Widely tunable/wavelength-swept SLM fiber laser with ultra-narrow linewidth and ultra-high OSNR

Feng, Ting; Ding, Datong; Liu, Peng; Su, Haijun; Yao, X. Steve

doi:10.1007/s11801-016-6194-z

Cited by 8 publications

(3 citation statements)

References 21 publications

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“…The previous EDF compound-ring laser configurations could achieve single or dual-wavelength SLM output within the C-band operation range [10,11,[31][32][33][34]. The prior result indicated that the output wavelength power was smaller and dropped on both sides slightly.…”

Section: Introductionmentioning

confidence: 95%

“…The prior result indicated that the output wavelength power was smaller and dropped on both sides slightly. Moreover, exploiting a triple-ring scheme in EDF based laser could reach the SLM operation [31][32][33][34], while the length difference of each fiber ring was larger to cause a wide FSR for multi-mode suppression. Even if the previous studies could extend the tunability, the observed output power could not achieve a flat distribution over the whole tuning range.…”

Section: Introductionmentioning

confidence: 99%

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Stabilized single-longitudinal-mode fiber laser with broadband and flat wavelength output

Lin

Chang

et al. 2020

Phys. Scr.

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In this study, we present and experimentally demonstrate an erbium-doped fiber (EDF) quad-fiber-ring (QFR) laser with selectable and flat single-longitudinal-mode (SLM) wavelength output. The designed QFR scheme not only can suppress dense multi-mode oscillation, but also can broaden and flatten the output wavelength covering C- and part of L-bands over a bandwidth from 1519.0 to 1579.0 nm when using a C-band EDF as gain medium. Additionally, the output power, optical signal to signal ratio (OSNR), linewidth, stability and tunability of the proposed EDF laser are also discussed.

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Section: Introductionmentioning

confidence: 95%

Section: Introductionmentioning

confidence: 99%

Stabilized single-longitudinal-mode fiber laser with broadband and flat wavelength output

Lin

Chang

et al. 2020

Phys. Scr.

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“…It is generally impossible to achieve single longitudinal mode output by relying solely on a single fiber ring filter. Usually, single longitudinal mode output is achieved through the vernier effect of two cascaded fiber ring filters [22], [23], [24], [25], [26], [27], [28], [29], [30], [31], [32], [33]. However, relying only on cascaded fiber ring filters to filter out a single longitudinal mode in an erbium-doped fiber laser, the length difference between the two fiber ring filters is slight.…”

Section: Introductionmentioning

confidence: 99%

Bidirectional Single Longitudinal Mode Er-Doped Fiber Ring Laser Using a Bandpass Filter and Cascaded Fiber Ring Filter

Wang

et al. 2023

IEEE Access

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Bidirectional single longitudinal mode fiber ring laser have advantages and potential in optical sensing, especially angular velocity sensing. The current methods for implementing bidirectional single longitudinal mode fiber ring laser cannot ensure complete reciprocity in the optical path, and the side mode suppression ratio needs to be increased, while the laser linewidth is relatively wide. This paper proposes a combined filtering structure using a bandpass filter and a cascaded add-drop type fiber ring filter. When realizing bidirectional single longitudinal mode output, the optical path structure is fully reciprocal including polarization state reciprocity, while the side mode suppression ratio is relatively high. The linewidth of the bidirectional laser is around 1.1 kHz, far lower than the previous report of tens of kHz. The fully reciprocal combined filter structure proposed in this paper does not require special devices, and its theoretical system is mature, which is conducive to the subsequent application and improvement of bidirectional single longitudinal mode fiber ring laser.INDEX TERMS Bidirectional Er-doped fiber ring laser, compound-cavity, fiber ring filter, single longitudinal mode.

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Two novel tunable ring cavity EDFL designs with pre coupler and NALM for improving OSNR

Unalan,

Yucel

2023

Opt Quant Electron

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Widely tunable/wavelength-swept SLM fiber laser with ultra-narrow linewidth and ultra-high OSNR

Cited by 8 publications

References 21 publications

Stabilized single-longitudinal-mode fiber laser with broadband and flat wavelength output

Stabilized single-longitudinal-mode fiber laser with broadband and flat wavelength output

Bidirectional Single Longitudinal Mode Er-Doped Fiber Ring Laser Using a Bandpass Filter and Cascaded Fiber Ring Filter

Two novel tunable ring cavity EDFL designs with pre coupler and NALM for improving OSNR

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