Controlling the spontaneous emission rate of monolayer MoS2 in a photonic crystal nanocavity

Xuetao Gan; Yuanda Gao; Kin Fai Mak; Xinwen Yao; Ren Jye Shiue; Arend Van Der Zande; Matthew E. Trusheim; Fariba Hatami; Tony F. Heinz; James Hone; Dirk Englund

doi:10.1063/1.4826679

Controlling the spontaneous emission rate of monolayer MoS₂ in a photonic crystal nanocavity

Xuetao Gan, Yuanda Gao, Kin Fai Mak, Xinwen Yao, Ren Jye Shiue, Arend Van Der Zande, Matthew E. Trusheim, Fariba Hatami, Tony F. Heinz, James Hone, Dirk Englund

微电子学院

科研成果: 期刊稿件 › 文章 › 同行评审

209 引用（Scopus）

摘要

We report on controlling the spontaneous emission (SE) rate of a molybdenum disulfide (MoS₂) monolayer coupled with a planar photonic crystal (PPC) nanocavity. Spatially resolved photoluminescence (PL) mapping shows strong variations of emission when the MoS₂ monolayer is on the PPC cavity, on the PPC lattice, on the air gap, and on the unpatterned gallium phosphide substrate. Polarization dependences of the cavity-coupled MoS₂ emission show a more than 5 times stronger extracted PL intensity than the un-coupled emission, which indicates an underlying cavity mode Purcell enhancement of the MoS₂ SE rate exceeding a factor of 70.

源语言	英语
文章编号	181119
期刊	Applied Physics Letters
卷	103
期	18
DOI	https://doi.org/10.1063/1.4826679
出版状态	已出版 - 28 10月 2013

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abstract = "We report on controlling the spontaneous emission (SE) rate of a molybdenum disulfide (MoS2) monolayer coupled with a planar photonic crystal (PPC) nanocavity. Spatially resolved photoluminescence (PL) mapping shows strong variations of emission when the MoS2 monolayer is on the PPC cavity, on the PPC lattice, on the air gap, and on the unpatterned gallium phosphide substrate. Polarization dependences of the cavity-coupled MoS2 emission show a more than 5 times stronger extracted PL intensity than the un-coupled emission, which indicates an underlying cavity mode Purcell enhancement of the MoS2 SE rate exceeding a factor of 70.",

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T1 - Controlling the spontaneous emission rate of monolayer MoS2 in a photonic crystal nanocavity

AU - Gan, Xuetao

AU - Gao, Yuanda

AU - Fai Mak, Kin

AU - Yao, Xinwen

AU - Shiue, Ren Jye

AU - Van Der Zande, Arend

AU - Trusheim, Matthew E.

AU - Hatami, Fariba

AU - Heinz, Tony F.

AU - Hone, James

AU - Englund, Dirk

PY - 2013/10/28

Y1 - 2013/10/28

N2 - We report on controlling the spontaneous emission (SE) rate of a molybdenum disulfide (MoS2) monolayer coupled with a planar photonic crystal (PPC) nanocavity. Spatially resolved photoluminescence (PL) mapping shows strong variations of emission when the MoS2 monolayer is on the PPC cavity, on the PPC lattice, on the air gap, and on the unpatterned gallium phosphide substrate. Polarization dependences of the cavity-coupled MoS2 emission show a more than 5 times stronger extracted PL intensity than the un-coupled emission, which indicates an underlying cavity mode Purcell enhancement of the MoS2 SE rate exceeding a factor of 70.

AB - We report on controlling the spontaneous emission (SE) rate of a molybdenum disulfide (MoS2) monolayer coupled with a planar photonic crystal (PPC) nanocavity. Spatially resolved photoluminescence (PL) mapping shows strong variations of emission when the MoS2 monolayer is on the PPC cavity, on the PPC lattice, on the air gap, and on the unpatterned gallium phosphide substrate. Polarization dependences of the cavity-coupled MoS2 emission show a more than 5 times stronger extracted PL intensity than the un-coupled emission, which indicates an underlying cavity mode Purcell enhancement of the MoS2 SE rate exceeding a factor of 70.

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DO - 10.1063/1.4826679

M3 - 文章

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JO - Applied Physics Letters

JF - Applied Physics Letters

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Controlling the spontaneous emission rate of monolayer MoS2 in a photonic crystal nanocavity

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Controlling the spontaneous emission rate of monolayer MoS₂ in a photonic crystal nanocavity