Single Longitudinal Mode Brillouin Fiber Laser With Cascaded Ring Fabry–Pérot Resonator

Liu, Yi; Yu, Jinlong; Wang, Wen-Rui; Pan, Honggang; Yang, Erfu

doi:10.1109/lpt.2013.2290191

Cited by 31 publications

(11 citation statements)

References 22 publications

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“…The linewidth of the BEFL is measured by the delayed self heterodyne method as shown in Figure 7(a). [28,29] The laser of BEFL is divided into two paths by a 50:50 OC. One part is sent through an acousto-optic modulator with a frequency downshift of 80 MHz and the other part is sent into a 50 km delay optical fiber.…”

Section: Self-injection Feedback Structurementioning

confidence: 99%

All polarization maintaining Brillouin erbium-doped fiber laser with narrow linewidth and stable single longitudinal mode

Yang,

Wang,

Shang

et al. 2024

International Academic Conference on Optics and Photonics (IACOP 2023)

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A single-longitudinal-mode (SLM) narrow-linewidth Brillouin erbium-doped fiber laser (BEFL) is proposed and demonstrated experimentally. The erbium-doped fiber (EDF) is employed to act as both the linear gain and Brillouin gain medium, which makes it easy to excite the stimulated Brillouin scattering (SBS) in the EDF by cooperating with the ring cavity structure. In order to realize stable SLM and narrow-linewidth laser output, the fiber saturable absorber (SA) and the self-injection feedback structure are added to BEFL for the first time, which can suppress the multimode phenomenon effectively and obtain a stable SLM status. The wavelength stability is less than 1.32 pm over 45 minutes and the linewidth is as narrow as 283 Hz.

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Section: Self-injection Feedback Structurementioning

confidence: 99%

All polarization maintaining Brillouin erbium-doped fiber laser with narrow linewidth and stable single longitudinal mode

Yang,

Wang,

Shang

et al. 2024

International Academic Conference on Optics and Photonics (IACOP 2023)

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“…P [18], where V A is the acoustic velocity in the medium, c is the vacuumlight veloc ity, and λ P is the pump wavelength. (1)…”

Section: Experimental Setup and Principlementioning

confidence: 99%

Compact two wavelength Brillouin fiber laser sensor with double Brillouin frequency spacing

Liu¹,

Zhang²,

Zhang³

et al. 2016

Laser Phys.

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A compact two wavelength Brillouin fiber laser (BFL) sensor with double Brillouin frequency spacing is proposed and demonstrated. In the experiment, 20 m polarization maintaining fiber is used as the sensing element and Brillouin gain medium. This short cavity configuration not only guarantees single longitudinal mode operation of two Stokes wavelengths, but also can effectively reduce external perturbations, complexity and noise of BFL in the absence of an erbiumdoped fiber amplifier in intracavity. In experiment, about 2 MHz/°C sensitivity of beat frequency between the pump and the 2ndorder Stokes wavelength keep in good agreement with the theoretical value. Meanwhile, 0.2 °C temperature stability and ±0.1 dB power fluctuation are better than the traditional structure. The system is simple and stable, making it convenient for more applications.

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“…Stimulated Brillouin scattering (SBS) effect has been developed as a mature method to realize the linewidth narrowing of lasers [12][13][14]. By coupling the single-frequency Brillouin pump into a ring cavity, where a long piece of fiber serves as a Brillouin gain medium, Stokes light with linewidth much narrower than that of the Brillouin pump can be generated due to the strongly reduced phase noise [15].…”

Section: Introductionmentioning

confidence: 99%

Power scaling and spectral linewidth suppression of hybrid Brillouin/thulium fiber laser

Shi

Sheng

et al. 2020

Opt. Express

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In this paper, an ultra-narrow linewidth hybrid Brillouin/thulium fiber laser (BTFL) was demonstrated. By optimizing the output coupling, pump scheme, fiber length and Brillouin pump power for the linewidth narrowing, 344-mW output power with a narrow linewidth of 0.93 kHz was obtained from the BTFL, in which the linewidth of Stokes light was suppressed more than 43 times compared with the 40 kHz linewidth of the Brillouin pump. Besides, the influences of output coupling and pump scheme on the power and linewidth behavior of a single-frequency BTFL were also experimentally investigated, and there exists a performance balance among linewidth narrowing, output power and SBS threshold. The output coupling exerted a significant influence on the BTFL performance.

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Single Longitudinal Mode Brillouin Fiber Laser With Cascaded Ring Fabry–Pérot Resonator

Cited by 31 publications

References 22 publications

All polarization maintaining Brillouin erbium-doped fiber laser with narrow linewidth and stable single longitudinal mode

All polarization maintaining Brillouin erbium-doped fiber laser with narrow linewidth and stable single longitudinal mode

Compact two wavelength Brillouin fiber laser sensor with double Brillouin frequency spacing

Power scaling and spectral linewidth suppression of hybrid Brillouin/thulium fiber laser

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