Soliton passively mode-locked pulses generation in thulium-holmium doped fiber laser (THDFL) with molybdenum oxide saturable absorber

Ahmad, Harith and Ismail, Norliana N. and Aidit, Siti Nabila and Yusoff, Norazriena and Ramli, Rizal and Abdul Kadir@Jaafar, Muhammad Zamzuri (2020) Soliton passively mode-locked pulses generation in thulium-holmium doped fiber laser (THDFL) with molybdenum oxide saturable absorber. Optical Fiber Technology, 60. ISSN 10685200

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Abstract

This work proposed and demonstrated stable passive mode-locking in a thulium-holmium doped fiber laser (THDFL) using molybdenum oxide (MoOx) deposited onto a tapered fiber as a saturable absorber (SA). The SA was fabricated using the optical deposition technique for 2.0 µm region operation. The modulation depth, saturation intensity and non-saturable loss of MoOx SA were measured to be ~24.3%, ~0.01 MW/cm2 and ~75.7%, respectively. The threshold of the mode-locking operation was obtained at a pump power of 184.3 mW with a centre wavelength of 1937.1 nm and a 3-dB bandwidth of 4 nm. It has a high signal-to-noise ratio (SNR) of ~77 dB and produces a stable pulse with a repetition rate of 11.5 MHz and a pulse width of 1.64 ps

Item Type:	Article (Journal)
Uncontrolled Keywords:	Mode-locked, THDFL, MoOx, Saturable absorber, Tapered
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:	Suhani Saarani
Date Deposited:	01 Feb 2021 14:48
Last Modified:	01 Feb 2021 15:04
URI:	http://irep.iium.edu.my/id/eprint/88176

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