Tunable S-band passively Q-switched thulium-doped fluoride fiber laser using Iron Phosphorus Trichalcogenide-PVA (FePS3-PVA) film

被引：0

作者：

Azam, Azim Danial ^{[1
]}

Ahmad, Harith ^{[1
,2
,5
]}

Samion, Muhamad Zharif ^{[1
]}

Nizamani, Bilal ^{[1
]}

Sun, Shufeng ^{[3
]}

Yasin, M. ^{[4
]}

机构：

[1] Univ Malaya, Photon Res Ctr, Kuala Lumpur 50603, Malaysia

[2] Univ Malaya, Fac Sci, Dept Phys, Kuala Lumpur 50603, Malaysia

[3] Qingdao Univ Technol, Sch Mech & Automot Engn, Collaborat Innovat Ctr Green Intelligent Laser Mfg, Qingdao 266520, Peoples R China

[4] Univ Airlangga, Fac Sci & Technol, Dept Phys, Surabaya 60115, Indonesia

[5] Univ Kuala Lumpur British Malaysian Inst UniKL BMI, Jln Sungai Pusu, Batu 8 Jln Sungai Pusu, Gombak 53100, Selangor, Malaysia

来源：

LASER PHYSICS | 2023年 / 33卷 / 07期

关键词：

thulium-doped fluoride fiber laser; saturable absorber; iron phosphate trisulfide; Q-switched pulses; C-BAND; SATURABLE-ABSORBER; SPECTROSCOPY; PERFORMANCE;

D O I：

10.1088/1555-6611/acd4b2

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

This work shows the generation of Q-switched pulses in a thulium-doped fluoride fiber (TDFF) using a FePS3 saturable absorber (SA). The modulation depth of the FePS3 SA was 34.5%, with a saturation intensity of 0.551 kW cm(-2). The Q-switched laser began at 70 mW pump power, sustained to 166 mW, having an operating wavelength of 1502 nm. Adjusting the pump power between that range allows for altering the repetition rate between 19.7 and 29.8 kHz. At 166 mW value of pump power, the laser showed a high signal-to-noise ratio similar to 46 dB and was sustained over an hour with similar results obtained over 8 h. Tunability was achieved from 1450 nm to 1516 nm when a tunable bandpass filter was added. The reported FePS3 SA-based TDFF Q-switched laser can be utilized in the S-band region for photonics applications.

引用

页数：7

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