Behavioral similarity of dissipative solitons in an ultrafast fiber laser

Yu, Ying; Kong, Chen; Li, Bowen; Kang, Jiqiang; Ren, Yu-Xuan; Luo, Zhi‐Chao; Wong, Kenneth K. Y.

doi:10.1364/ol.44.004813

Cited by 25 publications

(10 citation statements)

References 24 publications

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“…The counterpart of the spatial non-diffracting beam is the pulsed non-diffracting beam. The ultrashort-pulsed laser could be achieved in the fiber laser using the mode-locking achieved by a saturable absorber or nonlinear polarization rotation [56][57][58]. The pulsed nondiffracting beam includes the pulsed laser beam with the spatially non-diffracting feature or the temporally non-dispersive beam.…”

Section: Pulsed Non-diffracting Beamsmentioning

confidence: 99%

Non-Diffracting Light Wave: Fundamentals and Biomedical Applications

Ren

Tang

et al. 2021

Front. Phys.

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The light propagation in the medium normally experiences diffraction, dispersion, and scattering. Studying the light propagation is a century-old problem as the photons may attenuate and wander. We start from the fundamental concepts of the non-diffracting beams, and examples of the non-diffracting beams include but are not limited to the Bessel beam, Airy beam, and Mathieu beam. Then, we discuss the biomedical applications of the non-diffracting beams, focusing on linear and nonlinear imaging, e.g., light-sheet fluorescence microscopy and two-photon fluorescence microscopy. The non-diffracting photons may provide scattering resilient imaging and fast speed in the volumetric two-photon fluorescence microscopy. The non-diffracting Bessel beam and the Airy beam have been successfully used in volumetric imaging applications with faster speed since a single 2D scan provides information in the whole volume that adopted 3D scan in traditional scanning microscopy. This is a significant advancement in imaging applications with sparse sample structures, especially in neuron imaging. Moreover, the fine axial resolution is enabled by the self-accelerating Airy beams combined with deep learning algorithms. These additional features to the existing microscopy directly realize a great advantage over the field, especially for recording the ultrafast neuronal activities, including the calcium voltage signal recording. Nonetheless, with the illumination of dual Bessel beams at non-identical orders, the transverse resolution can also be improved by the concept of image subtraction, which would provide clearer images in neuronal imaging.

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Section: Pulsed Non-diffracting Beamsmentioning

confidence: 99%

Non-Diffracting Light Wave: Fundamentals and Biomedical Applications

Ren

Tang

et al. 2021

Front. Phys.

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“…Finally, over the last decade, several works have demonstrated a wide variety of bidirectional lasers operation wavelength, such as at 1.55 and 2 μm in Tm-doped fibre lasers [ 189 , 190 , 191 ], and mode-locked pulse generation regimes by varying net cavity dispersion [ 192 , 193 , 194 ]. However, according to the Sagnac Equations ( 3 ) and ( 4 ), the application of shorter operation wavelengths is more beneficial for increasing the overall sensitivity to rotation.…”

Section: Ultrafast Lasersmentioning

confidence: 99%

Rotation Active Sensors Based on Ultrafast Fibre Lasers

Kudelin

Sugavanam

Chernysheva

2021

Sensors

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Gyroscopes merit an undeniable role in inertial navigation systems, geodesy and seismology. By employing the optical Sagnac effect, ring laser gyroscopes provide exceptionally accurate measurements of even ultraslow angular velocity with a resolution up to 10−11 rad/s. With the recent advancement of ultrafast fibre lasers and, particularly, enabling effective bidirectional generation, their applications have been expanded to the areas of dual-comb spectroscopy and gyroscopy. Exceptional compactness, maintenance-free operation and rather low cost make ultrafast fibre lasers attractive for sensing applications. Remarkably, laser gyroscope operation in the ultrashort pulse generation regime presents a promising approach for eliminating sensing limitations caused by the synchronisation of counter-propagating channels, the most critical of which is frequency lock-in. In this work, we overview the fundamentals of gyroscopic sensing and ultrafast fibre lasers to bridge the gap between tools development and their real-world applications. This article provides a historical outline, highlights the most recent advancements and discusses perspectives for the expanding field of ultrafast fibre laser gyroscopes. We acknowledge the bottlenecks and deficiencies of the presented ultrafast laser gyroscope concepts due to intrinsic physical effects or currently available measurement methodology. Finally, the current work outlines solutions for further ultrafast laser technology development to translate to future commercial gyroscopes.

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“…Further progress in bidirectional ultrafast fibre laser development demonstrated their potential for applications in detecting angular movements [25][26][27] and dual-comb spectroscopy 28,29 . Y. Yu et al demonstrated the similarity of dissipative solitons build-up dynamics in bidirectional mode-locked laser with normal-net cavity dispersion 30 . Still, the reports on the fundamentals of bidirectional ultrafast generation are rare.…”

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confidence: 99%

Pulse-onset dynamics in a bidirectional mode-locked fibre laser via instabilities

2020

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Real-time observation of the emergence of coherent structures from noise via instabilities is of particular interest across disciplines ranging from biology to astrophysics. In the context of photonics, ultrafast fibre lasers provide an ideal test-bed for experimental observation of dynamical instabilities and generation of coherent structures of ultrashort pulses. Here we present experimentally obtained switch-on dynamics of counter-propagating ultrashort pulses in a bidirectional mode-locked fibre laser with delayed pulse formation via Q-switched and modulation instabilities, pronounced central wavelength drift, with the multiple-pulse formation. We define a localisation parameter using the round-trip resolved autocorrelation function to quantify the extent of the pulse formation, indicating an energy interchange between coherent features and background radiation. Furthermore, we report the formation of synchronised and unsynchronised dispersion waves. Our results reveal the complexity of the establishment of coherent features and their interaction with background radiation, contributing further towards the understanding of nonlinear systems in general.

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Behavioral similarity of dissipative solitons in an ultrafast fiber laser

Cited by 25 publications

References 24 publications

Non-Diffracting Light Wave: Fundamentals and Biomedical Applications

Non-Diffracting Light Wave: Fundamentals and Biomedical Applications

Rotation Active Sensors Based on Ultrafast Fibre Lasers

Pulse-onset dynamics in a bidirectional mode-locked fibre laser via instabilities

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