Experimental Demonstration of a Bottle Microresonator

Murugan, Ganapathy Senthil; Wilkinson, James S.; Zervas, M.N.

doi:10.1364/cleo.2009.jtud87

“…The proposed technique can be modified to include alternative means of local heating, such as CO 2 lasers or fibre micro-heaters. In this paper, we detail the new fabrication technique and present clear experimental evidence of the turning points and the associated intensity maxima of the bottle resonator modes [19]. In addition, we show transmission spectral characteristics when the bottle is evanescently excited at different points along its length.…”

Section: Introductionmentioning

confidence: 93%

Selective excitation of whispering gallery modes in a novel bottle microresonator

Murugan¹,

Wilkinson²,

Zervas³

2009

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Selective excitation of spheroidal whispering gallery modes and bottle modes in a robust bottle microresonator fabricated straightforwardly from a short section of optical fiber is demonstrated. Characteristic resonance spectra of long-cavity bottle modes were obtained by using a tapered fiber to excite evanescently bottle microresonator at different points along its axis. Compared to bare-fiber cylindrical resonators, the bottle microresonator results in a 35x increase of the observed Q factor.

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“…In this paper, we extend our previously published "soften-and-compress" fabrication technique of solid microbottle resonators [9][10][11] to produce highly-controllable, high performance HMBRs [20]. The HMBRs were fabricated from a glass capillary using a standard fusion splicer.…”

Section: Resultsmentioning

confidence: 95%

Hollow-Bottle Optical Microresonators

Zervas

¹

,

Murugan

²

,

Petrovich

³

et al. 2011

CLEO:2011 - Laser Applications to Photonic Applications

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Selective excitation of whispering-gallery and bottle modes in a robust hollow-bottle optical microresonator, fabricated from a silica microcapillary by a pressure-compensated, "soften-and-compress" method, is demonstrated. Characteristic resonance spectra of bottle modes were obtained by using a tapered fiber coupled at different locations along the hollow bottle. The spectral characteristics (Q-factor, excitation efficiency) are shown to have high tolerance to angular misalignment of the tapered fiber. In addition, introduction of localized losses on the outer surface of the resonator results in selective clean-up of the transmission spectrum and superior performance. A theoretical analysis of modal turning points and associated resonant wavelengths is used to explain the mechanism of modesuppression and the resultant spectral cleaning.

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“…Recently, there has been increased activity on a new cylindrical microresonator type, namely the bottle microresonator, which, in contrast with the examples above, shows truly 3-D WGM confinement [8][9][10][11][12][13]. Bottle microresonators are solid, strong prolate spheroid structures, which support highly non-degenerate WGMs.…”

Section: Introductionmentioning

confidence: 99%

Hollow-bottle optical microresonators

Murugan¹,

Petrovich²,

Jung³

et al. 2011

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Selective excitation of whispering-gallery and bottle modes in a robust hollow-bottle optical microresonator, fabricated from a silica microcapillary by a pressure-compensated, "soften-and-compress" method, is demonstrated. Characteristic resonance spectra of bottle modes were obtained by using a tapered fiber coupled at different locations along the hollow bottle. The spectral characteristics (Q-factor, excitation efficiency) are shown to have high tolerance to angular misalignment of the tapered fiber. In addition, introduction of localized losses on the outer surface of the resonator results in selective clean-up of the transmission spectrum and superior performance. A theoretical analysis of modal turning points and associated resonant wavelengths is used to explain the mechanism of mode-suppression and the resultant spectral cleaning.

show abstract

Experimental Demonstration of a Bottle Microresonator

Abstract: Abstract:We demonstrate a very simple technique to fabricate robust microbottle resonators. Spheroidal WGMs and bottle modes were excited preferentially using a tapered fiber coupled at specific locations along the bottle, and characteristic resonance spectra obtained.

Cited by 7 publications

References 3 publications

Selective excitation of whispering gallery modes in a novel bottle microresonator

Selective excitation of whispering gallery modes in a novel bottle microresonator

Hollow-Bottle Optical Microresonators

Hollow-bottle optical microresonators

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