国家自然科学基金(60837004)

作品数：16被引量：36H指数：4
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相关作者：党安红郭弘韩定安韦韦刘钰更多>>
相关机构：北京大学佛山科学技术学院更多>>
相关期刊：《科学通报》《Optoelectronics Letters》《Chinese Physics B》《Chinese Optics Letters》更多>>
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Faraday anomalous dispersion optical filter at 133Cs weak 459 nm transition被引量：4
《Photonics Research》2015年第5期275-278,共4页Xiaobo Xue Duo Pan Xiaogang Zhang Bin Luo Jingbiao Chen Hong Guo 
supported by the National Science Fund for Distinguished Young Scholars of China (grant no. 61225003);the National Natural Science Foundation of China (grant nos. 61101081, 60837004, and 61401036);the National Hi-Tech Research and Development (863) Program
A 459 nm Faraday anomalous dispersion optical filter（FADOF） working at the side wings of the cesium6S1∕2→ 7P1∕2transition with weak oscillator strength is achieved. The transmittance of the higher side wing reach...
关键词：FADOF WORK Faraday anomalous dispersion optical filter at Cs weak 459 nm transition 
Flattened optical frequency-locked multi-carrier generation by cascading one directly modulated laser and one phase modulator
《Chinese Optics Letters》2013年第11期33-37,共5页余建国 李欣颖 余建军 迟楠 
supported by the National Natural Science Foundation of China(Nos.61107064,61177071,60837004,and 61250018);the National High Technology Research and Development Program of China(Nos.2011AA010302 and 2012AA011302);the National Key Technology R&D Program of China(No.2012BAH18B00);the International CoorperationProgram of Shanghai Scvence and Technology AssoCiation(No.12510705600)
We propose a novel scheme for optical frequency-locked multi-carrier generation based on a directly modu- lated laser （DML） and a phase modulator （PM） in cascade through synchronous sinusoidal radio frequency （RF...
关键词：Computer simulation Locks (fasteners) Natural frequencies Numerical models Optical materials Optimization Single mode fibers 
Dynamically reconfigurable radio-over-fiber network with medium access control protocol to provide network access to train passengers被引量：1
《Science China(Information Sciences)》2013年第10期134-143,共10页SHEN Xi XU Kun SUN XiaoQiang WU Jian LIN JinTong 
supported in part by National High-Tech Research & Development Program of China(863)(Grant No.2011AA010306);National Basic Research Program of China(973)(Grant No.2012CB315705);National Natural Science Foundation of China(Grant Nos.61107058,61120106001,60932004,61001121,60837004);Beijing Excellent Doctoral Thesis Project(Grant No.YB20101001301);Cooperation Project between Provinceand Ministries(Grant No.2011A090200025);National Science & Technology Major Projects(Grant No.2011ZX03001-007-03)
An innovative dynamically reconfigurable radio-over-fiber （RoF） network equipped with an intel- ligent medium access control （MAC） protocol is proposed to provide broadband access to train passengers in railway hi...
关键词：radio over fiber medium access control protocol wavelength allocation failure detection failurerecovery 
Optical propagation through non-Kolmogorov turbulence
《Science China(Information Sciences)》2013年第4期65-70,共6页TANG Hua OU BaoLin 
supported by Key Project of National Natural Science Foundation of China (Grant No. 60837004);Project of National Natural Science Foundation of China (Grant No. 61101005);Project-sponsored by SRF for ROCS,SEM,Fundamental Research Funds for the Central Universities (Grant No. YWF-11-03-Q-159)
In this paper, the effects of the generalized exponent, the height and the zenith angle on the log-amplitude variance in the weak fluctuation are investigated. The theoretical results indicate that for the downlink, t...
关键词：atmospheric turbulence three-layer model log-amplitude variance power spectral density generalized exponent 
Photonic-assisted approach for instantaneous microwave frequency measurement with tunable range by using Mach-Zehnder interferometers被引量：5
《Chinese Optics Letters》2013年第2期12-14,共3页王大鹏 徐坤 戴键 吴钟乐 纪越峰 林金桐 
supported by the National "973" Program of China(No.2012CB315705);the National "863" Program of China(No.2011AA010306);the National Natural Science Foundation of China(Nos.61107058,61120106001,60932004,61001121,and 60837004);the Beijing Excellent Doctoral Thesis Project(No.YB20101001301);the Cooperation Project between the Province and Ministries(No.2011A090200025)
A novel photonic-assisted approach to microwave frequency measurement is proposed and experimentally demonstrated. The proposed scheme is based on the frequency-to-power mapping with different transmis- sion responses...
关键词：Photonic-assisted approach for instantaneous microwave frequency measurement with tunable range by using Mach-Zehnder interferometers ACF 
Effect of optical losses on the transmission performance of a radio-over-fiber distributed antenna system
《Chinese Optics Letters》2013年第2期8-11,共4页龚志山 徐坤 孟学军 裴寅清 孙小强 戴一堂 纪越峰 林金桐 
supported by the National "863" Program of China(No.2011AA010306);the National "973" Program of China(No.2012CB315705);the National Natural Science Foundation of China(Nos.61107058,61120106001,60932004,61001121,and 60837004);the Beijing Excellent Doctoral Thesis Project(No.YB20101001301);the Cooperation Project between Province and Ministries(No.2011A090200025)
The effects of optical losses oil a directly-modulated radio-over-fiber （RoF） system used for distributed antenna networks are determined. The results show that with a properly designed bidirectional amplifier, the ...
关键词：ROF Effect of optical losses on the transmission performance of a radio-over-fiber distributed antenna system OVER LINK WIFI 
Slow light propagation without absorption based on intersubband transitions in a semiconductor quantum well被引量：1
《Optoelectronics Letters》2012年第5期397-400,共4页韩定安 曾亚光 白艳峰 
supported by the National Natural Science Foundation of China (Nos.61008063,10904015 and 10547108);the Key Project of the National Natural Science Foundation of China (No.60837004)
When semiconductor quantum wells(SQWs) interact with lasers,the group velocity of the low-intensity light pulse is studied theoretically.It is shown that by adjusting the parameters,slow light propagation of the probe...
关键词：Probes Quantum computers Quantum optics Semiconductor quantum wells 
倒Y-型原子系统中增益辅助的慢光研究
《佛山科学技术学院学报（自然科学版）》2012年第2期1-5,共5页韩定安 
国家自然科学基金资助项目(61008063;10547108);国家自然科学基金重点资助项目(60837004);佛山科学技术学院博士启动基金资助项目
通过外加驱动场并使其与四能级原子系统能级共振,能够改变四能级原子系统中的色散和吸收特性。研究表明,选择适当的参数,探测光场可被放大,即有增益产生。同时,探测光场增益-吸收系数表现为增益。这种现象正好和探测光场的慢光现象对应...
关键词：色散 增益 慢光速 
Heterodyne mixing and polarization diversity techniques in radio over fiber system with high sensitivity and dispersion tolerance
《Science China(Information Sciences)》2011年第2期236-243,共8页XU Kun YIN Jie NIU Jian SUN XiaoQiang WU Jian LIN JinTong 
supported by the National Natural Science Foundation of China (Grant Nos. 60702006, 60736002, 60837004, 60736036, 60932004, 61001121);the 111 Project (Grant No. B07005);the National High-Tech Research & Development Program of China (Grant Nos. 2009AA01Z256, 2009-AA01Z253)
We propose and experimentally demonstrate the heterodyne mixing and polarization diversity techniques in radio over fiber （ROF） systems with the advantages of high sensitivity and dispersion endurance. The generatio...
关键词：radio over fiber heterodyne mixing polarization diversity 
WiFi over Fiber Link and Wavelength Assignment Protocol for Internet of Things被引量：2
《China Communications》2011年第1期119-125,共7页徐坤 庞文凤 孙小强 沈希 刘盈 梅仲豪 孟学军 林金桐 
supported by the National Natural Science Foundation of China (Nos.60702006,60736002,60837004,60736036,60932004and61001121);the MOST International Cooperation Program(No.2008DFA11670);the 111 Project(No.B07005);the project funded by State Key Laboratory of AOCSN,China
A novel Wireless Fidelity (WiFi) over fiber link and a wavelength assignment protocol are proposed to provide sufficient bandwidth and extensive coverage range for the various applications in the Internet of Things (I...
关键词：wireless fidelity radio over fiber wavelength assignment Internet of Things 
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