Fabrication of a microresonator-fiber assembly maintaining a high-quality factor by CO2 laser welding

Zhiwei Fang, Jintian Lin, Min Wang, Zhengming Liu, Jinping Yao, Lingling Qiao, Ya Cheng

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

Abstract

We demonstrate fabrication of a microtoroid resonator of a high-quality (high-Q) factor using femtosecond laser three-dimensional (3D) micromachining. A fiber taper is reliably assembled to the microtoroid using CO2 laser welding. Specifically, we achieve a high-Q-factor of 2.12 × 106 in the microresonator-fiber assembly by optimizing the contact position between the fiber taper and the microtoroid.

Original languageEnglish
Pages (from-to)27941-27946
Number of pages6
JournalOptics Express
Volume23
Issue number21
DOIs
StatePublished - 19 Oct 2015
Externally publishedYes

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