Antibonding ground state in photonic crystal molecules

N. Caselli, F. Intonti, F. Riboli, A. Vinattieri, D. Gerace, L.P. Balet, L.H. Li, M. Francardi, A. Gerardino, A. Fiore, M. Gurioli

Research output: Contribution to journalArticleAcademicpeer-review

36 Citations (Scopus)
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We employ a far-field analysis of the angular emission pattern to experimentally assess the symmetry of localized modes in coupled photonic-crystal cavities. We demonstrate that the spatial distribution of localized modes in photonic-crystal nanocavities may change from a bonding to an antibonding orbital, a feature that is unusual in quantum mechanical coupled systems. Experimental data are confirmed by numerical calculations and interpreted in terms of the peculiar oscillatory behavior of the evanescent waves in photonic-crystal band gaps.
Original languageEnglish
Article number035133
Pages (from-to)035133-1/4
Number of pages4
JournalPhysical Review B
Issue number3
Publication statusPublished - 2012


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