Published January 30, 2012
| public
Journal Article
Asymmetric optical mode conversion and transmission by breaking PT-symmetry on silicon photonic circuits
- Creators
- Xu, Ye-Long
- Feng, Liang
- Lu, Ming-Hui
- Chen, Yan-Feng
Chicago
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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.
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).Additional details
- Eprint ID
- 29924
- Resolver ID
- CaltechAUTHORS:20120402-080634455
- National Basic Research Program of China
- 2012CB921503
- National Nature Science Foundation of China
- 51032003
- Nature Science Foundation of Jiangsu Province
- BK2009007
- Academic Program Development of Jiangsu Higher Education (PAPD)
- Created
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2012-04-11Created from EPrint's datestamp field
- Updated
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2021-11-09Created from EPrint's last_modified field