Lowest threshold lasing modes localized on marginally unstable periodic orbits in a semiconductor microcavity laser

In Goo Lee; Chang Hwan Yi; Ji Won Lee; Hyeon Hye Yu; Jinhyeok Ryu; Sunjae Gwak; Hyundong Kim; Kwang Ryong Oh; Chil Min Kim

doi:10.1364/OE.396480

Lowest threshold lasing modes localized on marginally unstable periodic orbits in a semiconductor microcavity laser

In Goo Lee, Chang Hwan Yi, Ji Won Lee, Hyeon Hye Yu, Jinhyeok Ryu, Sunjae Gwak, Hyundong Kim, Kwang Ryong Oh, Chil Min Kim

Department of Physics and Chemistry

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

Abstract

The lowest threshold lasing mode in a rounded D-shape microcavity is theoretically analyzed and experimentally demonstrated. To identify the lowest threshold lasing mode, we investigate threshold conditions of different periodic orbits by considering the linear gain condition due to the effective pumping region and total loss consisting of internal and scattering losses in ray dynamics. We compare the ray dynamical result with resonance mode analysis, including gain and loss. We find that the resonance modes localized on the pentagonal marginally unstable periodic orbit have the lowest threshold in our fabrication configuration. Our findings are verified by obtaining the path lengths and far-field patterns of lasing modes.

Original language	English
Pages (from-to)	19402-19412
Number of pages	11
Journal	Optics Express
Volume	28
Issue number	13
DOIs	https://doi.org/10.1364/OE.396480
State	Published - 22 Jun 2020

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© 2020 Optical Society of America under the terms of the OSA Open Access Publishing Agreement.

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title = "Lowest threshold lasing modes localized on marginally unstable periodic orbits in a semiconductor microcavity laser",

abstract = "The lowest threshold lasing mode in a rounded D-shape microcavity is theoretically analyzed and experimentally demonstrated. To identify the lowest threshold lasing mode, we investigate threshold conditions of different periodic orbits by considering the linear gain condition due to the effective pumping region and total loss consisting of internal and scattering losses in ray dynamics. We compare the ray dynamical result with resonance mode analysis, including gain and loss. We find that the resonance modes localized on the pentagonal marginally unstable periodic orbit have the lowest threshold in our fabrication configuration. Our findings are verified by obtaining the path lengths and far-field patterns of lasing modes.",

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note = "Publisher Copyright: {\textcopyright} 2020 Optical Society of America under the terms of the OSA Open Access Publishing Agreement.",

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doi = "10.1364/OE.396480",

language = "English",

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AU - Lee, In Goo

AU - Yi, Chang Hwan

AU - Lee, Ji Won

AU - Yu, Hyeon Hye

AU - Ryu, Jinhyeok

AU - Gwak, Sunjae

AU - Kim, Hyundong

AU - Oh, Kwang Ryong

AU - Kim, Chil Min

PY - 2020/6/22

Y1 - 2020/6/22

N2 - The lowest threshold lasing mode in a rounded D-shape microcavity is theoretically analyzed and experimentally demonstrated. To identify the lowest threshold lasing mode, we investigate threshold conditions of different periodic orbits by considering the linear gain condition due to the effective pumping region and total loss consisting of internal and scattering losses in ray dynamics. We compare the ray dynamical result with resonance mode analysis, including gain and loss. We find that the resonance modes localized on the pentagonal marginally unstable periodic orbit have the lowest threshold in our fabrication configuration. Our findings are verified by obtaining the path lengths and far-field patterns of lasing modes.

AB - The lowest threshold lasing mode in a rounded D-shape microcavity is theoretically analyzed and experimentally demonstrated. To identify the lowest threshold lasing mode, we investigate threshold conditions of different periodic orbits by considering the linear gain condition due to the effective pumping region and total loss consisting of internal and scattering losses in ray dynamics. We compare the ray dynamical result with resonance mode analysis, including gain and loss. We find that the resonance modes localized on the pentagonal marginally unstable periodic orbit have the lowest threshold in our fabrication configuration. Our findings are verified by obtaining the path lengths and far-field patterns of lasing modes.

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EP - 19412

JO - Optics Express

JF - Optics Express

IS - 13

ER -

Lowest threshold lasing modes localized on marginally unstable periodic orbits in a semiconductor microcavity laser

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