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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 37, Iss. 24 — Dec. 15, 2012
  • pp: 5121–5123

Nonlinear microfiber loop resonators for resonantly enhanced third harmonic generation

Rand Ismaeel, Timothy Lee, Ming Ding, Neil G. R. Broderick, and Gilberto Brambilla  »View Author Affiliations

Optics Letters, Vol. 37, Issue 24, pp. 5121-5123 (2012)

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We model and demonstrate resonantly enhanced third harmonic generation in microfiber loop resonators, in which the large pump field intensity is exploited to improve the conversion on resonance. Silica microfibers were fabricated with waist diameters near 0.76 μm to ensure intermodal phase matching. When pumped with λ = 1.55 μm 4 ns pulses at 100 W peak power, the conversion efficiency is 3 × 10 6 over an estimated interaction length of 1 mm near the waist. The resonator is then formed by manually translating and twisting the microfiber ends to produce loop diameters down to 6 mm and resonant enhancements up to 7.7 dB for the same pump parameters.

© 2012 Optical Society of America

OCIS Codes
(190.2620) Nonlinear optics : Harmonic generation and mixing
(190.4410) Nonlinear optics : Nonlinear optics, parametric processes
(230.5750) Optical devices : Resonators
(230.7370) Optical devices : Waveguides

ToC Category:
Nonlinear Optics

Original Manuscript: October 24, 2012
Manuscript Accepted: November 12, 2012
Published: December 7, 2012

Rand Ismaeel, Timothy Lee, Ming Ding, Neil G. R. Broderick, and Gilberto Brambilla, "Nonlinear microfiber loop resonators for resonantly enhanced third harmonic generation," Opt. Lett. 37, 5121-5123 (2012)

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