Ultrahigh-contrast and wideband nanoscale photonic crystal all-optical diode

Cuicui Lu; Xiaoyong Hu; Hong Yang; Qihuang Gong

doi:10.1364/OL.36.004668

Ultrahigh-contrast and wideband nanoscale photonic crystal all-optical diode

Cuicui Lu, Xiaoyong Hu^*, Hong Yang, Qihuang Gong

^*此作品的通讯作者

Peking University

科研成果: 期刊稿件 › 文章 › 同行评审

53 引用（Scopus）

摘要

We experimentally realize a nanoscale all-optical diode in a photonic crystal heterostructure with broken spatial inversion symmetry, performing independent of optical nonlinearity. The physical mechanism lies in unique dispersion relations of the photonic crystal and the transition of incident light between different electromagnetic Bloch modes. An ultrahigh transmission contrast of 10³ order, a large operating bandwidth of over 50 nm, and an ultralow photon intensity of less than 10kW/cm² are reached simultaneously.

源语言	英语
页（从-至）	4668-4670
页数	3
期刊	Optics Letters
卷	36
期	23
DOI	https://doi.org/10.1364/OL.36.004668
出版状态	已出版 - 1 12月 2011
已对外发布	是

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Ultrahigh-contrast and wideband nanoscale photonic crystal all-optical diode

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