Photoinduced axial quantization in chalcogenide microfiber resonators

Andrew L. Watts*, Neetesh Singh, Christopher G. Poulton, Eric C. Magi, Irina V. Kabakova, Darren D. Hudson, Benjamin J. Eggleton

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

17 Citations (Scopus)


We investigate axial quantization in chalcogenide (As2S3) whispering gallery mode microfiber resonators. A microcavity is fabricated using a positive photoinduced index perturbation in the microfiber, and the modes are excited through evanescent field coupling with a tapered silica fiber. We show that the modes of the unperturbed fiber split into ladders of modes due to the confinement along the axial direction of the fiber. The axial quantization of the modes is reproduced with a combination of numerical models. Due to the high nonlinearity and photosensitive properties of chalcogenide glasses, microcavities in these materials offer unique potential in nonlinear optics and sensing applications.

Original languageEnglish
Pages (from-to)3249-3253
Number of pages5
JournalJournal of the Optical Society of America B: Optical Physics
Issue number12
Publication statusPublished - 1 Dec 2013
Externally publishedYes


Dive into the research topics of 'Photoinduced axial quantization in chalcogenide microfiber resonators'. Together they form a unique fingerprint.

Cite this