Xu, Ye-Long and Feng, Liang and Lu, Ming-Hui and Chen, Yan-Feng (2012) Asymmetric optical mode conversion and transmission by breaking PT-symmetry on silicon photonic circuits. Physics Letters A, 376 (6-7). pp. 886-890. ISSN 0375-9601. doi:10.1016/j.physleta.2011.12.043. https://resolver.caltech.edu/CaltechAUTHORS:20120402-080634455
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Abstract
Asymmetric propagation of electromagnetic or elastic waves is important for control of the signal flow in various devices. Through mutual consistent theory analysis and numerical simulations to discuss the parity–time (PT) symmetry, we proposed and studied a linear silicon photonic device that shows asymmetric optical mode conversion. Remarkably, unidirectional mode conversion is observed at the threshold of breaking of the PT symmetry of our system. The corresponding theoretical analysis is expected to help design of chip-scale directional photonic devices.
| Item Type: | Article | ||||||||||
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| Additional Information: | © 2012 Elsevier B.V. Received 28 November 2011. Revised 31 December 2011. Accepted 31 December 2011. Available online 3 January 2012. Communicated by V.M. Agranovich. The work was jointly supported by the National Basic Research Program of China (Grant No. 2012CB921503) and the National Nature Science Foundation of China (Grant No. 51032003). We also acknowledge the support of the Nature Science Foundation of Jiangsu Province (Grant No. BK2009007) and the project funded by the Priority Academic Program Development of Jiangsu Higher Education (PAPD). | ||||||||||
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| Subject Keywords: | Unidirectional mode conversion; Parity-time (PT) symmetry; Silicon photonic circuits | ||||||||||
| Issue or Number: | 6-7 | ||||||||||
| DOI: | 10.1016/j.physleta.2011.12.043 | ||||||||||
| Record Number: | CaltechAUTHORS:20120402-080634455 | ||||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20120402-080634455 | ||||||||||
| Official Citation: | Ye-Long Xu, Liang Feng, Ming-Hui Lu, Yan-Feng Chen, Asymmetric optical mode conversion and transmission by breaking PT-symmetry on silicon photonic circuits, Physics Letters A, Volume 376, Issues 6–7, 30 January 2012, Pages 886-890, ISSN 0375-9601, 10.1016/j.physleta.2011.12.043. | ||||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||||||
| ID Code: | 29924 | ||||||||||
| Collection: | CaltechAUTHORS | ||||||||||
| Deposited By: | Tony Diaz | ||||||||||
| Deposited On: | 11 Apr 2012 17:37 | ||||||||||
| Last Modified: | 09 Nov 2021 19:32 |
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