Passively Q-switched S+/S band fiber laser with copper telluride saturable absorber

Ahamd, Harith and Azmi, Nur Farhana and Mohd Kasran, Farah Adilah and Yusoff, Norazriena and Reduan, Siti Aisyah and Bayang, Leonard and Ismail, Mohammad Faizal and Zulkifli, Mohd Zamani and Thambiratnam,, Kavintheran (2020) Passively Q-switched S+/S band fiber laser with copper telluride saturable absorber. Laser Physics Letters, 17 (9). ISSN 1612-2011 E-ISSN 1612-202X

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Abstract

A Q-switched S-band fiber laser based on a thulium-fluoride fiber gain medium and copper telluride (Cu2Te) based saturable absorber (SA) is demonstrated. The Cu2Te based SA is fabricated as a thin film and at the maximum pump power, the generated Q-switched output has a minimum pulse width of 3.2 µs and highest pulse energy of 56.7 nJ. The pulse train varies from 20.9 kHz to 30.2 kHz at the highest pump power. The wavelength of the generated output can be tuned over a range of 32 nm from 1470 nm to 1502 nm. The demonstrated laser has a high potential for industrial applications focusing on the S-band region.

Item Type:	Article (Letter)
Additional Information:	8870/84144
Uncontrolled Keywords:	copper telluride, saturable absorber, S-band; Q-switched, thulium-fluoride fiber
Subjects:	Q Science > QC Physics
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button):	Kulliyyah of Science > Department of Physics
Depositing User:	Dr M Z Zulkifli
Date Deposited:	05 Nov 2020 15:34
Last Modified:	05 Nov 2020 15:34
URI:	http://irep.iium.edu.my/id/eprint/84144

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