Dual-comb spectroscopy has been developed into a high-precision technique that is capable of sensing many important species samples, such as methane. Recent studies on single-cavity, dual-comb light sources further reduce the system complexity schemes. In contrast to previous demonstrations around lasing spectrum, this work significantly expands spectral coverage setup using one free-running laser region far beyond laser's emission wavelengths. Nonlinear wavelength conversion based soliton...

Under the dual-carbon background, China's government actively promotes carbon emission reduction, and value connotation of high-energy-consuming high-emission paper enterprises has also changed. The a company not only includes traditional economic value, but should consider environmental benefits due to policy-driven. Based on EVA model, this introduces Monte Carlo simulation determine predicted combines it with analysis further improve green performance evaluation system measure...

We present a spatial-domain fiber cavity ring-down (CRD) technique that does not require optical pulses for time-resolved detection. Instead of measuring the intensity decay rate an pulse in time domain as conventional CRD experiments, we measure CW signal (RDC) using frequency-shifted interferometry spatial domain, function distance traveled by light. As proof-of-concept demonstration, measured bend loss loop RDC this technique, and change low 0.0135 dB induced every turn on mandrel was...

Distributed sensing plays an important role in many industrial applications. Sensor arrays consisting of identical ultraweak fiber Bragg gratings can be applied to such scenarios by monitoring the optical spectral response sensors. Yet, spatial resolution, sampling speed, and supported number sensors array are mostly determined interrogation scheme. While dual-optical frequency comb techniques had been successfully demonstrated as a high-resolution spectroscopic technique metrology, it...

By introducing an additional comb beyond its dual-comb predecessor, tri-comb consisting of three combs with different mode spacing has shown unique potential in several metrology areas such as nonlinear spectroscopy, frequency, and distance measurement. However, generation based on frequency-stabilized lasers would be overly complicated costly for many applications. Previous studies had realized from a single-cavity laser by leveraging multiplexing one the waveguiding dimensions optical...

Micro-coiled chiral carbon fibers are modified by nano-Ni. X-ray diffraction (XRD) and scanning electron microscopy (SEM) used to compare the composition morphology of unmodified fibers. The results show that electromagnetism parameters different from those unmodified. After modification nano-Ni, micro-coiled have decreased permittivity electrical loss. permeability magnetic loss become larger than ones. Moreover, into is much like changing hollow electric windings with cores inside....

To efficiently realize the parallel task scheduling of SaaS platform in large-scale cloud service environment, this paper studies algorithm based on dynamic adaptive particle swarm optimization environment. Users access through user interface module, and issue instructions or send requests. After management module provides diversified application support according to requirements, core determines objective function, uses solve function obtain results. The test results show that has better...

Photonic schemes to solve the Nondeterministic Polynomial-Complete (NP-C) problems could be an interesting alternative such computationally intensive tasks. Previous studies had shown that they can solved by measuring propagation delays through optical oracle corresponding NP-C problem. However, tackle a problem with large instance, previous face significant challenges achieve measurement range, fast speed and high resolution, simultaneously. In this work, we propose solver based on...

Temporally and spatially modulated Fourier transform imaging spectrometers (TSMFTISs) can obtain images interference information of targets during the data acquisition process for remote sensing. play an important role in target classification identification, as spectrum be reconstructed with theory spectroscopy. However, defect pixels absent planar array charge-coupled device used have a significant impact on accuracy spectral recovery information, so preprocessing bad sensing is...

An absolute distance measurement scheme based on a single triple-comb mode-locked fiber laser is demonstrated. It can realize much longer ambiguity range for real-time with very simple fiber-optic system setup. © 2019 The Author(s)

By tapping into multiple wave-guiding dimensions in optical fiber, it is demonstrated that up to four wavelength/polarization multiplexed, asynchronous ultrashort pulse sequences can be generated with good stability from an all-fiber, ring-cavity, mode-locked fiber laser.

A correction method based on data reconstruction and restoration applied to interference-modulated images acquired with airborne Fourier Transform Imaging Spectrometers are introduced. Simulations done discussed demonstrated the proposed method.

Get PDF Email Share with Facebook Tweet This Post on reddit LinkedIn Add to CiteULike Mendeley BibSonomy Citation Copy Text Q. Li, C. Zhang, K. Y. Cheung, Qiu, Tsia, Wong, F. A. P. T. Lau, and Wai, "Control of Optical Rogue Waves in Supercontinuum Generation a Minute Continuous Wave," CLEO:2011 - Laser Applications Photonic Applications, OSA Technical Digest (CD) (Optica Publishing Group, 2011), paper JThB61. Export BibTex Endnote (RIS) HTML Plain alert Save article

Using a single-cavity, dual-comb fiber laser, single-pixel 3D profiling is demonstrated with simple and compact setup. Sub-millimeter resolution achievable the ranging scheme can be attractive to many applications.

By tapping into multiple wave-guiding dimensions in optical fiber, it is demonstrated that up to four wavelength/polarization multiplexed, asynchronous ultrashort pulse sequences can be generated with good stability from an all-fiber, ring-cavity, mode-locked fiber laser.

A scheme using a simple dual-comb fiber laser to solve large instance NP-C problems is demonstrated based on asynchronous sampling measurement of pulse delays through network, and picosecond resolution, nanosecond range are achieved.

Enabled by a simple fiber-optic setup, interrogation of large identical weak FBG arrays can be realized using the dual-comb spectroscopy scheme. Unique performance including high spatial/spectral resolution and fast sampling rate is achieved.

We numerically demonstrate the active control of picosecond pulse pumped supercontinuum generation in silicon-nanocrystal-based slot waveguide.