Photonic crystal enabled THz sources and one-way waveguides

Z. Wang; Y. Chong; A. Rodriguez; J. B. Abad; S. G. Johnson; J. D. Joannopoulos; M. Soljačić

doi:10.1117/12.860908

10 September 2010 Photonic crystal enabled THz sources and one-way waveguides

Z. Wang, Y. Chong, A. Rodriguez, J. B. Abad, S. G. Johnson, J. D. Joannopoulos, M. Soljačić

Proceedings Volume 7756, Active Photonic Materials III; 77560D (2010) https://doi.org/10.1117/12.860908
Event: SPIE NanoScience + Engineering, 2010, San Diego, California, United States

Abstract

We present two photonic crystal enabled platforms, exhibiting novel active optical phenomena. First, using a detailed theoretical and numerical analysis, we show how a Purcell-effect inspired nonlinear nanophotonic scheme could enable optimal and compact THz sources via optical difference frequency generation. Second, we show how electromagnetic one-way edge modes analogous to quantum Hall edge states, originally predicted by Raghu and Haldane in gyroelectric photonic crystals, can appear in more general settings. In gyromagnetic YIG photonic crystals operating at microwave frequencies, time-reversal breaking is strong enough that the effect is readily observable. We present our experimental results on this novel phenomenon.

Citation Download Citation

Z. Wang, Y. Chong, A. Rodriguez, J. B. Abad, S. G. Johnson, J. D. Joannopoulos, and M. Soljačić "Photonic crystal enabled THz sources and one-way waveguides", Proc. SPIE 7756, Active Photonic Materials III, 77560D (10 September 2010); https://doi.org/10.1117/12.860908

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