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Wavelength-tunable bidirectional passively Q-switched Er-doped fiber laser incorporating a single-walled carbon nanotube and tunable bandpass filter.
Appl Opt. 2020 Mar 20; 59(9):2709-2714.AO

Abstract

We demonstrated a continuously wavelength-tunable bidirectional passively $ Q $Q-switched fiber laser based on a single-walled carbon nanotube saturable absorber and a bandpass filter (BPF). By tuning the commercial BPF, the $ Q $Q-switched pulse can be obtained in the same cavity at the same pump power in clockwise (CW) and counter-clockwise (CCW) directions. The central wavelength can be continuously tuned from 1520.88 to 1568.56 nm in the CW direction, and from 1520.96 to 1568.64 nm in the CCW direction. A wide tuning range of 48 nm is achieved for two directions in the passively $ Q $Q-switched fiber laser. During the tuning process of the fiber laser, the output pulses with the same central lasing wavelength can be obtained in both oscillation directions owing to the BPF. By increasing the pump power from 130 to 350 mW, the cavity delivers a $ Q $Q-switched pulse with the central wavelength of 1560 nm whose repetition rate changes from 9.64 to 59.18 kHz for the CW direction. In the CCW direction, the repetition rate of the $ Q $Q-switched pulse changes from 10.26 to 61.03 kHz. To the best of our knowledge, it is the first time that continuous wavelength-tunable passively $ Q $Q-switched pulses have been achieved in a bidirectional erbium-doped fiber laser.

Authors

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Pub Type(s)

Journal Article

Language

eng

PubMed ID

32225819

Citation

Lu, Bingbing, et al. "Wavelength-tunable Bidirectional Passively Q-switched Er-doped Fiber Laser Incorporating a Single-walled Carbon Nanotube and Tunable Bandpass Filter." Applied Optics, vol. 59, no. 9, 2020, pp. 2709-2714.
Lu B, Zou C, Huang Q, et al. Wavelength-tunable bidirectional passively Q-switched Er-doped fiber laser incorporating a single-walled carbon nanotube and tunable bandpass filter. Appl Opt. 2020;59(9):2709-2714.
Lu, B., Zou, C., Huang, Q., Huang, Z., AlAraimi, M., Mou, C., Luo, Z., & Rozhin, A. (2020). Wavelength-tunable bidirectional passively Q-switched Er-doped fiber laser incorporating a single-walled carbon nanotube and tunable bandpass filter. Applied Optics, 59(9), 2709-2714. https://doi.org/10.1364/AO.387843
Lu B, et al. Wavelength-tunable Bidirectional Passively Q-switched Er-doped Fiber Laser Incorporating a Single-walled Carbon Nanotube and Tunable Bandpass Filter. Appl Opt. 2020 Mar 20;59(9):2709-2714. PubMed PMID: 32225819.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Wavelength-tunable bidirectional passively Q-switched Er-doped fiber laser incorporating a single-walled carbon nanotube and tunable bandpass filter. AU - Lu,Bingbing, AU - Zou,Chuanhang, AU - Huang,Qianqian, AU - Huang,Zinan, AU - AlAraimi,Mohammed, AU - Mou,Chengbo, AU - Luo,Zhichao, AU - Rozhin,Aleksey, PY - 2020/4/1/entrez SP - 2709 EP - 2714 JF - Applied optics JO - Appl Opt VL - 59 IS - 9 N2 - We demonstrated a continuously wavelength-tunable bidirectional passively $ Q $Q-switched fiber laser based on a single-walled carbon nanotube saturable absorber and a bandpass filter (BPF). By tuning the commercial BPF, the $ Q $Q-switched pulse can be obtained in the same cavity at the same pump power in clockwise (CW) and counter-clockwise (CCW) directions. The central wavelength can be continuously tuned from 1520.88 to 1568.56 nm in the CW direction, and from 1520.96 to 1568.64 nm in the CCW direction. A wide tuning range of 48 nm is achieved for two directions in the passively $ Q $Q-switched fiber laser. During the tuning process of the fiber laser, the output pulses with the same central lasing wavelength can be obtained in both oscillation directions owing to the BPF. By increasing the pump power from 130 to 350 mW, the cavity delivers a $ Q $Q-switched pulse with the central wavelength of 1560 nm whose repetition rate changes from 9.64 to 59.18 kHz for the CW direction. In the CCW direction, the repetition rate of the $ Q $Q-switched pulse changes from 10.26 to 61.03 kHz. To the best of our knowledge, it is the first time that continuous wavelength-tunable passively $ Q $Q-switched pulses have been achieved in a bidirectional erbium-doped fiber laser. SN - 1539-4522 UR - https://www.unboundmedicine.com/medline/citation/32225819/Wavelength_tunable_bidirectional_passively_Q_switched_Er_doped_fiber_laser_incorporating_a_single_walled_carbon_nanotube_and_tunable_bandpass_filter_ DB - PRIME DP - Unbound Medicine ER -
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