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37篇 您的检索式:作者名="NESHEV"
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1Optical metasurfaces: new generation building blocks for multi-functional optics显示文摘Optical metasurfaces(OMs)have emerged as promising candidates to solve the bottleneck of bulky optical elements.OMs offer a fundamentally new method of light manipulation based on scattering from resonant nanostructures rather than conventional refraction and propagation,thus offering efficient phase,polarization,and emission control.This perspective highlights state of the art OMs and provides a roadmap for future applications,including active generation,manipulation and detection of light for quantum technologies,holography and sensing.Dragomir Neshev Igor Aharonovich 2018Light(Science & Applications)2018,7,1:13
2Enhanced second-harmonic generation from two-dimensional MoSe_(2) on a silicon waveguide显示文摘Two-dimensional transition-metal dichalcogenides(TMDCs)with intrinsically broken crystal inversion symmetry and large secondorder nonlinear responses have shown great promise for future nonlinear light sources.However,the sub-nanometer monolayer thickness of such materials limits the length of their nonlinear interaction with light.Here,we experimentally demonstrate the enhancement of the second-harmonic generation from monolayer MoSe_(2) by its integration onto a 220-nm-thick silicon waveguide.Such on-chip integration allows for a marked increase in the interaction length between the MoSe_(2) and the waveguide mode,further enabling phase matching of the nonlinear process.The demonstrated TMDC–silicon photonic hybrid integration opens the door to second-order nonlinear effects within the silicon photonic platform,including efficient frequency conversion,parametric amplification and the generation of entangled photon pairs.Haitao Chen Vincent Corboliou Alexander S Solntsev Duk-Yong Choi Maria A Vincenti Domenico de Ceglia Costantino de Angelis Yuerui Lu Dragomir N Neshev 2017Light(Science & Applications)2017,6,1:7
3Boosting third-harmonic generation by a mirror-enhanced anapole resonator显示文摘We demonstrate that a dielectric anapole resonator on a metallic mirror can enhance the third harmonic emission by two orders of magnitude compared to a typical anapole resonator on an insulator substrate.By employing a gold mirror under a silicon nanodisk,we introduce a novel characteristic of the anapole mode through the spatial overlap of resonantly excited Cartesian electric and toroidal dipole modes.This is a remarkable improvement on the early demonstrations of the anapole mode in which the electric and toroidal modes interfere off-resonantly.Therefore,our system produces a significant near-field enhancement,facilitating the nonlinear process.Moreover,the mirror surface boosts the nonlinear emission via the free-charge oscillations within the interface,equivalent to producing a mirror image of the nonlinear source and the pump beneath the interface.We found that these improvements result in an extremely high experimentally obtained efficiency of 0.01%.Lei Xu Mohsen Rahmani Khosro Zangeneh Kamali Aristeidis Lamprianidis Lavinia Ghirardini Jürgen Sautter Rocio Camacho-Morales Haitao Chen Matthew Parry Isabelle Staude Guoquan Zhang Dragomir Neshev Andrey E.Miroshnichenko 2018Light(Science & Applications)2018,7,1:5
4Nonlinear frequency conversion in optical nanoantennas and metasurfaces:materials evolution and fabrication显示文摘Nonlinear frequency conversion is one of the most fundamental processes in nonlinear optics.It has a wide range of applications in our daily lives,including novel light sources,sensing,and information processing.It is usually assumed that nonlinear frequency conversion requires large crystals that gradually accumulate a strong effect.However,the large size of nonlinear crystals is not compatible with the miniaturisation of modern photonic and optoelectronic systems.Therefore,shrinking the nonlinear structures down to the nanoscale,while keeping favourable conversion efficiencies,is of great importance for future photonics applications.In the last decade,researchers have studied the strategies for enhancing the nonlinear efficiencies at the nanoscale,e.g.by employing different nonlinear materials,resonant couplings and hybridization techniques.In this paper,we provide a compact review of the nanomaterials-based efforts,ranging from metal to dielectric and semiconductor nanostructures,including their relevant nanofabrication techniques.Mohsen Rahmani Giuseppe Leo Igal Brener Anatoly V. Zayats Stefan A. Maier Costantino De Angelis Hoe Tan Valerio Flavio Gili Fouad Karouta Rupert Oulton Kaushal Vora Mykhaylo Lysevych Isabelle Staude Lei Xu Andrey E. Miroshnichenko Chennupati Jagadish Dragomir N. Neshev 2018Opto-Electronic Advances2018,1,10:3
5Multiple bilateral parapelvic kidney cysts显示文摘Krustranni R Dzherasi R Neshev K H 1989Vutr Boles1989,28,:1
6查看详情显示文摘Minovich A Klein A E Janunts N Pertsch T Neshev D N Kivshar Y S 0,,:1
7Observation of nonlinear self-trapping in trian- gular photonic lattices显示文摘Rosberg C R Neshev D N Sukhorukov A A 2007Optics Letters2007,32,4:1
8Yuri S Kivshar Solition stripes in two- dimensional nonlinear photonic lattices 显示文摘Dragomir Neshev 2004OPTICS LETTERS2004,,:1
9Spatial Solitons in Optically Induced Gratings 显示文摘NESHEV D OSTROVSKAYA E KIVSHAR Y 2003Opt Lett2003,28,:1
10Multiple bilateral parapelvic kidney cysts显示文摘krusteva R Dzherasi R Neshev KH 1989Vutr Boles1989,28,6:1
11Attraction of Nonlocal Dark Optical Solitons显示文摘NIKOLA I NIKOLOV NESHEV D KROLIKOWSKI W 2004Opt Left2004,29,3:1
12Spontaneous parametric down-conversion and quantum walks in arrays of quadratic nonlinear waveguides显示文摘Solntsev A S Sukhorukov A A Neshev D N 2012Physical Review Letters2012,108,2:1
13Supercontinuum generation with optical vortices显示文摘Neshev D N Dreischuh A Maleshkov G 0,,17:1
14查看详情显示文摘Dreischuh A Neshev D N Petersen D E Bang O Krolikowski W 0,,:1
15查看详情显示文摘Nikolov N I Neshev D Krolikowski W Bang O Rasmussen J J Christiansen P L 0,,:1
16Attraction of nonlocal dark optical solitons显示文摘Nikolov N I Neshev D Krolikowski W et ol 2004Opt Lett2004,29,3:1
17Pulse compression to the sub-photon lifetime region by half-cycle gain in transient stimulated Brillouin scattering显示文摘 Neshev D Hogervorst W 1999IEEE J QE1999,135,12:1
18Multiple bilateral parapelvic kidney cysts显示文摘KRUSTRANNI R DZHERASI R NESHEV KH 1989Vutr Boles1989,28,:1
19Pulse compression to the subphonon lifetime region by half-cycle gain in transient stimulated Brillouin scattering显示文摘VELCHEV I NESHEV D HOGERVORST W 0,,:1
20Polychromatic nonlinear surface modes generated by supercontinuum light显示文摘SUKHORUKOV A A NESHEV D DREISCHUH A 2006Optical Express2006,14,11:1
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