Over 10 W Output Linearly-Polarized Single-Stage Fiber Laser Oscillating Above 1160 nm Using Yb-Doped Polarization-Maintaining Solid Photonic Bandgap Fiber

Kashiwagi, M.; Takenaga, Katsuhiro; Ichii, Kentaro; Kitabayashi, T.; Shoji, T.; Shima, K.; Matsuo, Shoichiro; Fujimaki, M.; Himeno, K.

doi:10.1109/jqe.2011.2159960

Cited by 10 publications

(4 citation statements)

References 18 publications

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“…There are numerous ways to produce polarized output laser. However, they use either expensive specialty fibers [19][20][21] or high birefringence FBGs [22,23] . Mou has reported the high degree of polarization (DOP) fiber laser system by using an FBG and a 45°TFG, in which the FBG was used for wavelength selection and the 45°TFG introduced a high polarization dependence loss in the laser cavity [24] .…”

Section: Application Of Single Polarization Fiber Lasermentioning

confidence: 99%

Theoretical and experimental analysis of second order Bragg resonance of 45° TFG and its fiber laser application

Song

Ye²,

Xiao

et al. 2022

Chin. Opt. Lett.

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We report the observation of second order Bragg resonance (2nd-OBG) produced by tilted fiber gratings (TFGs) fabricated using phase mask UV inscription. The theoretical analysis has revealed that the generation of high order Bragg resonance of gratings is induced by a square-shape refractive index profile, which is caused by over-saturated UV exposure. In the experiment, we have studied the TFGs with different tilt angles under over-saturated UV exposure, in which all gratings have showed the 2nd-OBR, and the larger tilt angle of the grating has the stronger 2nd-OBR. When the tilt angle of the grating is ∼45°, the Bragg resonance exhibits very strong polarization dependence, because the 2nd-OBR wavelength is located within the polarizing bandwidth of 45°TFG. Finally, we have demonstrated an erbium-doped fiber laser with > 99.9% degree of polarization, and, by applying mechanical stretching on the grating, a wavelength tunable laser output has been achieved. The output laser shows ∼0.2 dB amplitude variation within 1 h continuous monitoring of the laser.

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Section: Application Of Single Polarization Fiber Lasermentioning

confidence: 99%

Theoretical and experimental analysis of second order Bragg resonance of 45° TFG and its fiber laser application

Song

Ye²,

Xiao

et al. 2022

Chin. Opt. Lett.

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“…Compared with air-hole PBGFs, all-solid PBGFs show a great advantage to make all fiber system. They have been used as the gain medium in fiber lasers, which can suppress the amplified spontaneous emission and parasitic lasing [5], [6], and shape the pulses [7] thanks to the filtering effect of the bandgap. It is also interesting to investigate the role of the high loss region in the supercontinuum (SC) generation.…”

Section: Introductionmentioning

confidence: 99%

Intermodal Cherenkov Radiation Between Two Transmission Bandgaps in an All-Solid PBG Fiber

Huang

Fang

et al. 2014

IEEE Photon. Technol. Lett.

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We demonstrate nonlinear propagation of femtosecond laser pulses in an all-solid photonic bandgap fiber. A supercontinuum from 560 to 1470 nm is generated from this fiber with an average power of 2 W. Spectral broadening not only occurs within the first bandgap, where the pump laser lies, but it also emits a phase-matched dispersive wave in a different propagation mode within the adjacent bandgap. Energy transfers across the intergap attenuation region with simultaneous mode conversion in the nonlinear process. The intermodal Cherenkov radiation generated across two bandgaps by the perturbed Raman solitons can enrich the nonlinear process in the all-solid photonic bandgap fiber.Index Terms-Supercontinuum, all-solid photonic bandgap fiber, soliton self-frequency shift, Cherenkov radiation.

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“…However, the output powers of such fiber lasers without amplification are sufficiently lower. For instance, 10.8 W at 1180 nm were generated with the help of a photonic bandgap fiber [20]. Direct high power output from a laser is apparently attractive; also currently such specialty fibers are not commercially available.…”

Section: Introductionmentioning

confidence: 99%

YDFL Operating in 1150–1200-nm Spectral Domain

Dvoyrin

Medvedkov

Sorokina

2013

IEEE J. Quantum Electron.

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Over 10 W Output Linearly-Polarized Single-Stage Fiber Laser Oscillating Above 1160 nm Using Yb-Doped Polarization-Maintaining Solid Photonic Bandgap Fiber

Cited by 10 publications

References 18 publications

Theoretical and experimental analysis of second order Bragg resonance of 45° TFG and its fiber laser application

Theoretical and experimental analysis of second order Bragg resonance of 45° TFG and its fiber laser application

Intermodal Cherenkov Radiation Between Two Transmission Bandgaps in an All-Solid PBG Fiber

YDFL Operating in 1150–1200-nm Spectral Domain

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