Correlative light electron microscopy prefers single probes with stable performance in both optical and electron microscopy.Now researchers have shown how to harness gold nanoparticles featuring exceptional photostabi...
Project partially supported by the National Natural Science Foundation of China (Grant Nos. 91950105 and 62175116);the 1311 Talent Plan of Nanjing University of Posts and Telecommunications。
The high degree of freedom and novel nonlinear phenomena of multimode fiber are attracting attention. In this work,we demonstrate a spatiotemporal mode-locked multimode fiber laser, which relies on microfiber knot res...
supported in part by the National Natural Science Foundation of China(NSFC)(Nos.61805084,11974006,11874018 and 61875058);Science and Technology Program of Guangzhou(No.2019050001);Guangdong Key R&D Program(No.2018B090904003);Guangdong Basic and Applied Basic Research Foundation(No.2019A1515010879);Foundation for Young Talents in Higher Education of Guangdong(No.2017KQNCX051);Scientific Research Foundation of Young Teacher of South China Normal University(No.17KJ09);Open Fund of the Guangdong Provincial Key Laboratory of Fiber Laser Materials and Applied Techniques(South China University of Technology,2019-2)
High-repetition-rate(HRR) pulsed fiber lasers have attracted much attention in various fields. To effectively achieve HRR pulses in fiber lasers, dissipative four-wave-mixing mode-locking is a promising method. In thi...
Project supported by Xi’an Science and Technology Project,China(Grant Nos.2019KJWL05 and 2017CGWl07)
Four-wave-mixing(FWM) process is examined by using density matrix formalism in a periodically-driven atomic medium. Numerical result shows that FWM signals can be controlled by selecting different dynamic parameters o...
supported by the National Natural Science Foundation of China(No.61671108);the Fundamental Research Funds for the Central Universities(No.ZYGX2014J005);the Program for Changjiang Scholars and Innovative Research Team in University
All-optical regenerators can be used to suppress amplified spontaneous emission(ASE) noise introduced by cascaded erbium doped fiber amplifiers(EDFAs) in optical fiber communication systems and lead to the improvement...
supported by National Natural Science Foundation of China under Grants 61290312, 61107072, 61107073, and 61475032;supported by Program for Changjiang Scholars and Innovative Research Team in Universities of China (PCSIRT);the “111 Project” of China Education Ministry
A graphene-coated microfiber(GCM)-based hybrid waveguide structure formed by wrapping monolayer graphene around a microfiber with length of several millimeters is pumped by a nanosecond laser at ~1550 nm, and multiord...
supported by the National Hi-Tech Research and Development Program of China(Nos.2006AA01Z253,2006AA01Z261);the National Natural Science Foundation of China(Nos.60877045,60736003);the Scientific Research Foundation for the Returned Overseas Chinese Scholars,Chinese Ministry of Education
We numerically investigate four-wave-mixing (FWM) based multichannel wavelength conversion for amplitude-modulated signals, phase-modulated signals, together with mixed amplitude and phase modulated signals. This pa...
Dicke-narrowing effect appears both in doubly dressed electromagnetically induced transparency and singly dressed four-wave-mixing lines due to the contribution of slow atoms resulting from de-excited effects of atom-...
Supported by the National Natural Science Foundation of China under Grants No.69608002;the Excellent Young Teacher's Foundation of the Ministry of Education.
Transient third-order optical nonlinearityχ^(3)of ZnO microcrystallite thin films is measured at various temperatures by using femtosecond degenerate four-wave-mixing.Room-temperature excitonic enhancement of is obse...
Supported by tlie National Natural Science Foundation of China;the Chinese Academy of Sciences.
We report,for the first time an experiment of the tiine-deltiyed Ra.nia.n-enhanced nondegenerate four-wave-mixing(RENFWM)with incoherence light in carbon disulfide.We studied the RENFWM signal intensity as a/unction o...