Delay of light in an optical bottle resonator with nanoscale radius variation: dispersionless, broadband, and low-loss

Research output: Contribution to journalArticle

Abstract

It is shown theoretically that an optical bottle resonator with a nanoscale radius variation can perform a multinanosecond long dispersionless delay of light in a nanometer-order bandwidth with minimal losses. Experimentally, a 3 mm long resonator with a 2.8 nm deep semiparabolic radius variation is fabricated from a 19??µm radius silica fiber with a subangstrom precision. In excellent agreement with theory, the resonator exhibits the impedance-matched 2.58 ns (3 bytes) delay of 100 ps pulses with 0.44??dB/ns intrinsic loss. This is a miniature slow light delay line with the record large delay time, record small transmission loss, dispersion, and effective speed of light.
LanguageEnglish
Article number163901
Number of pages5
JournalPhysical Review Letters
Volume111
Issue number16
DOIs
Publication statusPublished - 17 Oct 2013

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bottles
resonators
broadband
radii
transmission loss
delay lines
time lag
impedance
silicon dioxide
bandwidth
fibers
pulses

Bibliographical note

© 2013 American Physical Society. Delay of Light in an Optical Bottle Resonator with Nanoscale Radius Variation: Dispersionless, Broadband, and Low Loss. M. Sumetsky. Phys. Rev. Lett. 111, 163901 – Published 17 October 2013

Keywords

  • optical bottle resonator
  • miniature slow light delay line

Cite this

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title = "Delay of light in an optical bottle resonator with nanoscale radius variation: dispersionless, broadband, and low-loss",
abstract = "It is shown theoretically that an optical bottle resonator with a nanoscale radius variation can perform a multinanosecond long dispersionless delay of light in a nanometer-order bandwidth with minimal losses. Experimentally, a 3 mm long resonator with a 2.8 nm deep semiparabolic radius variation is fabricated from a 19??µm radius silica fiber with a subangstrom precision. In excellent agreement with theory, the resonator exhibits the impedance-matched 2.58 ns (3 bytes) delay of 100 ps pulses with 0.44??dB/ns intrinsic loss. This is a miniature slow light delay line with the record large delay time, record small transmission loss, dispersion, and effective speed of light.",
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