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Synthetic reflection self-injection-locked microcombs
Laser-driven microresonators have enabled chip-integrated light sources with unique properties, including the self-organized formation of ultrashort...
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Photonic-crystal lasers with two-dimensionally arranged gain and loss sections for high-peak-power short-pulse operation
Realizing high-peak-power (tens to hundreds of watts or higher) short-pulse (tens of picoseconds or less) operation in semiconductor lasers is...
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Formation of Low-Coherent Beams in Nd:YVO4 and Nd:YAG Lasers
Lasers with low-coherent radiation have attracted the attention since the first publications on this topic in the 1960s and up to the present time,...
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Broadening of Gain and Its Bearing on the Laser Subtleties
Based upon the mechanism that controls the lifetime of the excited states, the broadening of gain can be categorized as either homogeneous or...
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Implementation of the Regeneration Regime in the Process of Generating Extremely Short Pulses in an Nd3+: YAG Laser with a Passive Shutter
AbstractWe report experimental results of using the resonator-loss-unloading method to implement relaxation properties of a passive shutter in an Nd 3+...
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Localization–delocalization transitions in non-Hermitian Aharonov–Bohm cages
A unique feature of non-Hermitian systems is the extreme sensitivity of the eigenspectrum to boundary conditions with the emergence of the...
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Replica symmetry breaking in 1D Rayleigh scattering system: theory and validations
Spin glass theory, as a paradigm for describing disordered magnetic systems, constitutes a prominent subject of study within statistical physics....
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On-Chip Nanoscale Light Sources
As technology continues to require faster and more energy-efficient chip-scale communication, the carrier of information is evolving from electrons...
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Plasmonic nano-laser at 675 nm for biomedical applications
In the recent era, extensive research has been taken up for development of ultra-small lasers using plasmon in place of photonic fields. Plasmonic...
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A high power and repetition rate wavelength tunable actively mode-locked Holmium-doped fiber laser for bidirectional transmission between two HAPS
The optical transmission window around 2000 nm is getting significant attention for terrestrial and deep-space communication due to lowest...
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Anderson localization of electromagnetic waves in three dimensions
Anderson localization is a halt of diffusive wave propagation in disordered systems. Despite extensive studies over the past 40 years, Anderson...
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ALL-FIBER ERBIUM LASER WITH INTRACAVITY MACH–ZEHNDER INTERFEROMETER
AbstractThe all-fiber pulsed erbium laser with intracavity Mach–Zehnder modulator, operating in the Q-switching mode, is implemented. Stable modes of...
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Coexistence of Coherent Pulses Formed by Superradiant and Quasi-Stationary Modes in a Laser with Low-Q Cavity
We perform numerical simulation and qualitative analysis of the earlier-predicted simultaneous generation of different quasiperiodic pulse trains in...
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Parametrically driven Kerr cavity solitons
Cavity solitons are optical pulses that propagate indefinitely in nonlinear resonators. They are attracting attention, both for their many potential...
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Quantum-Dot Lasers
The reduction of the active region of semiconductor lasers to quasi-zero dimensions has different effects on static and dynamic laser parameters as...
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Frequency-tunable continuous-wave random lasers at terahertz frequencies
Random lasers are a class of devices in which feedback arises from multiple elastic scattering in a highly disordered structure, providing an almost...
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Temporal solitons in a coherently driven active resonator
Optical frequency combs are lightwaves composed of a large number of equidistant spectral lines. They are important for metrology, spectroscopy,...
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X-ray Bursts from a Random Cavity Emerging in an Inter-Electrode Polydisperse Plasma of Nanosecond Vacuum Discharge. I. Experiment: Generation, Release, and Trap** of X rays
Earlier, in experiments on DD synthesis in a complex plasma of a nanosecond vacuum discharge (NVD) with a virtual cathode, in parallel, a significant...
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Different Types of Lasers
The birth of lasers in 1960 has led to an unprecedented proliferation of research activity across the globe aimed at amplifying light in a wide...