Design of a three-hole defect photonic crystal nanocavity with high-quality and enhanced Purcell factor

Sakshi Aneja; Mukesh Kumar

doi:10.1117/1.OE.54.1.017106

29 January 2015 Design of a three-hole defect photonic crystal nanocavity with high-quality and enhanced Purcell factor

Sakshi Aneja, Mukesh Kumar

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Sakshi Aneja,¹ Mukesh Kumar¹

¹Thapar Univ. (India)

Optical Engineering, Vol. 54, Issue 1, 017106 (January 2015). https://doi.org/10.1117/1.OE.54.1.017106

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Abstract

An easy to realize L3 photonic crystal nanocavity that exhibits ultrahigh quality factor (Q-factor), ultrasmall mode volume, and a large Q/V_mode is proposed. A resonant cavity mode at 910.625 nm wavelength with Q-factor 4.93×10⁵, mode volume 0.802 (λ/n)³, and Q/Vmode6.15×105 (λ/n)−3 is reported. The proposed design improves Q-factor by a factor of 84 and Q/V_mode by a factor of 70 in comparison to unoptimized L3 photonic crystal nanocavity. Such a high-quality nanocavity can be used to realize a strongly interacting quantum dot-nanocavity coupled system.

© 2015 Society of Photo-Optical Instrumentation Engineers (SPIE) 0091-3286/2015/$25.00 © 2015 SPIE

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Sakshi Aneja and Mukesh Kumar "Design of a three-hole defect photonic crystal nanocavity with high-quality and enhanced Purcell factor," Optical Engineering 54(1), 017106 (29 January 2015). https://doi.org/10.1117/1.OE.54.1.017106

Published: 29 January 2015

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KEYWORDS

Photonic crystals

Finite-difference time-domain method

Quantum dots

Dielectrics

Fourier transforms

Gallium arsenide

Light-matter interactions

Optical engineering

Optical filters

Communication engineering

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Sakshi Aneja, Mukesh Kumar, "Design of a three-hole defect photonic crystal nanocavity with high-quality and enhanced Purcell factor," Opt. Eng. 54(1) 017106 (29 January 2015) https://doi.org/10.1117/1.OE.54.1.017106

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