Dual-wavelength synchronously mode-locked Tm-doped bulk laser with terahertz frequency beating

被引：6

作者：

Liu, Xinyang ^{[1
,2
]}

Li, Xiaowen ^{[3
]}

Zhao, Shengzhi ^{[1
,2
]}

Yang, Kejian ^{[4
,5
]}

Guo, Lei ^{[1
,2
,4
]}

Li, Tao ^{[1
,2
]}

Qiao, Wenchao ^{[1
,2
]}

Li, Ming ^{[1
,2
]}

Zhang, Baitao ^{[5
]}

He, Jingliang ^{[5
]}

Zheng, Lihe ^{[6
]}

Su, Liangbi ^{[6
]}

Xu, Jun ^{[7
]}

机构：

[1] Shandong Univ, Sch Informat Sci & Engn, Qingdao 266237, Shandong, Peoples R China

[2] Shandong Univ, Shandong Prov Key Lab Laser Technol & Applicat, Qingdao 266237, Shandong, Peoples R China

[3] Beihang Univ, Dept Appl Phys, Minist Educ, Key Lab Micronano Measurement Manipulat & Phys, Beijing 100191, Peoples R China

[4] Shandong Univ, Shenzhen Res Inst, Shenzhen 518057, Peoples R China

[5] Shandong Univ, Inst Crystal Mat, State Key Lab Crystal Mat, Jinan 250100, Shandong, Peoples R China

[6] Chinese Acad Sci, Shanghai Inst Ceram, Artificial Crystal Res Ctr, Key Lab Transparent & Optofunct Inorgan Mat, Shanghai 201899, Peoples R China

[7] Tongji Univ, Inst Adv Study, Sch Phys Sci & Engn, Shanghai 200092, Peoples R China

来源：

CHINESE OPTICS LETTERS | 2019年 / 17卷 / 09期

基金：

中国国家自然科学基金;

关键词：

TMYAP LASER; MU-M; OPERATION; FEMTOSECOND; GENERATION; PULSES; GROWTH;

D O I：

10.3788/COL201917.091401

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A dual-wavelength synchronously mode-locked homogeneously broadened bulk laser operating at 1985.6 and 1989 nm is presented for the first time, to the best of our knowledge, which delivers a maximum output power of 166 mW and a repetition rate of 85 MHz. The pulse duration was measured to be 16.8 ps by assuming a sech(2) pulse shape. The recorded autocorrelation trace showed frequency beating signals with an interval of 3.8 ps and a full width at half-maximum duration of 2 ps, corresponding to an ultrahigh beating frequency of about 0.26 THz, which agrees well with the frequency difference of the emitted two spectral peaks. The results indicated that such a kind of dual-wavelength mode-locked Tm:YAlO3 laser could be potentially used for generating terahertz radiations.

引用

页数：4

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