Two-dimensionally relocatable microfiber-coupled photonic crystal resonator

Ju Young Kim, Myung Ki Kim, Min Kyo Seo, Soon Hong Kwon, Jong Hwa Shin, Yong Hee Lee

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Abstract

A photonic crystal microresonator is proposed in this study that is relocatable in two dimensions. A wavelength-scale resonator with high Q-factor (26,000) and high collection efficiency (80%) is formed and repositioned by simply placing and relocating a curved-microfiber to a new position on the surface of a two-dimensional square lattice photonic crystal slab. The formation of the resonator was confirmed by observing lasing of resonators. Infrared microscope images showed that the lasing site is two-dimensionally relocated in-situ. Spectral tuning was demonstrated by modifying the curvature of the microfiber. Functionalities, such as the two-dimensional relocation, spectral tuning and efficient extraction, which the curved-microfiber coupling offers, may provide an alternative way of coupling with a single quantum dot.

Original languageEnglish
Pages (from-to)13009-13016
Number of pages8
JournalOptics Express
Volume17
Issue number15
DOIs
Publication statusPublished - 2009 Jul 20

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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    Kim, J. Y., Kim, M. K., Seo, M. K., Kwon, S. H., Shin, J. H., & Lee, Y. H. (2009). Two-dimensionally relocatable microfiber-coupled photonic crystal resonator. Optics Express, 17(15), 13009-13016. https://doi.org/10.1364/OE.17.013009