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No turning back for light

'Optical diode' could help make commercial photonic chips a reality.

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  1. Wang, Z., Chong, Y., Joannopoulos, J. D. & Soljačić, M. Nature 461, 772-775 (2009).

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  2. Feng, L. et al. Science 333, 729-733 (2011).

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Merali, Z. No turning back for light. Nature (2011).

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