Results 51 to 60 of about 1,672 (219)
Chip-based optical frequency combs for high-capacity optical communications
Nanophotonics, 2021 Current fibre optic communication systems owe their high-capacity abilities to the wavelength-division multiplexing (WDM) technique, which combines data channels running on different wavelengths, and most often requires many individual lasers.
Hu Hao, Oxenløwe Leif K.
doaj +1 more source
Frequency comb generation by Bloch gain induced giant Kerr nonlinearity [PDF]
, 2021 Optical nonlinearities are known to provide a coherent coupling between the amplitude and phase of the light, which can result in the formation of periodic waveforms. Lasers that emit such waveforms are referred to as optical frequency combs.
Benedikt Schwarz (3201864) +3 more
core +1 more source
Stepped-Frequency THz-wave Signal Generation From a Kerr Microresonator Soliton Comb [PDF]
, 2023 Optically generated terahertz (THz) oscillators have garnered considerable attention in recent years due to their potential for wide tunability and low phase noise.
Nawwar, Omnia +2 more
core +4 more sources
Dynamics of Dark Pulse Affected by Higher-Order Effects in Microresonators
IEEE Photonics Journal, 2023 We theoretically investigate dynamics of dark pulse and Raman-Kerr microcombs generation influenced by higher-order effects, including high-order dispersion (HOD), stimulated Raman scattering (SRS) and self-steepening (SS) effects in silicon ...
Wenmi Shi +7 more
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Quasi-phase-matched multispectral Kerr frequency comb
Optics Letters, 2017 We study a new type of Kerr frequency comb where the momentum conservation law is fulfilled by azimuthal modulation of the waveguide dispersion. The concept can expand the parametric range in which a Kerr frequency comb is obtained. In a good agreement with the theoretical analysis, we demonstrate a multispectral Kerr frequency comb covering important ...
Shu-Wei, Huang +5 more
openaire +2 more sources
Efficient Design for Integrated Photonic Waveguides with Agile Dispersion
Sensors, 2021 Chromatic dispersion engineering of photonic waveguide is of great importance for Photonic Integrated Circuit in broad applications, including on-chip CD compensation, supercontinuum generation, Kerr-comb generation, micro resonator and mode-locked laser.
Zhaonian Wang +4 more
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Guiding and Manipulating Light Fields in Microstructured Liquid Crystals
Advanced Physics Research, EarlyView.This review summarizes recent advances in guided‐wave optics enabled by microstructured liquid crystal (LC) devices, covering their fundamental material properties, key degree of freedom for dynamic light field manipulations. The advances of linear guided‐wave optics, nonlinear‐optics with spatial optical solitons, and microlasers in LC‐based devices ...
Shan‐shan Chang +2 more
wiley +1 more source
Photonic chip-based soliton frequency combs covering the biological imaging window
Nature Communications, 2018 Dissipative Kerr solitons in optical microresonators provide excellent optical frequency comb sources for precision metrology and imaging techniques. Here, Karpov et al.
Maxim Karpov +4 more
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Analysis of Mode Coupling Assisted Kerr Comb Generation in Normal Dispersion System
IEEE Photonics Journal, 2018 By using nonlinear coupled mode equations, we numerically investigated the generation of a Kerr comb in a normal dispersion microcavity system, where mode coupling between two cavity modes is present.
Shun Fujii +6 more
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Evidence for adaptive explanations of semelparity in animals
Biological Reviews, EarlyView.ABSTRACT Semelparity, the reproductive strategy of reproducing once, is widespread but uncommon in animals. Classes of models to explain the evolution of semelparity are based either on age structure and mortality schedules – demographic models in which high post‐reproductive mortality risk favours high reproductive effort and semelparity results from ...
Diana O. Fisher +1 more
wiley +1 more source