Paper
9 October 2012 Plasmonic antennas as building blocks for spin optics and quantum optics applications
Author Affiliations +
Proceedings Volume 8461, Spintronics V; 84611C (2012) https://doi.org/10.1117/12.931127
Event: SPIE NanoScience + Engineering, 2012, San Diego, California, United States
Abstract
In this invited paper, we review some of our latest works on plasmonic antennas and their interactions with photonic angular momentum. As receiving antennas, both theoretical and experimental results reveal that spiral plasmonic antenna responds differently to photons with left-hand circular polarization and right-hand circular polarization. This spin degeneracy removal finds many potential applications including extremely small circular polarization analyzer for polarimetric imaging, parallel near field probes for optical imaging and sensing, nano-lithography and high density heat assisted magnetic recording. On the transmitter side, through coupling quantum dot nano-emitters to spiral plasmonic antenna, nano-scale spin photon sources with high directivity and circular polarization extinction ratio is demonstrated. Numerical modeling and experimental evidences also indicate that the emitted photons can be imprinted with the photonic spin angular momentum and orbital angular momentum information simultaneously via the interactions between photonic angular momentum and plasmonic antennas. These findings not only are useful for the fundamental understanding of the interaction between plasmonic antennas and photonic angular momentum but also illustrate the versatility of plasmonic antennas as building blocks for practical spin optics and quantum optics devices and systems.
© (2012) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Guanghao Rui, Weibin Chen, Don C. Abeysinghe, Christopher E. Tabor, Robert L. Nelson, and Qiwen Zhan "Plasmonic antennas as building blocks for spin optics and quantum optics applications", Proc. SPIE 8461, Spintronics V, 84611C (9 October 2012); https://doi.org/10.1117/12.931127
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KEYWORDS
Antennas

Plasmonics

Polarization

Photons

Near field optics

Quantum optics

Dielectric polarization

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