PaxosStore: high-availability storage made practical in WeChat

J Zheng, Q Lin, J Xu, C Wei, C Zeng, P Yang… - Proceedings of the …, 2017 - dl.acm.org
In this paper, we present PaxosStore, a high-availability storage system developed to support
the comprehensive business of WeChat. It employs a combinational design in the storage …

High-brightness switchable multiwavelength remote laser in air

J Yao, B Zeng, H Xu, G Li, W Chu, J Ni, H Zhang… - Physical Review A …, 2011 - APS
We demonstrate a harmonic-seeded switchable multiwavelength laser in air driven by intense
midinfrared femtosecond laser pulses, in which population inversion occurs at an ultrafast …

Population redistribution among multiple electronic states of molecular nitrogen ions in strong laser fields

J Yao, S Jiang, W Chu, B Zeng, C Wu, R Lu, Z Li, H Xie… - Physical review …, 2016 - APS
We carry out a combined theoretical and experimental investigation on the population
distributions in the ground and excited states of tunnel-ionized nitrogen molecules at various …

A review on the bioenergetics of anaerobic microbial metabolism close to the thermodynamic limits and its implications for digestion applications

…, L Xu, WH Chen, J Dolfing, D Li, Y Zhang, H Zeng… - Bioresource …, 2018 - Elsevier
The exploration of the energetics of anaerobic digestion systems can reveal how microorganisms
cooperate efficiently for cell growth and methane production, especially under low-…

Rotational Coherence Encoded in an “Air-Laser” Spectrum of Nitrogen Molecular<? format?> Ions in an Intense Laser Field

H Zhang, C Jing, J Yao, G Li, B Zeng, W Chu, J Ni… - Physical Review X, 2013 - APS
We investigate lasing action in aligned nitrogen molecular ions ( N 2 + ) produced in an intense
laser field. We find that, besides the population inversion between the B 2 Σ u + - X 2 Σ g …

Remote creation of coherent emissions in air with two-color ultrafast laser pulses

J Yao, G Li, C Jing, B Zeng, W Chu, J Ni… - New journal of …, 2013 - iopscience.iop.org
We experimentally demonstrate the generation of narrow-bandwidth emissions with excellent
coherent properties at∼ 391 and∼ 428 nm from N 2+(B 2 Σ u+(v'= 0)→ X 2 Σ g+(v= 0, 1)) …

Signature of superradiance from a nitrogen-gas plasma channel produced by strong-field ionization

G Li, C Jing, B Zeng, H Xie, J Yao, W Chu, J Ni… - Physical Review A, 2014 - APS
Recently, Yao et al. demonstrated the creation of coherent emissions in nitrogen gas with
two-color (800 nm + 400 nm) ultrafast laser pulses [ J. Yao , G. Li , C. Jing , B. Zeng , W. Chu , J. …

Identification of the physical mechanism of generation of coherent N2+ emissions in air by femtosecond laser excitation

J Ni, W Chu, C Jing, H Zhang, B Zeng, J Yao, G Li… - Optics express, 2013 - opg.optica.org
Recently, amplification of harmonic-seeded radiation generated through femtosecond laser
filamentation in air has been observed, giving rise to coherent emissions at wavelengths …

Femtosecond laser filament array generated with step phase plate in air

H Gao, W Chu, G Yu, B Zeng, J Zhao, Z Wang, W Liu… - Optics express, 2013 - opg.optica.org
Femtosecond laser filament arrays are generated in air by using three kinds of step phase
plates with π phase lag, namely, the semicircular phase plate (SCPP), the quarter-circle …

Simple method of measuring laser peak intensity inside femtosecond laser filament in air

S Xu, X Sun, B Zeng, W Chu, J Zhao, W Liu… - Optics …, 2011 - opg.optica.org
Measurement of laser intensity inside a femtosecond laser filament is a challenging task. In
this work, we suggest a simple way to characterize laser peak intensity inside the filament in …