Frequency difference thermally and electrically tunable dual-frequency Nd:YAG/LiTaO3 microchip laser

Kun Gui; Zilong Zhang; Yuxiao Xing; Haiyang Zhang; Changming Zhao

doi:10.3390/app9101969

Frequency difference thermally and electrically tunable dual-frequency Nd:YAG/LiTaO₃ microchip laser

Kun Gui, Zilong Zhang^*, Yuxiao Xing, Haiyang Zhang, Changming Zhao

^*此作品的通讯作者

光电学院

Beijing Institute of Technology

科研成果: 期刊稿件 › 文章 › 同行评审

7 引用（Scopus）

摘要

This study presents a dual-frequency microchip laser with a thermo-optically and electro-optically tuned frequency difference. The dual-frequency microchip cavity is formed by bonding a Lithium tantalite (LiTaO₃, LTO) crystal chip and a neodymium-doped yttrium aluminum garnet (Nd:YAG) crystal chip. A single longitudinal mode is generated by the Nd:YAG crystal and split into two frequencies with perpendicular polarizations due to birefringent effect in the LTO chip. Furthermore, continuous beat frequency tuning at different scales is realized by adjusting the temperature and voltage applied to the LTO crystal. A maximum beat frequency of up to 27 GHz is obtained, and the frequency difference lock-in phenomenon is observed below the frequency difference of 405 MHz.

源语言	英语
文章编号	1969
期刊	Applied Sciences (Switzerland)
卷	9
期	10
DOI	https://doi.org/10.3390/app9101969
出版状态	已出版 - 1 5月 2019

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title = "Frequency difference thermally and electrically tunable dual-frequency Nd:YAG/LiTaO3 microchip laser",

abstract = "This study presents a dual-frequency microchip laser with a thermo-optically and electro-optically tuned frequency difference. The dual-frequency microchip cavity is formed by bonding a Lithium tantalite (LiTaO3, LTO) crystal chip and a neodymium-doped yttrium aluminum garnet (Nd:YAG) crystal chip. A single longitudinal mode is generated by the Nd:YAG crystal and split into two frequencies with perpendicular polarizations due to birefringent effect in the LTO chip. Furthermore, continuous beat frequency tuning at different scales is realized by adjusting the temperature and voltage applied to the LTO crystal. A maximum beat frequency of up to 27 GHz is obtained, and the frequency difference lock-in phenomenon is observed below the frequency difference of 405 MHz.",

keywords = "Electro-optic effect, Microchip laser, Microwave photonics, Thermo-optic effect, Tunable dual frequency",

author = "Kun Gui and Zilong Zhang and Yuxiao Xing and Haiyang Zhang and Changming Zhao",

note = "Publisher Copyright: {\textcopyright} 2019 by the authors.",

year = "2019",

month = may,

day = "1",

doi = "10.3390/app9101969",

language = "English",

volume = "9",

journal = "Applied Sciences (Switzerland)",

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T1 - Frequency difference thermally and electrically tunable dual-frequency Nd:YAG/LiTaO3 microchip laser

AU - Gui, Kun

AU - Zhang, Zilong

AU - Xing, Yuxiao

AU - Zhang, Haiyang

AU - Zhao, Changming

PY - 2019/5/1

Y1 - 2019/5/1

N2 - This study presents a dual-frequency microchip laser with a thermo-optically and electro-optically tuned frequency difference. The dual-frequency microchip cavity is formed by bonding a Lithium tantalite (LiTaO3, LTO) crystal chip and a neodymium-doped yttrium aluminum garnet (Nd:YAG) crystal chip. A single longitudinal mode is generated by the Nd:YAG crystal and split into two frequencies with perpendicular polarizations due to birefringent effect in the LTO chip. Furthermore, continuous beat frequency tuning at different scales is realized by adjusting the temperature and voltage applied to the LTO crystal. A maximum beat frequency of up to 27 GHz is obtained, and the frequency difference lock-in phenomenon is observed below the frequency difference of 405 MHz.

AB - This study presents a dual-frequency microchip laser with a thermo-optically and electro-optically tuned frequency difference. The dual-frequency microchip cavity is formed by bonding a Lithium tantalite (LiTaO3, LTO) crystal chip and a neodymium-doped yttrium aluminum garnet (Nd:YAG) crystal chip. A single longitudinal mode is generated by the Nd:YAG crystal and split into two frequencies with perpendicular polarizations due to birefringent effect in the LTO chip. Furthermore, continuous beat frequency tuning at different scales is realized by adjusting the temperature and voltage applied to the LTO crystal. A maximum beat frequency of up to 27 GHz is obtained, and the frequency difference lock-in phenomenon is observed below the frequency difference of 405 MHz.

KW - Electro-optic effect

KW - Microchip laser

KW - Microwave photonics

KW - Thermo-optic effect

KW - Tunable dual frequency

UR - http://www.scopus.com/inward/record.url?scp=85066470291&partnerID=8YFLogxK

U2 - 10.3390/app9101969

DO - 10.3390/app9101969

M3 - Article

AN - SCOPUS:85066470291

SN - 2076-3417

VL - 9

JO - Applied Sciences (Switzerland)

JF - Applied Sciences (Switzerland)

IS - 10

M1 - 1969

ER -

Frequency difference thermally and electrically tunable dual-frequency Nd:YAG/LiTaO3 microchip laser

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Frequency difference thermally and electrically tunable dual-frequency Nd:YAG/LiTaO₃ microchip laser