Valley-controlled directional coupling to plasmonic nanowire modes

Su-Hyun Gong; Filippo Alpeggiani; Beniamino Sciacca; Erik C. Garnett; L. Kuipers

Valley-controlled directional coupling to plasmonic nanowire modes

Su-Hyun Gong, Filippo Alpeggiani, Beniamino Sciacca, Erik C. Garnett, L. Kuipers

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

The chiral interaction between transverse optical spin and circularly polarized emitters provides a novel way to manipulate spin information at the nanoscale. Here, we demonstrate the valley(spin)-dependent directional emission of transition metal chalcogenides (TMDs) into plasmonic eigenstates of a silver nanowire. Due to the spin-path locking of the plasmonic eigenstates, the emission from the two different valleys of TMDs material will couple to the guided modes propagating in opposite directions. The high valley polarization of TMDs and high density of the transverse optical spin of the plasmonic wire together offer a novel platform for a chiral network even at room temperature without any magnetic fields.

Original language	English
Title of host publication	2018 Conference on Lasers and Electro-Optics, CLEO 2018 - Proceedings
Publisher	Institute of Electrical and Electronics Engineers Inc.
ISBN (Print)	9781943580422
Publication status	Published - 2018 Aug 6
Externally published	Yes
Event	2018 Conference on Lasers and Electro-Optics, CLEO 2018 - San Jose, United States Duration: 2018 May 13 → 2018 May 18

Publication series

Name	2018 Conference on Lasers and Electro-Optics, CLEO 2018 - Proceedings

Other

Other	2018 Conference on Lasers and Electro-Optics, CLEO 2018
Country	United States
City	San Jose
Period	18/5/13 → 18/5/18

ASJC Scopus subject areas

Instrumentation
Atomic and Molecular Physics, and Optics

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Cite this

Gong, S-H., Alpeggiani, F., Sciacca, B., Garnett, E. C., & Kuipers, L. (2018). Valley-controlled directional coupling to plasmonic nanowire modes. In 2018 Conference on Lasers and Electro-Optics, CLEO 2018 - Proceedings [8426453] (2018 Conference on Lasers and Electro-Optics, CLEO 2018 - Proceedings). Institute of Electrical and Electronics Engineers Inc..

Valley-controlled directional coupling to plasmonic nanowire modes. / Gong, Su-Hyun; Alpeggiani, Filippo; Sciacca, Beniamino; Garnett, Erik C.; Kuipers, L.

2018 Conference on Lasers and Electro-Optics, CLEO 2018 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 2018. 8426453 (2018 Conference on Lasers and Electro-Optics, CLEO 2018 - Proceedings).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Gong, S-H, Alpeggiani, F, Sciacca, B, Garnett, EC & Kuipers, L 2018, Valley-controlled directional coupling to plasmonic nanowire modes. in 2018 Conference on Lasers and Electro-Optics, CLEO 2018 - Proceedings., 8426453, 2018 Conference on Lasers and Electro-Optics, CLEO 2018 - Proceedings, Institute of Electrical and Electronics Engineers Inc., 2018 Conference on Lasers and Electro-Optics, CLEO 2018, San Jose, United States, 18/5/13.

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abstract = "The chiral interaction between transverse optical spin and circularly polarized emitters provides a novel way to manipulate spin information at the nanoscale. Here, we demonstrate the valley(spin)-dependent directional emission of transition metal chalcogenides (TMDs) into plasmonic eigenstates of a silver nanowire. Due to the spin-path locking of the plasmonic eigenstates, the emission from the two different valleys of TMDs material will couple to the guided modes propagating in opposite directions. The high valley polarization of TMDs and high density of the transverse optical spin of the plasmonic wire together offer a novel platform for a chiral network even at room temperature without any magnetic fields.",

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AU - Alpeggiani, Filippo

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AU - Kuipers, L.

PY - 2018/8/6

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N2 - The chiral interaction between transverse optical spin and circularly polarized emitters provides a novel way to manipulate spin information at the nanoscale. Here, we demonstrate the valley(spin)-dependent directional emission of transition metal chalcogenides (TMDs) into plasmonic eigenstates of a silver nanowire. Due to the spin-path locking of the plasmonic eigenstates, the emission from the two different valleys of TMDs material will couple to the guided modes propagating in opposite directions. The high valley polarization of TMDs and high density of the transverse optical spin of the plasmonic wire together offer a novel platform for a chiral network even at room temperature without any magnetic fields.

AB - The chiral interaction between transverse optical spin and circularly polarized emitters provides a novel way to manipulate spin information at the nanoscale. Here, we demonstrate the valley(spin)-dependent directional emission of transition metal chalcogenides (TMDs) into plasmonic eigenstates of a silver nanowire. Due to the spin-path locking of the plasmonic eigenstates, the emission from the two different valleys of TMDs material will couple to the guided modes propagating in opposite directions. The high valley polarization of TMDs and high density of the transverse optical spin of the plasmonic wire together offer a novel platform for a chiral network even at room temperature without any magnetic fields.

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