Dynamic release of trapped light from an ultrahigh-Q nanocavity via adiabatic frequency tuning

Takasumi Tanabe, Masaya Notomi, Hideaki Taniyama, Eiichi Kuramochi

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Abstract

Adiabatic frequency shifting is demonstrated by tuning an ultrahigh-Q photonic crystal nanocavity dynamically. By resolving the output temporally and spectrally, we showed that the frequency of the light in the cavity follows the cavity resonance shift and remains in a single mode throughout the process. This confirmed unambiguously that the frequency shift results from the adiabatic tuning. We have employed this process to achieve the dynamic release of a trapped light from an ultrahigh-Q cavity and thus generate a short pulse. This approach provides a simple way of tuning Q dynamically.

Original languageEnglish
Article number043907
JournalPhysical review letters
Volume102
Issue number4
DOIs
Publication statusPublished - 2009 Jan 26

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ASJC Scopus subject areas

  • Physics and Astronomy(all)

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