Nonlinear and adiabatic control of high-Q photonic crystal nanocavities

M. Notomi, T. Tanabe, A. Shinya, E. Kuramochi, H. Taniyama, S. Mitsugi, M. Morita

Research output: Contribution to journalArticlepeer-review

135 Citations (Scopus)


This article overviews our recent studies of ultrahigh-Q and ultrasmall photonic-crystal cavities, and their applications to nonlinear optical processing and novel adiabatic control of light. First, we show our latest achievements of ultrahigh-Q photonic-crystal nanocavities, and present extreme slow-light demonstration. Next, we show all-optical bistable switching and memory operations based on enhanced optical nonlinearity in these nanocavities with extremely low power, and discuss their applicability for realizing chip-scale all-optical logic, such as flip-flop. Finally, we introduce adiabatic tuning of high-Q nanocavities, which leads to novel wavelength conversion and another type of optical memories.

Original languageEnglish
Pages (from-to)17458-17481
Number of pages24
JournalOptics Express
Issue number26
Publication statusPublished - 2007 Dec 24
Externally publishedYes

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics


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