Anomalous dispersioninbluewavelengthrange in verticallycoupledIII-nitridewaveguides

Pallabi Das; Kasturi Saha; Siddharth Tallur

doi:10.1364/CLEO_AT.2021.JTu3A.118

Conference on Lasers and Electro-Optics
OSA Technical Digest (Optica Publishing Group, 2021),
paper JTu3A.118
•https://doi.org/10.1364/CLEO_AT.2021.JTu3A.118

Anomalous dispersioninbluewavelengthrange in verticallycoupledIII-nitridewaveguides

Pallabi Das, Kasturi Saha, and Siddharth Tallur

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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P. Das, K. Saha, and S. Tallur, "Anomalous dispersioninbluewavelengthrange in verticallycoupledIII-nitridewaveguides," 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.118.

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Abstract

In this paper, we present dispersion engineering in vertically coupled III- nitride (GaN/AlN/GaN) waveguides for short (blue) wavelengths. Peak anomalous dispersion ≈1.83 × 10⁵ ps/nm − km is achieved by tuning the geometric parameters and thereby coupling strength of the waveguides.

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