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Published September 2011 | public
Book Section - Chapter

Nonreciprocal Light Propagation on an Integrated Silicon Photonic Chip


We have designed, fabricated, and tested a CMOS compatible silicon waveguide system that demonstrates nonreciprocal light propagation on-chip, by mimicking microscopic non-Hermitian optical potentials for guided light and thus spontaneously breaking parity-time symmetry. Experiments were performed at 1.55 μm wavelength for potential telecommunication applications.

Additional Information

© 2011 IEEE. Date of Current Version: 31 October 2011. The authors would like to thank support from the National Science Foundation through NSF CIAN ERC under grant #EEC-0812072, and from the Defense Advanced Research Projects Agency under the Nanoscale Architecture for Coherent Hyperoptical Sources program under grant #W911NF-07-1-0277. MHL and YFC would like to acknowledge support from the National Basic Research Program of China under grant #2007CB613202, the National Nature Science Foundation of China under grant #50632030 and #10874080, and the Nature Science Foundation of Jiangsu Province under grant #BK2007712. This work was performed in part at the Kavli Nanoscience Institute at Caltech.

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