SESAM Mode-Locked Yb:Ca<sub>3</sub>Gd<sub>2</sub>(BO<sub>3</sub>)<sub>4</sub> Femtosecond Laser

We report on the first passively mode-locked femtosecond-laser operation of a disordered Yb:Ca<sub>3</sub>Gd<sub>2</sub>(BO<sub>3</sub>)<sub>4</sub> crystal using a SEmiconductor Saturable Absorber Mirror (SESAM). Pumping with a single-transverse mode...

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Main Authors: Huang-Jun Zeng, Zhang-Lang Lin, Wen-Ze Xue, Ge Zhang, Zhongben Pan, Haifeng Lin, Pavel Loiko, Xavier Mateos, Valentin Petrov, Li Wang, Weidong Chen
Format: Article
Language:English
Published: MDPI AG 2021-10-01
Series:Applied Sciences
Subjects:
Online Access:https://www.mdpi.com/2076-3417/11/20/9464
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author Huang-Jun Zeng
Zhang-Lang Lin
Wen-Ze Xue
Ge Zhang
Zhongben Pan
Haifeng Lin
Pavel Loiko
Xavier Mateos
Valentin Petrov
Li Wang
Weidong Chen
author_facet Huang-Jun Zeng
Zhang-Lang Lin
Wen-Ze Xue
Ge Zhang
Zhongben Pan
Haifeng Lin
Pavel Loiko
Xavier Mateos
Valentin Petrov
Li Wang
Weidong Chen
author_sort Huang-Jun Zeng
collection DOAJ
description We report on the first passively mode-locked femtosecond-laser operation of a disordered Yb:Ca<sub>3</sub>Gd<sub>2</sub>(BO<sub>3</sub>)<sub>4</sub> crystal using a SEmiconductor Saturable Absorber Mirror (SESAM). Pumping with a single-transverse mode fiber-coupled laser diode at 976 nm, nearly Fourier-transform-limited pulses as short as 96 fs are generated at 1045 nm with an average output power of 205 mW and a pulse repetition rate of ~67.3 MHz. In the continuous-wave regime, high slope efficiency up to 59.2% and low laser thresholds down to 25 mW are obtained. Continuous wavelength tuning between 1006–1074 nm (a tuning range of 68 nm) is demonstrated. Yb:Ca<sub>3</sub>Gd<sub>2</sub>(BO<sub>3</sub>)<sub>4</sub> crystals are promising for the development of ultrafast lasers at ~1 μm.
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spelling doaj.art-30e9cc062a7d46d0b92dc8a852780a4b2023-11-22T17:19:04ZengMDPI AGApplied Sciences2076-34172021-10-011120946410.3390/app11209464SESAM Mode-Locked Yb:Ca<sub>3</sub>Gd<sub>2</sub>(BO<sub>3</sub>)<sub>4</sub> Femtosecond LaserHuang-Jun Zeng0Zhang-Lang Lin1Wen-Ze Xue2Ge Zhang3Zhongben Pan4Haifeng Lin5Pavel Loiko6Xavier Mateos7Valentin Petrov8Li Wang9Weidong Chen10College of Chemistry, Fuzhou University, Fuzhou 350002, ChinaFujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, ChinaFujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, ChinaFujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, ChinaInstitute of Chemical Materials, China Academy of Engineering Physics, Mianyang 621900, ChinaCollege of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518118, ChinaCentre de Recherche sur les Ions, les Matériaux et la Photonique (CIMAP), UMR 6252 CEA-CNRS-ENSICAEN, Université de Caen Normandie, 6 Boulevard Maréchal Juin, CEDEX 4, 14050 Caen, FranceFísica i Cristal·lografia de Materials i Nanomaterials (FiCMA-FiCNA), Universitat Rovira i Virgili (URV), Marcel.li Domingo 1, 43007 Tarragona, SpainMax Born Institute for Nonlinear Optics and Short Pulse Spectroscopy, Max-Born-Str. 2a, 12489 Berlin, GermanyMax Born Institute for Nonlinear Optics and Short Pulse Spectroscopy, Max-Born-Str. 2a, 12489 Berlin, GermanyFujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, ChinaWe report on the first passively mode-locked femtosecond-laser operation of a disordered Yb:Ca<sub>3</sub>Gd<sub>2</sub>(BO<sub>3</sub>)<sub>4</sub> crystal using a SEmiconductor Saturable Absorber Mirror (SESAM). Pumping with a single-transverse mode fiber-coupled laser diode at 976 nm, nearly Fourier-transform-limited pulses as short as 96 fs are generated at 1045 nm with an average output power of 205 mW and a pulse repetition rate of ~67.3 MHz. In the continuous-wave regime, high slope efficiency up to 59.2% and low laser thresholds down to 25 mW are obtained. Continuous wavelength tuning between 1006–1074 nm (a tuning range of 68 nm) is demonstrated. Yb:Ca<sub>3</sub>Gd<sub>2</sub>(BO<sub>3</sub>)<sub>4</sub> crystals are promising for the development of ultrafast lasers at ~1 μm.https://www.mdpi.com/2076-3417/11/20/9464ultrafast lasersolid-state laserytterbium lasermode-locking
spellingShingle Huang-Jun Zeng
Zhang-Lang Lin
Wen-Ze Xue
Ge Zhang
Zhongben Pan
Haifeng Lin
Pavel Loiko
Xavier Mateos
Valentin Petrov
Li Wang
Weidong Chen
SESAM Mode-Locked Yb:Ca<sub>3</sub>Gd<sub>2</sub>(BO<sub>3</sub>)<sub>4</sub> Femtosecond Laser
Applied Sciences
ultrafast laser
solid-state laser
ytterbium laser
mode-locking
title SESAM Mode-Locked Yb:Ca<sub>3</sub>Gd<sub>2</sub>(BO<sub>3</sub>)<sub>4</sub> Femtosecond Laser
title_full SESAM Mode-Locked Yb:Ca<sub>3</sub>Gd<sub>2</sub>(BO<sub>3</sub>)<sub>4</sub> Femtosecond Laser
title_fullStr SESAM Mode-Locked Yb:Ca<sub>3</sub>Gd<sub>2</sub>(BO<sub>3</sub>)<sub>4</sub> Femtosecond Laser
title_full_unstemmed SESAM Mode-Locked Yb:Ca<sub>3</sub>Gd<sub>2</sub>(BO<sub>3</sub>)<sub>4</sub> Femtosecond Laser
title_short SESAM Mode-Locked Yb:Ca<sub>3</sub>Gd<sub>2</sub>(BO<sub>3</sub>)<sub>4</sub> Femtosecond Laser
title_sort sesam mode locked yb ca sub 3 sub gd sub 2 sub bo sub 3 sub sub 4 sub femtosecond laser
topic ultrafast laser
solid-state laser
ytterbium laser
mode-locking
url https://www.mdpi.com/2076-3417/11/20/9464
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