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2 results on '"Renhong Gao"'

1. Fabrication of Crystalline Microresonators of High Quality Factors with a Controllable Wedge Angle on Lithium Niobate on Insulator

Author

Jianhao Zhang, Zhiwei Fang, Jintian Lin, Junxia Zhou, Min Wang, Rongbo Wu, Renhong Gao, and Ya Cheng

Subjects
lithium niobate microdisk resonator, controllable wedge angle, high quality factors, chemo-mechanical polish, Chemistry, QD1-999
Abstract

We report the fabrication of crystalline microresonators of high quality (Q) factors with a controllable wedge angle on lithium niobate on insulator (LNOI). Our technique relies on a femtosecond laser assisted chemo-mechanical polish, which allows us to achieve ultrahigh surface smoothness as critically demanded by high Q microresonator applications. We show that by refining the polish parameters, Q factors as high as 4.7 × 107 can be obtained and the wedge angle of the LNOI can be continuously tuned from 9° to 51°.

Published
2019
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2. Fabrication of Crystalline Microresonators of High Quality Factors with a Controllable Wedge Angle on Lithium Niobate on Insulator

Author

Rongbo Wu, Jintian Lin, Renhong Gao, Zhiwei Fang, Junxia Zhou, Jianhao Zhang, Min Wang, and Ya Cheng

Subjects
Fabrication, Materials science, General Chemical Engineering, controllable wedge angle, Lithium niobate, Insulator (electricity), 02 engineering and technology, 01 natural sciences, Article, lcsh:Chemistry, 010309 optics, chemistry.chemical_compound, Quality (physics), 0103 physical sciences, high quality factors, General Materials Science, Refining (metallurgy), business.industry, Surface smoothness, 021001 nanoscience & nanotechnology, Laser assisted, optics, lithium niobate microdisk resonator, lcsh:QD1-999, chemistry, Wedge angle, Femtosecond, Optoelectronics, chemo-mechanical polish, 0210 nano-technology, business
Abstract

We report the fabrication of crystalline microresonators of high quality (Q) factors with a controllable wedge angle on lithium niobate on insulator (LNOI). Our technique relies on a femtosecond laser assisted chemo-mechanical polish, which allows us to achieve ultrahigh surface smoothness as critically demanded by high Q microresonator applications. We show that by refining the polish parameters, Q factors as high as 4.7 &times, 107 can be obtained and the wedge angle of the LNOI can be continuously tuned from 9&deg, to 51&deg

Published
2019
Full Text
View/download PDF

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