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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Rodriguez, Christophe Cho, Yong-hoon Shin, Jonghwa Ko, Young-ho Kim, Je-hyung Lee, Yong-hee Dang, Le Si Gong, Su-hyun Zhang, Xiang |
| Description | Author Affiliation: Gong SH ( Department of Physics, KAIST Institute for the NanoCentury, and.); Kim JH ( Department of Physics, KAIST Institute for the NanoCentury, and.); Ko YH ( Department of Physics, KAIST Institute for the NanoCentury, and.); Rodriguez C ( Department of Physics, KAIST Institute for the NanoCentury, and.); Shin J ( KAIST Institute for the NanoCentury, and Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology, Daejeon 305-701, Republic of Korea); Lee YH ( Department of Physics.); Dang le S ( Université Grenoble Alpes and CNRS, Institut Néel, F-38042 Grenoble, France); Zhang X ( Nanoscale Science and Engineering Center, University of California, Berkeley, CA 94720.); Cho YH ( Department of Physics, KAIST Institute for the NanoCentury, and yhc@kaist.ac.kr.); |
| Abstract | The quantum plasmonics field has emerged and been growing increasingly, including study of single emitter-light coupling using plasmonic system and scalable quantum plasmonic circuit. This offers opportunity for the quantum control of light with compact device footprint. However, coupling of a single emitter to highly localized plasmonic mode with nanoscale precision remains an important challenge. Today, the spatial overlap between metallic structure and single emitter mostly relies either on chance or on advanced nanopositioning control. Here, we demonstrate deterministic coupling between three-dimensionally nanofocused plasmonic modes and single quantum dots (QDs) without any positioning for single QDs. By depositing a thin silver layer on a site-controlled pyramid QD wafer, three-dimensional plasmonic nanofocusing on each QD at the pyramid apex is geometrically achieved through the silver-coated pyramid facets. Enhancement of the QD spontaneous emission rate as high as 22 ± 16 is measured for all processed QDs emitting over â ¼150-meV spectral range. This approach could apply to high fabrication yield on-chip devices for wide application fields, e.g., high-efficiency light-emitting devices and quantum information processing. |
| ISSN | 00278424 |
| e-ISSN | 10916490 |
| Journal | Proceedings of the National Academy of Sciences of the United States of America |
| Issue Number | 17 |
| Volume Number | 112 |
| Language | English |
| Publisher | National Academy of Sciences |
| Publisher Date | 2015-04-01 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | Multidisciplinary |
| Content Type | Text |
| Resource Type | Article |
| Subject | Multidisciplinary |
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