High-efficiency, single-longitudinal-mode ring fibre laser

Liegeois, F.; Hernandez, Yves; Peigne, G.; Roy, F.; Hamoir, D.

doi:10.1049/el:20050496

Cited by 26 publications

(7 citation statements)

References 5 publications

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“…In order to obtain an SLM fiber laser with a narrow linewidth, several techniques have been reported [5][6][7][8][9][10][11][12][13][14][15][16]. A common approach is utilizing two fiber grating reflectors to realize cavity feedback and wavelength selectivity in the linear laser, which leads to the length of the laser cavity, which needs to be shortened a few centimeters for the SLM operation [5,6].…”

Section: Introductionmentioning

confidence: 99%

“…However, it exhibits high insertion loss and is difficult to be fabricated, thus making it considerably expensive. Multiple-cavity laser structures have also been successfully employed in previous reports to ensure the SLM oscillation [13][14][15][16]. Besides, many research groups such as Su and co-workers have reported the use of improved MZI structure or combining it with a fiber loop for effectively guaranteeing stable SLM oscillation [17][18][19].…”

Section: Introductionmentioning

confidence: 99%

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Stable single-longitudinal-mode erbium-doped fiber laser with narrow linewidth utilizing parallel fiber ring resonator incorporating saturable absorber and fiber Bragg grating

Zhang

Liu

et al. 2015

Appl. Opt.

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A stable, single-frequency, narrow linewidth ring erbium-doped fiber laser (EDFL) is proposed and demonstrated experimentally. The main ultranarrow filter of the ring cavity EDFL is realized by an improved Mach-Zehnder interferometer, which consists of two parallel optical fiber ring resonators (FRRs). The FRRs share a saturable absorber and a fiber Bragg grating. Attributed to the Vernier effect, the single longitudinal mode operation is successfully obtained. The output of the EDFL can present good performance with a narrow linewidth of 1.09 kHz at 1549.57 nm and a high optical signal-to-noise ratio of 68 dB. Meanwhile, the laser has a relatively low threshold of 10.7 mW. In addition, the central wavelength variation and power fluctuation of the laser are less than 0.002 nm and 0.2 dB, respectively, showing favorable stability.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Stable single-longitudinal-mode erbium-doped fiber laser with narrow linewidth utilizing parallel fiber ring resonator incorporating saturable absorber and fiber Bragg grating

Zhang

Liu

et al. 2015

Appl. Opt.

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“…Consequently laser output from the ring laser is stable with a large linewidth. Many research efforts have been done to eliminate the multi-longitudinal mode oscillation and suppress the mode hopping for travelling-wave ring cavity, such as insertion of high finesses narrow filter (Liegeois et al 2005;Cheng et al 2008) or use of saturable absorber acting as narrow filter (Ryu et al 2005;Meng et al 2006).…”

Section: Introductionmentioning

confidence: 99%

Stable single-longitudinal-mode fiber laser using PM FBG F-P etalon and PM fiber saturable absorber

Zhou

Zhang

et al. 2009

Opt Quant Electron

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we present a stable and high efficiency single-longitudinal-mode (SLM) fiber ring laser by using polarization-maintaining fiber Bragg grating Fabry-Perot (PM FBG F-P) etalon combining PM fiber saturable absorber. The PM FBG F-P etalon, which is directly fabricated in hydrogen-loaded PM fiber, is used as reflector and mode-selecting component to reduce the longitudinal-mode density greatly. Meanwhile, a segment un-pumped PM Er 3+ -doped fiber (EDF) serves as saturable absorber to suppress mode hopping and ensure the stable SLM operation. Stable SLM laser output at 1550.4 nm with linewidth of 2.0 kHz is observed. Laser output power is 43.7 mW for a pump power of 148 mW, optical-optical efficiency is 29.5% and signal-to-noise ratio (SNR) is larger than 55 dB.

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“…Single-frequency fiber lasers are useful for the dense wavelength division multiplexing (DWDM) systems, remote optical sensors, coherent optical communications systems and spectroscopy [1][2][3][4][5][6][7][8][9]. Fiber Bragg gratings (FBGs) are ideal wavelength-selective components for fiber laser due to broad wavelength range and narrow reflection bandwidth [10][11][12][13][14][15].…”

Section: Introductionmentioning

confidence: 99%

Wavelength tunable single freqeuncy bistability erbium-doped fiber ring laser

Sheng

Zhou

et al. 2008

Passive Components and Fiber-Based Devices V

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In this paper, a tunable single-frequency fiber laser is designed. For narrow linewidth and single frequency operation, a length of 2.75m unpumped EDF as a saturable absorber is used. The FBG combined with the unpumped EDF provides narrow frequency selection. Counter propagating beams in the unpumped EDF form a standing wave that results in periodic spatial hole burning. This creates a narrower bandwidth absorption grating than the FBG. The output laser wavelength can be changed from 1530nm to 1570nm by the FBG. The 3dB spectrum width of output laser is 0.08nm and the side mode suppression ratio is 55dB. The maximum output power exceeds 12mW, and the stability is less than ±0.005dB. A nice single-frequency laser is observed. From the relationship of the pump power and output power, it is obvious that the optical bistability switchable phenomena is showed in output characteristics.The bistability switchable phenomena is caused by the saturable absorber in the ring cavity. A 10Gb/s codes rate is used in the fiber laser transmission experiment. The high speed optical signal is transmitted in long distance without regeneration. The eye diagrams of optical transmission are measured, the performance of long haul transmission with high speed modulation is perfect.

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High-efficiency, single-longitudinal-mode ring fibre laser

Cited by 26 publications

References 5 publications

Stable single-longitudinal-mode erbium-doped fiber laser with narrow linewidth utilizing parallel fiber ring resonator incorporating saturable absorber and fiber Bragg grating

Stable single-longitudinal-mode erbium-doped fiber laser with narrow linewidth utilizing parallel fiber ring resonator incorporating saturable absorber and fiber Bragg grating

Stable single-longitudinal-mode fiber laser using PM FBG F-P etalon and PM fiber saturable absorber

Wavelength tunable single freqeuncy bistability erbium-doped fiber ring laser

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