All-Polarization Maintaining Fiber Laser and Pulse Compressor

Xu, Bo; Martínez, Amós; Set, Sze Yun; Yamashita, Shinji

doi:10.1109/lpt.2018.2879618

Cited by 5 publications

(3 citation statements)

References 30 publications

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“…Bandpass filtering is essential to guarantee stable dissipative soliton operation in such schemes, as it compensates the pulse broadening induced by the combined actions of dispersion and Kerr nonlinearity, thus stabilizing pulse duration over successive round-trips [2,6]. For this reason, most ANDi laser schemes include a narrow (∼1-10-nm bandwidth) bandpass filter [7][8][9][10][11][12][13][14][15][16]. The finite bandwidth of the gain medium (and other laser components) can play the role of a bandpass filter, thus avoiding the inclusion of a physical filter, however ytterbium-doped fiber gain is broadband; still, a growing number of papers report stable pulsed operation in this regime without the inclusion of a narrow filter [17][18][19][20][21][22].…”

Section: Introductionmentioning

confidence: 99%

Incipient mode locking dynamics in an all-normal dispersion ytterbium-doped fiber ring laser

Carrasco-Ramirez

Pottiez

Bracamontes-Rodríguez

et al. 2020

Laser Phys. Lett.

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In this work we study experimentally the temporal dynamics of an all-normal dispersion all-fiber ring laser far from stable mode locking. Temporal mapping relying on segmented memory capabilities of a fast oscilloscope is used for this purpose. A regime is found where radiation fills the cavity and is characterized by peaks that successively emerge, grow in amplitude while compressing temporally, before decaying abruptly, and localized low-intensity components mediating their interactions across the cycles. The highest-amplitude peaks ephemerally dominate intracavity radiation, before being superseded by other emerging peaks. As radiation covers the whole period and no permanent pulse ever emerges, the regime can be viewed as an intermediate stage between continuous-wave and mode locking operations. The interest of using segmented memory possibilities for proper characterization of this unconventional regime is highlighted.

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Section: Introductionmentioning

confidence: 99%

Incipient mode locking dynamics in an all-normal dispersion ytterbium-doped fiber ring laser

Carrasco-Ramirez

Pottiez

Bracamontes-Rodríguez

et al. 2020

Laser Phys. Lett.

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“…Here we review our most recent works in the field of passively mode-locked ytterbiumdoped fiber lasers delivering DSs light pulses, in two different cavity configurations, namely fiber-ring and Fabry-Perot [8,9]. Further, the different DSs PM fiber lasers presented to date all have in common the use of strong filtering within the cavity by using either bandpass pigtailed PM filters, tilted fiber Bragg gratings, or chirped fiber Bragg gratings [10,11,12,13,14,15,16,17]. Examples in the literature without a specific filter in an ANDi PM Yb-doped fiber laser are scarce, and with output light pulses well in the nanoseconds range [18].…”

Section: Introductionmentioning

confidence: 99%

All Polarization-maintaining Passively Mode-locked Ytterbium-doped Fiber Lasers, Behavior under Two Different Cavity Configurations

Cuadrado-Laborde

Carrascosa

Dı́ez

et al. 2020

Fiber and Integrated Optics

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In this work, we review our recent investigations on the behavior of a polarizationmaintaining passively mode-locked ytterbium-doped laser in two different cavity configurations, namely: fiber-ring (FR) and Fabry-Perot (FP). Opposed to standard configurations that rely on the use of strong filtering within the cavity by including an ad hoc component with this purpose, here the filtering action is solely performed by the spectral overlapping of the different components within the fiber lasers. We found that the lack of a specific filter within the cavity does not deteriorate the performance as compared with previous works. We also report the changes in the output light pulses when the net dispersion of the cavity was varied. Additionally, different lengths of an ad hoc anomalous polarization-maintaining (PM) photonic crystal fiber (PCF) were used as intracavity dispersion compensator, to shift the operation of the laser from net-normal to the netanomalous regime. The shortest output light pulses [6 ps (FR) and 8 ps (FP)] were obtained when the net-cavity dispersion approached zero. Since the obtained light pulses were far to be transform-limited, we also discuss the possibility of out-of-cavity recompression by using the same PM-PCF mentioned above. After recompression, pulse widths of 3 ps were obtained, limited by the available length of PM PCF.

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“…To achieve pulse compression in all-fiber structure, special fiber and fiber components with anomalous dispersion at 1 µm, such as photonic crystal fiber (PCF) [14], photonic bandgap fiber (PBF) [15,16], tapered single-mode fiber (TSMF) [17] and chirped fiber Bragg grating (CFBG) [18], are successfully used in Yb-fiber laser for dispersion compensation. Among these components, PCFs with different structures exhibit flexible dispersion, which have proved to be an effective way to compensate the normal dispersion introduced by silica fiber in both intracavity and extracavity [19,20]. The achievement of anomalous group velocity dispersion (GVD) at near-infrared wavelength in pure silica PCFs results from small mode field area (MFD), which limits the peak power of laser pulse to avoid unnecessary nonlinear effects.…”

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confidence: 99%

All-fiber supercontinuum source operating at 1 μm with combination of different PCFs

et al. 2022

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We demonstrate an all-fiber scheme for generating supercontinuum spectrum based on a combination method. The configuration employed a nonlinear photonic crystal fiber for dispersion pre-management, an Yb-doped gain fiber for amplification and a special tapered photonic crystal fiber for supercontinuum generation. This setup allows for the generation of highly coherent supercontinuum with 30-dB bandwidth covering from 800 to 1240 nm as well as dispersive waves at 480 nm and 540 nm. The initial pulses were centered at 1030 nm with average power of 90 mW and repetition rate of 216 MHz. Based on the generated supercontinuum and dispersive waves at 540 nm, an envelope-carrier phase offset frequency with signal to noise ratio up to 37 dB was detected by a standard f-2f interferometer. The high signal to noise ratio shows that the infrared supercontinuum and the dispersive waves were highly coherent. Such a robust supercontinuum source achieved at low energy would promote the application of laser comb in precision measurement.

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All-Polarization Maintaining Fiber Laser and Pulse Compressor

Cited by 5 publications

References 30 publications

Incipient mode locking dynamics in an all-normal dispersion ytterbium-doped fiber ring laser

Incipient mode locking dynamics in an all-normal dispersion ytterbium-doped fiber ring laser

All Polarization-maintaining Passively Mode-locked Ytterbium-doped Fiber Lasers, Behavior under Two Different Cavity Configurations

All-fiber supercontinuum source operating at 1 μm with combination of different PCFs

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