Photonic Modulation Using Antimony-Trisulphide Phase Change Huygens Metasurfaces

Siddharth Padmanabha; Isaac O. Oguntoye; Jesse Frantz; Jason Myers; Robel Bekele; Anthony Clabeau; Matthew D. Escarra

doi:10.1364/CLEO_AT.2021.JTu3A.8

Conference on Lasers and Electro-Optics
OSA Technical Digest (Optica Publishing Group, 2021),
paper JTu3A.8
•https://doi.org/10.1364/CLEO_AT.2021.JTu3A.8

Photonic Modulation Using Antimony-Trisulphide Phase Change Huygens Metasurfaces

Siddharth Padmanabha, Isaac O. Oguntoye, Jesse Frantz, Jason Myers, Robel Bekele, Anthony Clabeau, and Matthew D. Escarra

CLEO: Applications and Technology 2021

San Jose, California United States
9–14 May 2021
ISBN: 978-1-943580-91-0

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Joint Poster Session I (JTu3A)

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S. Padmanabha, I. O. Oguntoye, J. Frantz, J. Myers, R. Bekele, A. Clabeau, and M. D. Escarra, "Photonic Modulation Using Antimony-Trisulphide Phase Change Huygens Metasurfaces," in Conference on Lasers and Electro-Optics, J. Kang, S. Tomasulo, I. Ilev, D. Müller, N. Litchinitser, S. Polyakov, V. Podolskiy, J. Nunn, C. Dorrer, T. Fortier, Q. Gan, and C. Saraceno, eds., OSA Technical Digest (Optica Publishing Group, 2021), paper JTu3A.8.

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Abstract

We design switchable antimony trisulfide (Sb₂S₃) Huygens metasurfaces for optical modulation. Simulation results show near 2π phase modulation with ~15dB amplitude modulation optimizable by spectral resonance tuning at near infrared wavelengths. Experimental verification is in progress.

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