Dynamic Fano-like resonances in erbium-doped whispering-gallery-mode microresonators

Fuchuan Lei; Bo Peng; Şahin Kaya Özdemir; Gui Lu Long; Lan Yang

doi:10.1063/1.4895632

Dynamic Fano-like resonances in erbium-doped whispering-gallery-mode microresonators

Fuchuan Lei, Bo Peng, Şahin Kaya Özdemir, Gui Lu Long, Lan Yang

Engineering Science and Mechanics

Research output: Contribution to journal › Article › peer-review

63 Scopus citations

Abstract

We report Fano-like asymmetric resonances modulated by optical gain in a whispering-gallery-mode resonator fabricated from erbium-doped silica. A time-dependent gain profile leads to dynamically varying sharp asymmetric resonances with features similar to Fano resonances. Depending on the scan speed of the frequency of the probe laser and the pump-probe power ratio, transmission spectra of the active microcavity exhibit a resonance dip, a resonance peak, or a Fano-like resonance.

Original language	English (US)
Article number	101112
Journal	Applied Physics Letters
Volume	105
Issue number	10
DOIs	https://doi.org/10.1063/1.4895632
State	Published - Sep 8 2014

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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10.1063/1.4895632

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abstract = "We report Fano-like asymmetric resonances modulated by optical gain in a whispering-gallery-mode resonator fabricated from erbium-doped silica. A time-dependent gain profile leads to dynamically varying sharp asymmetric resonances with features similar to Fano resonances. Depending on the scan speed of the frequency of the probe laser and the pump-probe power ratio, transmission spectra of the active microcavity exhibit a resonance dip, a resonance peak, or a Fano-like resonance.",

author = "Fuchuan Lei and Bo Peng and {\"O}zdemir, {{\c S}ahin Kaya} and Long, {Gui Lu} and Lan Yang",

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AU - Lei, Fuchuan

AU - Peng, Bo

AU - Özdemir, Şahin Kaya

AU - Long, Gui Lu

AU - Yang, Lan

PY - 2014/9/8

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N2 - We report Fano-like asymmetric resonances modulated by optical gain in a whispering-gallery-mode resonator fabricated from erbium-doped silica. A time-dependent gain profile leads to dynamically varying sharp asymmetric resonances with features similar to Fano resonances. Depending on the scan speed of the frequency of the probe laser and the pump-probe power ratio, transmission spectra of the active microcavity exhibit a resonance dip, a resonance peak, or a Fano-like resonance.

AB - We report Fano-like asymmetric resonances modulated by optical gain in a whispering-gallery-mode resonator fabricated from erbium-doped silica. A time-dependent gain profile leads to dynamically varying sharp asymmetric resonances with features similar to Fano resonances. Depending on the scan speed of the frequency of the probe laser and the pump-probe power ratio, transmission spectra of the active microcavity exhibit a resonance dip, a resonance peak, or a Fano-like resonance.

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Dynamic Fano-like resonances in erbium-doped whispering-gallery-mode microresonators

Abstract

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