Stable and selectable erbium multiple-ring laser with self-injection loop

Yeh, Chien Hung; Wang, Bo Yin; Hsu, Wei-Chou; You, Wei; Chen, Jhao Ren; Chow, Chi‐Wai; Chen, Jing Heng

doi:10.1016/j.optlastec.2021.107106

Cited by 12 publications

(2 citation statements)

References 22 publications

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“…Narrow-linewidth single-longitudinal-mode (SLM) fiber lasers have been extensively explored owing to their advantages like long coherent length, which can be advantageously applied in various fields, including fiber sensing [1], Doppler LIDAR [2], coherent beam combination [3], gravitational-wave observation [4], and high precision optical measurement systems [5]. Several techniques have been reported so far to realize SLM fiber laser, including short-cavity distributed Bragg reflector (DBR) [6], distributed feedback (DFB) structure [7], Raman fiber laser [8], compound-ring cavity fiber laser [9], and optical self-injection feedback [10].…”

Section: Introductionmentioning

confidence: 99%

Sub-kHz Narrow-Linewidth Single-Longitudinal-Mode Thulium-Doped Fiber Laser Utilizing Triple-Coupler Ring-Based Compound-Cavity Filter

et al. 2023

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This paper proposes and demonstrates a single-longitudinal-mode thulium-doped fiber laser using a passive triple-coupler ring-based compound-cavity filter (TCR-CC) and a uniform fiber Bragg grating. For the first time, the TCR-CC filter is used to select a single mode from dense longitudinal modes. Experimental results show that laser in the wavelength of 1941.28 nm can maintain exceptional stability with an optical signal-to-noise ratio of 74.1 dB. The measured maximum wavelength drift and power fluctuation are 0.01 nm and 0.45 dB, respectively. Meanwhile, the measured linewidth of the laser is 910 Hz, and the relative intensity noise is below −125.82 dB/Hz above 2 MHz frequencies.

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Section: Introductionmentioning

confidence: 99%

Sub-kHz Narrow-Linewidth Single-Longitudinal-Mode Thulium-Doped Fiber Laser Utilizing Triple-Coupler Ring-Based Compound-Cavity Filter

et al. 2023

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“…Besides, a longer cavity length of fiber laser also would lead to dense multi-longitudinal-mode (MLM) oscillation [8,9]. Hence, to mitigate the MLM behavior for single-longitudinal-mode (SLM) action in the erbium fiber laser, the multi-fiber-ring structure [10], Sagnac scheme [5,11], EDF based saturable absorber (SA) [12,13], Rayleigh backscattering (RB) injection [14,15] and Mach-Zehnder interferometric (MZI) operation [16,17] have been also investigated.…”

Section: Introductionmentioning

confidence: 99%

Use of symmetric sagnac dual-ring scheme for tunable single-mode erbium fiber laser

Chen¹,

Yeh²,

Lin³

et al. 2022

Phys. Scr.

Self Cite

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In this paper, an erbium-doped fiber (EDF) laser with symmetric Sagnac dual-ring scheme is experimentally studied to achieve tunable and stable continuous-wave (CW) single-longitudinal-mode (SLM) presentation. In the measurement, the obtained wavelength-tuning bandwidth can be reached from 1518.0 to 1578.0 nm based on a C-band EDF gain-medium. Moreover, the corresponding output power, optical signal to noise ratio (OSNR) and wavelength linewidth of the designed EDF laser are studied and performed simultaneously.

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Wavelength-switchable single-longitudinal-mode thulium-doped fiber laser at 2.05 µm using a superimposed fiber Bragg grating

Guo

Yan

Tian

et al. 2022

Infrared Physics & Technology

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Stable and selectable erbium multiple-ring laser with self-injection loop

Cited by 12 publications

References 22 publications

Sub-kHz Narrow-Linewidth Single-Longitudinal-Mode Thulium-Doped Fiber Laser Utilizing Triple-Coupler Ring-Based Compound-Cavity Filter

Sub-kHz Narrow-Linewidth Single-Longitudinal-Mode Thulium-Doped Fiber Laser Utilizing Triple-Coupler Ring-Based Compound-Cavity Filter

Use of symmetric sagnac dual-ring scheme for tunable single-mode erbium fiber laser

Wavelength-switchable single-longitudinal-mode thulium-doped fiber laser at 2.05 µm using a superimposed fiber Bragg grating

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