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All-fiber high-energy mode-locked ytterbium-doped fiber laser with bismuth telluride nanosheet saturable absorber

Utilizing bismuth telluride (Bi₂Te₃) nanosheet saturable absorbers (SA), a remarkable source of continuous-wave infrared radiation known for its high efficiency and wide range of accessible wavelengths, has been successfully developed. The mode-locking bright pulses have a repetition frequency of 9....

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Bibliographic Details
Main Authors: Hazlihan Haris, Malathy Batumalay, Tan, Sin Jin, Ahmad Razif Muhammad, Arni Munira Markom, Muhamad Hakim Izani, Megat Muhammad Ikhsan Megat Hasnan, Ismail Saad
Format: Article
Language:English
English
Published: Multidisciplinary Digital Publishing Institute (MDPI) 2022
Subjects:
T1-995 Technology (General)
TA1-2040 Engineering (General). Civil engineering (General)
Online Access:https://eprints.ums.edu.my/id/eprint/42290/1/ABSTRACT.pdf
https://eprints.ums.edu.my/id/eprint/42290/2/FULL%20TEXT.pdf
https://eprints.ums.edu.my/id/eprint/42290/
https://doi.org/10.3390/cryst12111507
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Summary:Utilizing bismuth telluride (Bi₂Te₃) nanosheet saturable absorbers (SA), a remarkable source of continuous-wave infrared radiation known for its high efficiency and wide range of accessible wavelengths, has been successfully developed. The mode-locking bright pulses have a repetition frequency of 9.5 MHz and a pulse width of 0.6 ps at a power level of 203.5 mW. The optical spectrum has its center at 1050.23 nm and delivers pulse energies of 2.13 nJ and output power of 20.3 mW. Using a straightforward 18 m long ring design and a laser cavity with a −19.9 ps2/km dispersion, a 44 dB signal-to-noise ratio (SNR) was achieved to demonstrate the pulse’s strong stability.

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