Highly birefringent silica microfiber

Yongmin Jung, Gilberto Brambilla, Kyunghwan Oh, David J. Richardson

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54 Citations (Scopus)


A highly biréfringent silica microfiber was successfully developed by adiabatically tapering a lowbirefringence flat fiber at a low temperature. Owing to the high fiber cross-sectional ellipticity and the large refractive index contrast between silica and the surrounding air (δn = 0.45) the fiat microfiber provides an extremely high group birefringence (B = 5.3 X 10 -3 at 1550 nm). The ability to obtain high birefringence in optical microfibers offers new possibilities for polarization discrimination and control within microfiber devices, such as high-resolution optical sensors, resonators, and fiber lasers.

Original languageEnglish
Pages (from-to)378-380
Number of pages3
JournalOptics Letters
Issue number3
Publication statusPublished - 2010 Feb 1

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

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  • Cite this

    Jung, Y., Brambilla, G., Oh, K., & Richardson, D. J. (2010). Highly birefringent silica microfiber. Optics Letters, 35(3), 378-380. https://doi.org/10.1364/OL.35.000378