Design of X-Cut and Z-Cut Lithium Niobate Whispering-Gallery-Mode Disk-Resonators With High Quality Factors

Design of X-Cut and Z-Cut Lithium Niobate Whispering-Gallery-Mode Disk-Resonators With High Quality Factors

We demonstrate the fabrication process of millimeter-size lithium niobate (LiNbO<inline-formula> <tex-math notation="LaTeX">$_3$</tex-math></inline-formula>) whispering-gallery-mode (WGM) disk-resonators. We fabricate both <inline-formula><tex-math notation...

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Bibliographic Details
Main Authors: Yu Pan, Guoping Lin, Souleymane Diallo, Xianmin Zhang, Yanne K. Chembo
Format: Article
Language:English
Published: IEEE 2017-01-01
Series:IEEE Photonics Journal
Subjects:
Disk-resonator
lithium niobate
high-<named-content xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" content-type="math" xlink:type="simple"> <inline-formula> <tex-math notation="LaTeX">$Q$</tex-math> </inline-formula> </named-content> factors
whispering-gallery-mode
Online Access:https://ieeexplore.ieee.org/document/7990496/
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Summary:We demonstrate the fabrication process of millimeter-size lithium niobate (LiNbO<inline-formula> <tex-math notation="LaTeX">$_3$</tex-math></inline-formula>) whispering-gallery-mode (WGM) disk-resonators. We fabricate both <inline-formula><tex-math notation="LaTeX">$x$</tex-math></inline-formula>- and <inline-formula> <tex-math notation="LaTeX">$z$</tex-math></inline-formula>-cut disk-resonators, starting from commercially available LiNbO<inline-formula><tex-math notation="LaTeX">$_3$</tex-math></inline-formula> disks with diameters of 12&#x00A0;mm and thicknesses of 1&#x00A0;mm. We characterize these two WGM resonators using a prism coupling configuration. We find that both resonators feature high loaded quality factors, in both cases higher than <inline-formula> <tex-math notation="LaTeX">$10^7$</tex-math></inline-formula> at 1550&#x00A0;nm. We also investigate the polarization and thermal effects in these disk-resonators. The design of high-<inline-formula><tex-math notation="LaTeX">$Q$</tex-math> </inline-formula> LiNbO<inline-formula><tex-math notation="LaTeX">$_3$</tex-math></inline-formula> disk-resonators with different orientations using the same platform will allow for a wide variety of potential applications in nonlinear and quantum photonics.
ISSN:1943-0655

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