Results 21 to 30 of about 2,372 (260)

Versatile tuning of Kerr soliton microcombs in crystalline microresonators

open access: yesCommunications Physics, 2023
High-repetition rate microresonator-based frequency combs offer powerful and compact optical frequency comb sources that are of great importance to various applications.
Shun Fujii   +6 more
doaj   +1 more source

Spectral Broadening in a Continuously Pumped Singly Resonant Second-Harmonic Cavity

open access: yesApplied Sciences, 2021
Optical frequency comb synthesizers with a wide spectral range are an essential tool for many research areas such as spectroscopy, precision metrology, optical communication, and sensing.
Simona Mosca   +2 more
doaj   +1 more source

Optimized frequency comb spectrum of parametrically modulated bottle microresonators

open access: yesCommunications Physics, 2023
“Previous studies investigating the creation of optical frequency combs through parametric modulation of microresonators rely on lumped-element models that do not consider how the modulations are spatially distributed.
Manuel Crespo-Ballesteros   +2 more
doaj   +1 more source

Optical Frequency Comb Generation based on Erbium Fiber Lasers

open access: yesNanophotonics, 2016
Optical frequency combs have revolutionized optical frequency metrology and are being actively investigated in a number of applications outside of pure optical frequency metrology. For reasons of cost, robustness, performance, and flexibility, the erbium
Droste Stefan   +4 more
doaj   +1 more source

Cavity-enhanced ultrafast two-dimensional spectroscopy using higher-order modes [PDF]

open access: yesEPJ Web of Conferences, 2019
We describe methods using frequency combs and cavities for recording two-dimensional ultrafast spectroscopy signals with high sensitivity. By coupling multiple frequency combs to modes of an optical resonator, cavity-enhanced 2D spectroscopy signals are ...
Thomas K. Allison
doaj   +1 more source

Dispersion engineering and measurement of whispering gallery mode microresonator for Kerr frequency comb generation

open access: yesNanophotonics, 2020
Designing and engineering microresonator dispersion are essential for generating microresonator frequency comb. Microresonator frequency combs (microcombs, Kerr frequency combs) offer the potential for various attractive applications as a new type of ...
Fujii Shun, Tanabe Takasumi
doaj   +1 more source

Evaluation of the influence of surface irregularity of optical crystal microresonators on their dispersion characteristics

open access: yesКомпьютерная оптика, 2023
Advantages and prospects of using optical microresonators for the development of measuring instruments based on frequency combs are described. A principle of a frequency comb generator based on an optical microresonator is considered.
A.N. Danilyn   +8 more
doaj   +1 more source

Impact of stimulated Raman scattering on dark soliton generation in a silica microresonator

open access: yesJPhys Photonics, 2022
Generating a coherent optical frequency comb at an arbitrary wavelength is important for fields such as precision spectroscopy and optical communications.
Gwangho Choi, Judith Su
doaj   +1 more source

An Investigation of All Fiber Free-Running Dual-Comb Spectroscopy

open access: yesSensors, 2023
A dual-comb spectroscopy (DCS) system uses two phase-locked optical frequency combs with a slight difference in the repetition frequency. The spectrum can be sampled in the optical frequency (OF) domain and reproduces the characteristics in the radio ...
Fu Yang   +7 more
doaj   +1 more source

Ultra-Dense CEO-Stabilized Broadband Optical Frequency Comb Generation Through Simple, Programmable, and Lossless 1000-Fold Frequency-Spacing Division

open access: yesIEEE Photonics Journal, 2019
Ultra-dense broadband optical frequency combs with sub-MHz frequency spacing and stabilized carrier-envelope offset (CEO) are needed for many important applications, including high-accuracy real-time sub-Doppler spectroscopy, precise characterization of ...
Xiao-Zhou Li   +4 more
doaj   +1 more source

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