Mode-locked ytterbium-doped fiber laser with zinc phthalocyanine thin film saturable absorber

Soboh, Rawan S.M.; Al-Masoodi, Ahmed Hasan Hamood; Erman, Fuad; Nizamani, Bilal; Arof, Hamzah; Apsari, Retna; Harun, Sulaiman Wadi

doi:10.1007/s12200-022-00027-2

Cited by 9 publications

(1 citation statement)

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“…However, these reports were limited to C-band as the erbium-doped fiber was used as a gain medium for their work. Moreover, due to their limited physical and chemical properties, the new SAs are still being explored [6,[32][33][34]. For instance, graphene has a low damage threshold, and BP can quickly oxidize, so its performance degrades when exposed to air.…”

Section: Introductionmentioning

confidence: 99%

Wavelength-tunable mode-locked laser using zinc phosphate as a saturable absorber at 1.9 μm

et al. 2023

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Metal phosphates have emerged as low-cost inorganic materials suitable for high-performance energy storage and conversion devices. The photoluminescence properties of metal phosphates are now being explored for their optoelectronic applications. Among them, zinc phosphate is the composition of metal zinc and phosphoric acid. In this work, we have demonstrated the synthesis of zinc phosphate by the solvothermal method and its potential as a saturable absorber (SA) to generate a tunable mode-locked laser at 1.9 µm. Zinc phosphate was coated over arc-shaped fiber and incorporated in a thulium-holmium doped fiber laser (THDFL) to achieve the mode-locking. Soliton mode-locked pulses were achieved at a center wavelength of 1893 nm with the pulse duration, repetition rate, and signal-to-noise ratio (SNR) of 1.12 ps, 12 MHz, and 68 dB, respectively. The center wavelength of the mode-locked laser was tunable from 1893 to 1898.4 nm, and the pulse duration ranged between 1.12 to 1.4 ps. To the authors' knowledge, this is the first demonstration of a wavelength-tunable mode-locked laser using zinc phosphate as a SA at 1.9 µm.

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Section: Introductionmentioning

confidence: 99%