SBS Threshold Dependence on Pulse Duration in a 2053 nm Single-Mode Fiber Amplifier

Sincore, Alex; Bodnar, Nathan; Bradford, Joshua; Abdulfattah, Ali; Shah, Lawrence; Richardson, Martin

doi:10.1109/jlt.2017.2729508

Cited by 19 publications

(6 citation statements)

References 26 publications

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“…No nonlinear effects, such as stimulated Brillouin scattering or stimulated Raman scattering, were observed in any of our measurements on the two stage TDFA. This behavior is consistent with calculations of nonlinear thresholds for the Tm-doped fiber under investigation [7]. The experimental saturated output spectra for three signal wavelengths of 1909, 1952, and 2004 nm are shown in Figure 7.…”

Section: Experimental Amplifier Performancesupporting

confidence: 88%

“…This means that we can improve the output power of the amplifier simply by increasing the pump power, up to the limit where nonlinear effects start to be observed. The threshold for SBS in our shared pump two stage amplifier is currently under study, and is initially estimated to be on the order of Pout ≈12-15 W [7].…”

Section: Discussion Of Parameter Optimization For Tdfa Architecturesmentioning

confidence: 99%

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Multistage single clad 2 μm TDFA with a shared L-band pump source

2018

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We report the experimental performance and simulation of a multiwatt two-stage TDFA using an L-band (1567 nm) shared pump source. We focus on the behavior of the amplifier for the parameters of output power P, gain G, noise figure NF, signal wavelength λ, and dynamic range. We measure the spectral performance of the TDFA for three specific wavelengths (λ=1909, 1952, and 2004 nm) chosen to cover the low-, mid-, and upper-wavelength operating regions of the wideband amplifier. We also compare the performance of the two-stage shared pump TDFA with a representative one-stage shared pump amplifier. A comparison of experimental results with simulation is presented.

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Section: Experimental Amplifier Performancesupporting

confidence: 88%

Section: Discussion Of Parameter Optimization For Tdfa Architecturesmentioning

confidence: 99%

Multistage single clad 2 μm TDFA with a shared L-band pump source

2018

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“…Co-pump Counter-pump The curves in Figure 4 lead to the important observation that the output power scales linearly with increases in the pump power. Therefore saturated output powers much higher than the 2.6 W already demonstrated [2] can be achieved with this type of Thulium-doped fiber up to the stimulated Brillouin scattering (SBS) threshold which is estimated to be 10-20 W for a fiber length of 7 m [9].…”

Section: Active Fiber Length L (M)mentioning

confidence: 85%

Optimized design and performance of a shared pump single clad 2 µm TDFA

Tench

Romano

Delavaux

2018

Optical Fiber Technology

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Delavaux. Optimized design and performance of a shared pump single clad 2 µm TDFA. Optical Fiber Technology, Elsevier, 2018, 42, pp. AbstractWe report the design, experimental performance, and simulation of a single stage, co-and counter-pumped Tmdoped fiber amplifier (TDFA) in the 2 μm signal wavelength band with an optimized 1567 nm shared pump source. We investigate the dependence of output power, gain, and efficiency on pump coupling ratio and signal wavelength. Small signal gains of >50 dB, an output power of 2 W, and small signal noise figures of <3.5 dB are demonstrated. Simulations of TDFA performance agree well with the experimental data. We also discuss performance tradeoffs with respect to amplifier topology for this simple and efficient TDFA.

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“…These fibers are then cascaded to form an amplifier gain stage, disrupting the buildup of SBS that normally occurs in single continuous fibers. Additional approaches that have investigated the suppression of SBS can also be found in scientific literature [22][23][24][25][26].…”

Section: Introductionmentioning

confidence: 99%

Numerical analysis of the pump’s spectral linewidth impact on single and multi-wavelength Brillouin fiber lasers

Silva¹,

Castellani²

2021

Laser Phys.

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Brillouin fiber lasers (BFLs) are a promising optical source technology for industrial and academic purposes that have experienced continuous progress in recent years. Currently, part of this development is focused on delivering laser solutions with low resonator loss, relatively low pump threshold, high efficiency, very small linewidth, and multi-wavelength architecture. In this perspective, this study employs an accurate numerical model based on an analytical solution to investigate the effect of the pump’s spectral linewidth on BFLs working both in single and cascaded multi-wavelength configurations. Output powers, thresholds, and the Stokes lines number simulated are analyzed here using a standard single-mode optical fiber as the Brillouin gain medium. The numerical results obtained not only allow identifying the regions of the pump’s spectral linewidth in which there is greater, moderate, or even no suppression of the stimulated Brillouin scattering inside the laser cavity but also provides a deep understanding of the internal dynamics of the BFLs cavities.

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SBS Threshold Dependence on Pulse Duration in a 2053 nm Single-Mode Fiber Amplifier

Cited by 19 publications

References 26 publications

Multistage single clad 2 μm TDFA with a shared L-band pump source

Multistage single clad 2 μm TDFA with a shared L-band pump source

Optimized design and performance of a shared pump single clad 2 µm TDFA

Numerical analysis of the pump’s spectral linewidth impact on single and multi-wavelength Brillouin fiber lasers

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