- Добавил в систему: Шитиков Артем Евгеньевич