Switchable dual-wavelength single-longitudinal-mode erbium fiber laser utilizing a dual-ring scheme with a saturable absorber

Yang, Zhihui; Huang, Tzu Jung; Chang, Yu‐Jung; Yeh, Chien Hung; Chow, Chi‐Wai; Chen, Jing Heng; Chen, Kun Huang

doi:10.1088/1555-6611/aab655

Cited by 7 publications

(3 citation statements)

References 21 publications

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“…Multi-wavelength switchable fiber lasers or dual-wavelength switchable fiber lasers are widely used in laser technology [1], fiber optic sensing [2], optical communication [3] and also in the design of optical division multiplexing mechanism (WDM) [2][3][4][5]. Multi-wavelength mode-locked and Qswitched pulses in fiber lasers have been successfully achieved using both active and passive approaches.…”

Section: Introductionmentioning

confidence: 99%

Responsiveness of temperature using tunable dual-wavelength Q-switched fiber laser

Zamri¹,

Zalkepali²,

Awang³

et al. 2023

Laser Phys.

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In this paper, a responsiveness temperature based on a tunable dual-wavelength Q-switched fiber laser has been proposed and experimentally demonstrated. Experiments have been carried out with tunable dual-wavelength Q-switched fiber laser by using graphite as a saturable absorber, which is incorporated in the two fiber Bragg gratings (FBG) as a sensing element. Both FBG 1 and FBG 2 have a central wavelength of 1550 nm and 1551 nm, respectively. The optical spectral and RF signals are proven observed during the temperature change. The results from optical spectra demonstrate the measured temperature has good linearity, where the slope of the graph is thus the temperature sensitivity of 1550 nm FBG. The R2 value of the graph is 0.965 and the value of temperature sensitivity is 0.0064 nm °C−1. For FBG 2 as the sensing element, the R2 value of the graph is 0.9751 and the value of temperature sensitivity is 0.0068 nm °C−1. In addition, the repetition rate is almost linear with the temperature change, giving the correlation factor of R2 value of FBG 1 and FBG 2 are 0.8118 and 0.9046, respectively. The experimental results prove the feasibility of the proposed temperature sensor.

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Section: Introductionmentioning

confidence: 99%

Responsiveness of temperature using tunable dual-wavelength Q-switched fiber laser

Zamri¹,

Zalkepali²,

Awang³

et al. 2023

Laser Phys.

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show abstract

“…However, adding multiple devices in the central station increases the overall cost of the transmission system. In [19][20][21], semiconductor optical amplifiers (SOAs) and erbium-doped fiber amplifiers (EDFAs) are utilized as gain mediums to generate multi-wavelengths. Although EDFA has the characteristics of a flatter gain spectrum, lower polarization-dependent gain, and higher saturation power, it has a strong line broadening and cross-saturation at room temperature.…”

Section: Introductionmentioning

confidence: 99%

Self-Start Multi-Wavelength Laser Source with Tunable Delay-Line Interferometer and Optical Fiber Reflector for Wireless Communication System

et al. 2021

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The radio-over-fiber (RoF) technique has gained a lot of interest recently, as the millimeter-wave signals can be generated and delivered in the optical domain with the advantages of low attenuation, high capacity, and being free from electromagnetic noise interference (EMI). In this paper, we propose and experimentally prove a self-start multi-wavelength laser source based on a distributed feedback laser diode (DFB-LD) for the RoF transport system. The self-start multi-wavelength laser source generates stable laser power with less than 0.18 dB power fluctuation and exhibits good stability. In order to estimate the transmission performance, data is externally modulated onto the multi-wavelength by a reflective semiconductor optical amplifier (RSOA) and transmitted through single-mode fiber (SMF). The experimental result proves that the proposed RoF transport system achieves error-free transmission and clear eye diagrams.

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“…Anum et al [13] reported a single-and dual-wavelength tunable ring-cavity EDF laser based on the Fabry-P erot (FP) structure, and was fabricated by single-mode fibers (SMFs) and multimode fibers. Additionally, Yang et al [14] realized a dual-wavelength switchable fiber laser based on a double-ring cavity, while six different groups of lasing conditions were obtained for the proposed fiber laser. Xu et al [15] designed and realized a switchable single-mode fiber laser based on a h shaped microfiber filter.…”

Section: Introductionmentioning

confidence: 99%

All-fiber Mach–Zehnder comb filter based on tapered fibers for wavelength switchable erbium-doped fiber lasers

Zhu

Dong

2020

International Journal of Optomechatronics

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A wavelength switchable erbium-doped fiber laser was constructed based on an all-fiber Mach-Zehnder interferometer (MZI) comb filter. The MZI consisted of a fiber with two tapers. An L-band erbium-doped fiber was used as the gain medium, and 1557.92, 1563.2, and 1568.06 nm singlewavelength and dual-wavelength switchable lasers at 1558, 1563.7, and 1570.2 nm were realized by adjusting the polarization controller. During scanning, the maxmin power fluctuations of single-and dual-wavelength lasing were 0.604 and 2.482 dB, respectively. The signal-to-noise ratio was >24.46 dB and the laser's 3 dB linewidth was <0.39 nm.

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Switchable dual-wavelength single-longitudinal-mode erbium fiber laser utilizing a dual-ring scheme with a saturable absorber

Cited by 7 publications

References 21 publications

Responsiveness of temperature using tunable dual-wavelength Q-switched fiber laser

Responsiveness of temperature using tunable dual-wavelength Q-switched fiber laser

Self-Start Multi-Wavelength Laser Source with Tunable Delay-Line Interferometer and Optical Fiber Reflector for Wireless Communication System

All-fiber Mach–Zehnder comb filter based on tapered fibers for wavelength switchable erbium-doped fiber lasers

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