Jian Xu
8 Papers
Jian Xu is an academic researcher. The author has contributed to research in topics: Pulsar & Laser linewidth. The author has an hindex of 1, co-authored 2 publications.
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Papers
Searching for the Nano-Hertz Stochastic Gravitational Wave Background with the Chinese Pulsar Timing Array Data Release I
Heng Xu,Siyuan Chen,Yanjun Guo,Jinchen Jiang,Bojun Wang,Jian Xu,Zihan Xue,Jian-Ping Yuan,Yonghua Xu,Jingbo Wang,Longfei Hao,Jingtao Luo,Kejia Lee,Jin-Lin Han,Peng Jiang,Zhi-Qiang Shen,Min Wang,Na Wang,Renxin Xu,Xin Wu,Richard N. Manchester,Lei Qin,X. Guan,Meng-Lin Huang,Chun Sun,Yan-Bo Zhu +25 more
TL;DR: In this paper , the Chinese Pulsar Timing Array (CPTA) data was used for the direct detection of gravitational waves (GWs) from the spatial correlations encoded in the times-of-arrival of widely spaced pulsar-pairs.
Wavelength-Tunable Narrow-Linewidth Laser Diode Based on Self-Injection Locking with a High-Q Lithium Niobate Microring Resonator
Ting Huang,Yu Ma,Zhiwei Fang,Junxia Zhou,Yuan Zhou,Zhe Wang,Jian Yong Liu,Zhenhua Wang,Haisu Zhang,Min Wang,Jian Xu,Yan-hong Cheng +11 more
TL;DR: In this article , the authors demonstrate a narrow linewidth 980 nm laser by self-injection locking of an electrically pumped distributedfeedback (DFB) laser diode to a high quality (Q) factor (>105) lithium niobate (LN) microring resonator.
PSR B0943+10: Mode Switch, Polar Cap Geometry, and Orthogonally Polarized Radiation
Shunshun Cao,Jinchen Jiang,J. Dyks,Long-Fei Hao,Kejia Lee,Zhixuan Li,Jiguang Lu,Zhichen Pan,Weiyang Wang,Zhengli Wang,Jian Xu,Heng Xu,Renxin Xu +12 more
TL;DR: PSR B0943+10 exhibits mode switch, orthogonal polarization, and subpulse drifting at 1.25 GHz, with phase space evolution showing a strange-attractor-like pattern, and radiative geometry proposed through polarization position angle fitting and sparking location mapping.
The Chinese pulsar timing array data release I. Polarimetry for 56 millisecond pulsars
Jian Xu,Jinchen Jiang,Heng Xu,BoJun Wang,Siyuan Chen,Yanjun Guo,R. Nicolas Caballero,Kejia Lee,Jianping Yuan,Yonghua Xu,Jingbo Wang,Zhixuan Li,Yuxiang Huang,Zezhong Xu,Jintao Luo,Jinlin Han,Peng Jiang,Zhiqiang Shen,Min Wang,Na Wang,Renxin Xu,Xiangping Wu,Youling Yue,Xin Guan,Menglin Huang,Chun Sun,Yan-Bo Zhu +26 more
- 19 Feb 2025
Polarization Position Angle Swing and the Rotating Vector Model of Repeating Fast Radio Bursts
Xiaohui Liu,Heng Xu,Jiarui Niu,Yongkun Zhang,Jinchen Jiang,Dejiang Zhou,JinLin Han,Weiwei Zhu,Kejia Lee,Di Li,Weiyang Wang,Bing Zhang,Xuelei Chen,Jia-Wei Luo,Rui Luo,Chen-hui Niu,Yuanhong Qu,Bojun Wang,Fayin Wang,Pei Wang,Tiancong Wang,Qin Wu,Ziwei Wu,Jian Xu,Yuan-Pei Yang,Junshuo Zhang +25 more
TL;DR: Systematic analysis of 1727 repeating FRB bursts reveals 46 with PA variations consistent with the Rotating Vector Model, but inconsistent geometrical parameters and rotation periods suggest a dynamically evolving magnetosphere.