Observation of the transition from inverted coupled-resonator-induced transparency to inverted Autler-Townes splitting

Daiki Sugio, Takahiro Manabe, Keigo Nakamura, Takahiro Matsumoto, and Makoto Tomita
Phys. Rev. A 107, 013110 – Published 20 January 2023
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Abstract

Inverted coupled-resonator-induced transparency eliminates amplification as a result of destructive interference between two competing excitation pathways and induces a “nonamplifying” transparency window in an otherwise strongly amplifying spectral region. Using coupled ring resonators as a model system, we systematically examined the transition from inverted induced transparency to Autler-Townes splitting (ATS) by controlling the coupling strength between two resonators. The inverted induced transparency spectrum transitioned into different ATS spectra depending on the parameters of the resonators. We also examined the transition that occurs when the second resonator has gain. In this case, the system showed enhanced transparency, in which the intensity of the induced window was much greater than the incident laser level.

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  • Received 4 September 2022
  • Accepted 23 December 2022

DOI:https://doi.org/10.1103/PhysRevA.107.013110

©2023 American Physical Society

Physics Subject Headings (PhySH)

  1. Research Areas
Atomic, Molecular & Optical

Authors & Affiliations

Daiki Sugio1, Takahiro Manabe1, Keigo Nakamura1, Takahiro Matsumoto2, and Makoto Tomita1

  • 1Department of Physics, Faculty of Science, Shizuoka University, 836, Ohya, Suruga-ku, Shizuoka, 422-8529, Japan
  • 2Graduate School of Design and Architecture, Nagoya City University, Nagoya, 464-0083, Japan

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Issue

Vol. 107, Iss. 1 — January 2023

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