Robust Optical Delay Lines with Topological Protection
| Title: | Robust Optical Delay Lines with Topological Protection |
| Author: |
Hafezi, Mohammad; Demler, Eugene A.; Lukin, Mikhail D.; Taylor, Jacob Mason
Note: Order does not necessarily reflect citation order of authors. |
| Citation: | Hafezi, Mohammad, Eugene A. Demler, Mikhail D. Lukin, and Jacob Mason Taylor. 2011. Robust optical delay lines with topological protection. Nature Physics 7(11): 907-912. |
| Full Text & Related Files: |
1102.3256v1.pdf (781.2Kb; PDF) 
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| Abstract: | Phenomena associated with the topological properties of physical systems can be naturally robust against perturbations. This robustness is exemplified by quantized conductance and edge state transport in the quantum Hall and quantum spin Hall effects. Here we show how exploiting topological properties of optical systems can be used to improve photonic devices. We demonstrate how quantum spin Hall Hamiltonians can be created with linear optical elements using a network of coupled resonator optical waveguides (CROW) in two dimensions. We find that key features of quantum Hall systems, including the characteristic Hofstadter butterfly and robust edge state transport, can be obtained in such systems. As a specific application, we show that topological protection can be used to improve the performance of optical delay lines and to overcome some limitations related to disorder in photonic technologies. |
| Published Version: | doi:10.1038/nphys2063 |
| Other Sources: | http://arxiv.org/abs/1102.3256 |
| Terms of Use: | This article is made available under the terms and conditions applicable to Open Access Policy Articles, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#OAP |
| Citable link to this page: | http://nrs.harvard.edu/urn-3:HUL.InstRepos:8123165 |
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