Results 101 to 110 of about 4,961 (263)

Improvement of Distance Measurement Based on Dispersive Interferometry Using Femtosecond Optical Frequency Comb. [PDF]

Sensors (Basel), 2022
Niu Q, Song M, Zheng J, Jia L, Liu J, Ni L, Nian J, Cheng X, Zhang F, Qu X.   +9 more
europepmc   +1 more source

Ultrahigh‐Order Harmonic Mode‐Locked Optoelectronic Oscillator

Laser &Photonics Reviews, EarlyView.
This article demonstrates a record‐breaking microwave frequency comb generator using an ultrahigh‐harmonic‐order mode‐locked optoelectronic oscillator. By integrating dual recirculating loops into a low‐coherence system, the researchers achieved a harmonic order of 956 with superior noise suppression.
Zhuoran Wang, Santiago Bernal, David V. Plant, Lawrence R. Chen   +3 more
wiley   +1 more source

Dual-Comb Ranging

Engineering, 2018
Absolute distance measurement is a fundamental technique in mobile and large-scale dimensional metrology. Dual-comb ranging is emerging as a powerful tool that exploits phase resolution and frequency accuracy for high-precision and fast-rate distance ...
Zebin Zhu, Guanhao Wu
doaj   +1 more source

Broadband optical frequency comb generation based on single electro-absorption modulation driven by radio frequency coupled signals. [PDF]

Front Optoelectron, 2022
Jiang P, Li P, Fan Y.
europepmc   +1 more source

Three‐Dimensional Optical Characterization of Magnetostrictive Deformation in Magnomechanical Systems

Laser &Photonics Reviews, EarlyView.
An optical approach is proposed for real‐time and high‐precision detection of the magnetostrictive deformation of an yttrium‐iron‐garnet sphere in three dimensions, based on the deformation induced spatial high‐order modes of the scattered field, postselection, and balanced homodyne detection.
Xiaomin Liu, Jing Zhang, Jie Li, Rongguo Yang, Jiangrui Gao, Tiancai Zhang   +5 more
wiley   +1 more source

Optical coherence tomography imaging and noise characterization based on 1-μm microresonator frequency combs

APL Photonics
Spectral-domain optical coherence tomography is a pervasive, non-invasive, in vivo biomedical imaging platform that currently utilizes incoherent broadband superluminescent diodes to generate interferograms from which depth and structural information are
T. Melton, J. F. McMillan, J. Yang, W. Wang, Y. Lai, M. Gerber, M. Rodriguez, J. P. Hubschman, K. Nouri-Mahdavi, C. W. Wong   +9 more
doaj   +1 more source

Design of Broadband Flat Optical Frequency Comb Based on Cascaded Sign-Alternated Dispersion Tellurite Microstructure Fiber. [PDF]

Micromachines (Basel), 2021
Huang G, Fu M, Qi J, Pan J, Yi W, Li X.
europepmc   +1 more source

Broadband Parametric Amplification in AlGaAs‐on‐Insulator Nanowaveguides

Laser &Photonics Reviews, EarlyView.
Harnessing the exceptional nonlinearity of AlGaAs‐on‐insulator nanowaveguides, four‐wave‐mixing parametric amplification achieves a record net on‐chip gain of 56 dB and a gain bandwidth exceeding 415 nm at telecom wavelengths. These results establish AlGaAsOI as a powerful platform for compact, high‐performance integrated nonlinear optical ...
Yanjing Zhao, Chanju Kim, Yi Zheng, Chaochao Ye, Yueguang Zhou, Kresten Yvind, Minhao Pu   +6 more
wiley   +1 more source

Freely controllable single-optical-frequency comb for highly sensitive cavity ring-down spectroscopy

Scientific Reports
Direct comb spectroscopy is a powerful tool for obtaining highly accurate spectroscopic information. However, because the number of comb modes is extremely large, the optical energy is distributed over many modes, resulting in ultrasmall optical power ...
Norihiko Nishizawa, Shotaro Kitajima, Ningwu Liu, Ryohei Terabayashi, Daiki Hashimoto, Hisashi Abe, Hideki Tomita   +6 more
doaj   +1 more source

Frontiers of Bright CEP‐Stable Broadband Infrared Sources

Laser &Photonics Reviews, EarlyView.
Bright CEP‐stable broadband infrared sources push the limits of ultrafast science by delivering exceptional brightness alongside few‐cycle durations and multi‐octave spectral coverage. This review highlights emerging architectures and nonlinear conversion strategies that scale power while preserving phase stability.
Ugaitz Elu, Jens Biegert
wiley   +1 more source