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Standing-wave spectrometry in silicon nano-waveguides using reflection-based near-field scanning optical microscopy

Chinese Physics B 2019年第1期28卷 306-312页

作者： Yi-Zhi Sun Wei Ding Bin-Bin Wang Rafael Salas-Montiel sylvain blaize Renaud Bachelot Zhong-Wei Fan Li-Shuang Feng School of Instrumentation Science and Opto-Electronics Engineering Beihang University Laboratory of Optical Physics Institute of Physics Chinese Academy of Sciences Laboratoire de Nanotechnologie et d’Instrumentation Optique(LNIO)ICD CNRS UMR 6281 Universitéde Technologie de Troyes Academy of Opto-Electronics Chinese Academy of Science

Utilizing reflection-based near-field scanning optical microscopy(NSOM) to image and analyze standing-wave patterns, we present a characterization technique potentially suitable for complex photonic integrated circuits. By raster scanning along the axis of a straight nano-waveguide in tapping mode and sweeping wavelength, detailed information of propagating waves in that waveguide has been extracted from analyses in both space and wavelength domains. Our technique needs no special steps for phase stabilization, thus allowing long-duration and environment-insensitive measurements. As a proof-of-concept test, in a silicon single-mode waveguide with a few of etched holes, the locations and reflection strengths of the inner defects have been quantified. The measurement uncertainty of the reflection amplitude is less than 25% at current stage. Our technique paves the way for non-destructively diagnosing photonic circuits on a chip with sub-wavelength spatial resolution and detailed information extraction.

关键词： near-field scanning optical microscopes integrated optics interferometry

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Theoretical analysis of Bloch mode propagation in an integrated chain of gold nanowires

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Photonics Research 2014年第1期2卷 24-30页

作者： Ricardo Tellez-Limon Mickael Fevrier Aniello Apuzzo Rafael Salas-Montiel sylvain blaize Laboratoire de Nanotechnologie et d’Instrumentation Optique Institut Charles DelaunayCNRS-UMR 6279Universitéde Technologie de TroyesCS 4206010004TroyesFrance

The eigenmodes analysis of Bloch modes in a chain of metallic nanowires(MNWs)provides a significant physical understanding about the light propagation phenomena involved in such ***,most of these analyses have been done above the light line in the dispersion relation,where the Bloch modes can only be excited with radiative *** making use of the Fourier modal method,in this paper we rigorously calculate the eigenmode and mode excitation of a chain of MNWs via the fundamental transverse magnetic(TM)mode of a dielectric *** and dipolar transversal Bloch modes were obtained in an MNW chain embedded in a dielectric *** modes can be coupled efficiently with the fundamental TM mode of the *** the eigenmodes supported by the integrated plasmonic structure exhibit strong localized surface plasmon(LSP)resonances,they could serve as a nanodevice for sensing ***,the analysis opens a direction for novel nanostructures,potentially helpful for the efficient excitation of LSPs and strong field enhancement.

关键词： material. Bloch propagation

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Towards the integration of nanoemitters by direct laser writing on optical glass waveguides

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Photonics Research 2020年第9期8卷 1541-1550页

作者： XIAOLUN XU AURÉLIE BROUSSIER TIZIANA RITACCO MACKRINE NAHRA FABIEN GEOFFRAY ALI ISSA SAFI JRADI RENAUD BACHELOT CHRISTOPHE COUTEAU AND sylvain blaize Light nanomaterialsnanotechnologies(L2n)ERL 7004CNRS.University of Technology of Troyes12 rue Marie Curie10004 Troyes CedexFrance Teem Photonics 61 Chemin du Vieux Chêne38246 MeylanFrance Key Laboratory of Advanced Display and System Application Ministry of EducationSchool of Mechatronic Engineering and AutomationShanghai UniversityShanghai 200072China Sino-European School of Technology Shanghai UniversityShanghai 200044China

A major challenge towards nanophotonics is the integration of nanoemitters on optical *** the optical properties of nanoemitters with the benefits of integration and scalability of integrated optics is still a major issue to *** this work,we demonstrate the integration of nanoemitters positioned in a controlled manner onto a substrate and onto an optical ion-exchanged glass waveguide via direct laser writing based on twophoton *** nanoemitters are colloidal CdSe/ZnS quantum dots(QDs)embedded in polymeric *** varying the laser parameters during the patterning process,we make size-controlled QDpolymer nanostructures that were systematically characterized using optical and structural *** as small as 17 nm in height were *** well-controlled QD-polymer nanostructure systems were then successfully integrated onto a new photonic platform for nanophotonics made of an ion-exchanged *** show that our QDs maintain their light emitting quality after integration as verified by photoluminescence(PL)***,QD emission coupled to our waveguides is detected through a home-built fiber-edge coupling PL measurement *** results show the potential for future integration of nanoemitters onto complex photonic chips.

关键词： emitter optical waveguides

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