Efficient continuous-wave and passively Q-switched operation of yellow dysprosium lasers

Rong Wang; Yuxia Zhang

doi:10.1117/12.3015112

29 December 2023 Efficient continuous-wave and passively Q-switched operation of yellow dysprosium lasers

Rong Wang, Yuxia Zhang

Proceedings Volume 12975, 6th Optics Young Scientist Summit (OYSS 2023); 129750D (2023) https://doi.org/10.1117/12.3015112
Event: 6th Optics Young Scientist Summit, 2023, Changsha, China

Abstract

The present study reports the performance of a Dy³⁺, Tb³⁺:LiLuF₄ yellow laser at 574 nm that could be efficiently operated in both continuous-wave (cw) and passive Q-switching modes. Using two blue InGaN-laser diodes as the pump source, a cw yellow laser was generated with an output power of 315 mW at the wavelength of 574 nm. The passively Q-switched pulse laser was obtained using Bi₂Se₃ and Bi₂Te₃ as saturable absorbers. The saturable absorbers prepared by the chemical vapor deposition method were characterized by Raman spectroscopy and atomic force microscope. The modulation depth and saturable intensity of saturable absorbers were explored by an irradiance-scan technique in a nanosecond regime. With 3.18 W of pump power absorbed, a pulsed output power of 45 mW was generated at 66.7 kHz of repetition frequency, with a minimum pulse width of 735 ns using Bi₂Se₃ as a saturable absorber. In the case of the Bi₂Te₃ saturable absorber, the shortest pulse duration of 828 ns is achieved at the pulse repetition frequency of 22.3 kHz, corresponding to the pulsed output power of 38 mW. The outcomes of the study suggest that Bi2Se3 and Bi2Te3 are potential nanomaterials for optoelectronic applications in the yellow regime.

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Rong Wang and Yuxia Zhang "Efficient continuous-wave and passively Q-switched operation of yellow dysprosium lasers", Proc. SPIE 12975, 6th Optics Young Scientist Summit (OYSS 2023), 129750D (29 December 2023); https://doi.org/10.1117/12.3015112

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available