HOMODYNE

作品数：21被引量：36H指数：4
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相关领域：电子电信机械工程理学更多>>
相关机构：北京师范大学南京大学更多>>
相关期刊：《Science China(Physics,Mechanics & Astronomy)》《The Journal of China Universities of Posts and Telecommunications》《Communications in Theoretical Physics》《Chinese Physics B》更多>>
相关基金：国家自然科学基金中国博士后科学基金国家重点基础研究发展计划国家高技术研究发展计划更多>>
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Spatial and spectral mode mapping of a dielectric nanodot by broadband interferometric homodyne scanning near-field spectroscopy被引量：1
《Advanced Photonics》2020年第4期55-65,共11页Jinxin Zhan Wei Wang Jens Brauer Lukas Schmidt-Mende Christoph Lienau Petra Groß 
funding by the Deutsche Forschungsgemeinschaft(SPP1391,SPP1839,GRK1885);the Niedersachsisches Ministerium für Wissenschaft und Kultur(LGRK,Nano-Energieforschung);the Korea Foundation for International Cooperation of Science and Technology(K20815000003);the German-Israeli Foundation(1256);financial support by the China Scholarship Council(CSC 201404910464)
We investigate the optical properties of nanostructures of antimony sulfide(Sb2S3),a direct-bandgap semiconductor material that has recently sparked considerable interest as a thin film solar cell absorber.Fabrication...
关键词：near-field spectroscopy scattering-type near-field optical microscopy tip-modulation SNOM dielectric nanostructure thin film patterning 
A low-noise, high-SNR balanced homodyne detector for the bright squeezed state measurement in 1–100 kHz range被引量：8
《Chinese Physics B》2020年第3期215-220,共6页Jin-Rong Wang Qing-Wei Wang Long Tian Jing Su Yao-Hui Zheng 
Project supported by the National Natural Science Foundation of China(Grant Nos.11654002,61575114,11874250,and 11804207);the National Key Research and Development Program of China(Grant No.2016YFA0301401);the Program for Sanjin Scholar of Shanxi Province,China;the Program for Outstanding Innovative Teams of Higher Learning Institutions of Shanxi,China;the Fund for Shanxi“1331 Project”Key Subjects Construction,China;Key Research and Development Projects of Shanxi Province,China(Grant No.201903D111001)。
We report a low-noise, high-signal-to-noise-ratio(SNR) balanced homodyne detector based on the standard transimpedance amplifier circuit and the inductance and capacitance combination for the measurement of the bright...
关键词：quantum optics PHOTODETECTOR LOW-NOISE audio band 
The Phase Sensitivities for Different Phase-Shift Configurations in an SU(1,1) Interferometer
《Communications in Theoretical Physics》2019年第12期1435-1442,共8页Fan Wang Wei Zhong Lan Zhou Yu-Bo Sheng 
Supported by the National Natural Science Foundation of China under Grant Nos.11747161 and 11974189;the China Postdoctoral Science Foundation under Grant No.2018M642293
We theoretically study the phase sensitivities of two different phase-shift configurations in an SU(1,1)interferometer with coherent■squeezed vacuum states.According to quantum Cramér-Rao theorem,we analytically obt...
关键词：SU(1 1)interferometer quantum Fisher information one-and two-arm phase shifts Homodyne measurement 
Detection of 13.8 dB squeezed vacuum states by optimizing the interference efficiency and gain of balanced homodyne detection被引量：10
《Chinese Optics Letters》2019年第7期83-86,共4页Xiaocong Sun Yajun Wang Long Tian Yaohui Zheng Kunchi Peng 
supported by the National Natural Science Foundation of China(NSFC)(Nos.11654002,61575114,11874250,and 11804207);National Key Research and Development Program of China(No.2016YFA0301401);Program for Sanjin Scholar of Shanxi Province;Program for Outstanding Innovative Teams of Higher Learning Institutions of Shanxi;Fund for Shanxi “1331 Project”Key Subjects Construction
Squeezed states belong to the most prominent non-classical resources.They have compelling applications in precise measurement, quantum computation, and detection.Here, we report on the direct measurement of 13.8 d B s...
关键词：vacuum STATES INTERFERENCE EFFICIENCY BALANCED HOMODYNE DETECTION 
Influence of homodyne-based feedback control on the entropic uncertainty in open quantum system
《Chinese Physics B》2019年第7期137-143,共7页Juju Hu Qin Xue 
Project supported by the National Natural Science Foundation of China(Grant Nos.61663016 and 11404150)
For an open quantum system containing two qubits under homodyne-based feedback control, we investigate the dynamical behaviors of quantum-memory-assisted entropic uncertainty.Moreover, we analyze the influence of feed...
关键词：homodyne-based feedback control quantum-memory-assisted entropic uncertainties MEMORY qubit open QUANTUM system 
Dynamics of Quantum Fisher Information in Homodyne-Mediated Feedback Control
《Chinese Physics Letters》2019年第3期14-18,共5页Li Chen Dong Yan Li-Jun Song Shou Zhang 
Supported by the National Natural Science Foundation of China under Grant No 11874004;the Young Foundation of Science and Technology Department of Jilin Province under Grant No 20170520109JH;the Science Foundation of the Education Department of Jilin Province under Grant No 2016286
We investigate the quantum Fisher information(QFI) dynamics of a dissipative two-level system in homodynemediated quantum feedback control. The analytical results demonstrate that the maximum values and stable values ...
关键词：DYNAMICS FISHER Information FEEDBACK Control 
Novel homodyne frequency-shifting interference pattern locking system被引量：6
《Chinese Optics Letters》2016年第6期41-46,共6页朱煜 王磊杰 张鸣 鲁森 杨开明 胡楚雄 
supported by the Foundation of the State Key Laboratory of Tribology at China(No.SKLT2014C01);the National Nature Science Foundation of China(No.51475262);the Autonomous Scientific Research Project of Tsinghua University at China(No.20151080363)
We present a novel homodyne frequency-shifting interference pattern locking system to enhance the exposure contrast of interference lithography and scanning beam interference lithography（SBIL）. The novel interferenc...
关键词：locking lithography drift robustness quadrature interferometer modulator fluctuation actuator redundant 
Experimental study of balanced optical homodyne and heterodyne detection by controlling sideband modulation
《Science China(Physics,Mechanics & Astronomy)》2015年第10期23-27,共5页LI Wei YU XuDong MENG ZengMing JIN YuanBin ZHANG Jing 
supported by the National Basic Research Program of China(Grant No.2011CB921601);the National Natural Science Foundation of China(Grant Nos.10725416 and 60821004)
We experimentally study optical homodyne and heterodyne detections with the same setup, which is flexible to manipulate the signal sideband modulation. When the modulation only generates a single signal sideband, the ...
关键词：homodyne detection heterodyne detection sideband modulation the signal-to-noise ratio 
Efficient scheme for realizing quantum dense coding with GHZ state in separated low-Q cavities被引量：1
《Chinese Physics B》2014年第6期44-50,共7页孙倩 何娟 叶柳 
supported by the National Natural Science Foundation of China(Grant Nos.11074002 and 61275119);the Doctoral Foundation of the Ministry of Education of China(Grant No.20103401110003);the Natural Science Research Project of Education Department of Anhui Province,China(Grant Nos.KJ2013A205,KJ2011ZD07,and KJ2012Z309)
We propose an efficient scheme for realizing quantum dense coding with three-particle GHZ state in separated low-Q cavities. In this paper, the GHZ state is first prepared with three atoms trapped, respectively, in th...
关键词：GHZ state quantum dense coding low-Q cavity X-quadrature homodyne measurement 
A 300-MHz Bandwidth Balanced Homodyne Detector for Continuous Variable Quantum Key Distribution被引量：8
《Chinese Physics Letters》2013年第11期117-119,共3页HUANG Duan FANG Jian WANG Chao HUANG Peng ZENG Gui-Hua 
Supported by the National Natural Science Foundation of China under Grant No 61170228;China Postdoctoral Science Foundation under Grant No 2013M540365.
In Gaussian-modulated coherent-state quantum key distribution,the measurement of quadratures of coherent states is performed by using a homodyne detector.However,conventional detectors usually suffer from narrow bands...
关键词：coherent quantum NARROW 
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