Usage of novel Co-MOF for mode-locked pulse generation near 2 μm

Ahmad, Harith and Chiam, J.W. and Samion, Muhamad Zharif and Ismail, Mohammad Faizal and Mutlu, Saliha and Filiz, Volkan and Sevil, Savaskan Yilmaz and Arsu, Nergis and Zaini, Muhammad Khairol Annuar and Thambiratnam, Kavintheran and Bayang, Leonard and Sun, Shufeng and Ortaç, Bülend (2025) Usage of novel Co-MOF for mode-locked pulse generation near 2 μm. IEEE Journal of Quantum Electronics, 61 (3). pp. 1-7. ISSN 0018-9197 E-ISSN 1558-1713

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Abstract

In this work, we investigated unprecedented laser-induced rapid synthesis (LIRS) cobalt-based metal-organic framework (Co-MOF) saturable absorber (SA) to generate a conventional soliton pulse in a thulium-doped fiber laser (TDFL). The Co-MOF was drop-casted onto a side-polished fiber (SPF) to prepare the saturable absorber (SA). It exhibited a high modulation depth of 14 and a saturation intensity of 20.7MW/cm2. The pulse produced had a pulse width and center wavelength of 1.34 ps and 1974.2 nm, respectively. The repetition rate of the output was 13.09 MHz, which gives a pulse interval of about 76.4 ps. The beam output reached an average power of 6.56 mW and pulse energy of about 501 pJ before breaking, achieving a maximum peak power of 374 W. © 1965-2012 IEEE.

Item Type:	Article (Journal)
Additional Information:	Cited by: 0
Uncontrolled Keywords:	Fiber laser, mode-locking, thulium-doped fiber laser, saturable absorber, metal-organic framework
Subjects:	Q Science > QC Physics
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button):	Kulliyyah of Science Kulliyyah of Science > Department of Physics
Depositing User:	Ts. Dr. Kavintheran Thambiratnam
Date Deposited:	18 Nov 2025 15:07
Last Modified:	18 Nov 2025 15:07
Queue Number:	2025-11-Q036
URI:	http://irep.iium.edu.my/id/eprint/124437

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