Enhanced Five-Photon Photoluminescence in Subwavelength AlGaAs Resonators

Anastasiia Zalogina; Pavel Tonkaev; Aditya Tripathi; Hoo Cheol Lee; Luca Carletti; Hong Gyu Park; Sergey S. Kruk; Yuri Kivshar

doi:10.1021/acs.nanolett.2c01122

Enhanced Five-Photon Photoluminescence in Subwavelength AlGaAs Resonators

Anastasiia Zalogina, Pavel Tonkaev, Aditya Tripathi, Hoo Cheol Lee, Luca Carletti, Hong Gyu Park, Sergey S. Kruk^*, Yuri Kivshar^*

^*Corresponding author for this work

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

10 Citations (Scopus)

Abstract

Multiphoton processes of absorption photoluminescence have enabled a wide range of applications including three-dimensional microfabrication, data storage, and biological imaging. While the applications of two-photon and three-photon absorption and luminescence have matured considerably, higher-order photoluminescence processes remain more challenging to study due to their lower efficiency, particularly in subwavelength systems. Here, we report the observation of five-photon luminescence from a single subwavelength nanoantenna at room temperature enabled by the Mie resonances. We excite an AlGaAs resonator at around 3.6 μm and observe photoluminescence at around 740 nm. We show that the interplay of the Mie multipolar modes at the subwavelength scale can enhance the efficiency of the five-photon luminescence by at least 4 orders of magnitude, being limited only by sensitivity of our detector. Our work paves the way toward applications of higher-order multiphoton processes at the subwavelength scales enabled by the physics of Mie resonances.

Original language	English
Pages (from-to)	4200-4206
Number of pages	7
Journal	Nano Letters
Volume	22
Issue number	10
DOIs	https://doi.org/10.1021/acs.nanolett.2c01122
Publication status	Published - 25 May 2022

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10.1021/acs.nanolett.2c01122

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title = "Enhanced Five-Photon Photoluminescence in Subwavelength AlGaAs Resonators",

abstract = "Multiphoton processes of absorption photoluminescence have enabled a wide range of applications including three-dimensional microfabrication, data storage, and biological imaging. While the applications of two-photon and three-photon absorption and luminescence have matured considerably, higher-order photoluminescence processes remain more challenging to study due to their lower efficiency, particularly in subwavelength systems. Here, we report the observation of five-photon luminescence from a single subwavelength nanoantenna at room temperature enabled by the Mie resonances. We excite an AlGaAs resonator at around 3.6 μm and observe photoluminescence at around 740 nm. We show that the interplay of the Mie multipolar modes at the subwavelength scale can enhance the efficiency of the five-photon luminescence by at least 4 orders of magnitude, being limited only by sensitivity of our detector. Our work paves the way toward applications of higher-order multiphoton processes at the subwavelength scales enabled by the physics of Mie resonances.",

keywords = "Mie resonances, Nanoresonators, multiphoton photoluminescence, subwavelength photonics",

author = "Anastasiia Zalogina and Pavel Tonkaev and Aditya Tripathi and Lee, {Hoo Cheol} and Luca Carletti and Park, {Hong Gyu} and Kruk, {Sergey S.} and Yuri Kivshar",

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month = may,

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doi = "10.1021/acs.nanolett.2c01122",

language = "English",

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T1 - Enhanced Five-Photon Photoluminescence in Subwavelength AlGaAs Resonators

AU - Zalogina, Anastasiia

AU - Tonkaev, Pavel

AU - Tripathi, Aditya

AU - Lee, Hoo Cheol

AU - Carletti, Luca

AU - Park, Hong Gyu

AU - Kruk, Sergey S.

AU - Kivshar, Yuri

PY - 2022/5/25

Y1 - 2022/5/25

N2 - Multiphoton processes of absorption photoluminescence have enabled a wide range of applications including three-dimensional microfabrication, data storage, and biological imaging. While the applications of two-photon and three-photon absorption and luminescence have matured considerably, higher-order photoluminescence processes remain more challenging to study due to their lower efficiency, particularly in subwavelength systems. Here, we report the observation of five-photon luminescence from a single subwavelength nanoantenna at room temperature enabled by the Mie resonances. We excite an AlGaAs resonator at around 3.6 μm and observe photoluminescence at around 740 nm. We show that the interplay of the Mie multipolar modes at the subwavelength scale can enhance the efficiency of the five-photon luminescence by at least 4 orders of magnitude, being limited only by sensitivity of our detector. Our work paves the way toward applications of higher-order multiphoton processes at the subwavelength scales enabled by the physics of Mie resonances.

AB - Multiphoton processes of absorption photoluminescence have enabled a wide range of applications including three-dimensional microfabrication, data storage, and biological imaging. While the applications of two-photon and three-photon absorption and luminescence have matured considerably, higher-order photoluminescence processes remain more challenging to study due to their lower efficiency, particularly in subwavelength systems. Here, we report the observation of five-photon luminescence from a single subwavelength nanoantenna at room temperature enabled by the Mie resonances. We excite an AlGaAs resonator at around 3.6 μm and observe photoluminescence at around 740 nm. We show that the interplay of the Mie multipolar modes at the subwavelength scale can enhance the efficiency of the five-photon luminescence by at least 4 orders of magnitude, being limited only by sensitivity of our detector. Our work paves the way toward applications of higher-order multiphoton processes at the subwavelength scales enabled by the physics of Mie resonances.

KW - Mie resonances

KW - Nanoresonators

KW - multiphoton photoluminescence

KW - subwavelength photonics

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U2 - 10.1021/acs.nanolett.2c01122

DO - 10.1021/acs.nanolett.2c01122

M3 - Article

SN - 1530-6984

VL - 22

SP - 4200

EP - 4206

JO - Nano Letters

JF - Nano Letters

IS - 10

ER -

Enhanced Five-Photon Photoluminescence in Subwavelength AlGaAs Resonators

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