Spontaneous Emission Enhancement of CdSe Quantum Dots Embedded in a Two-dimensional Photonic Crystal L3 Nanocavity

Khalid N.  Sediq

doi:10.14500/aro.10810

Khalid N. Sediq Department of Physics, Koya University, Faculty of Science and Health, Koya University, University Park, Danielle Mitterrand Boulevard, Koya KOY45, Kurdistan Region – F.R. Iraq https://orcid.org/0000-0002-6814-6722

Keywords: Quantum dots, L3 cavity, Photonic crystal, Purcell factor

Abstract

Two-dimensional photonic crystal nanocavities were designed to tailor cavity quantum electrodynamics. Enhancing the spontaneous emission of low-quality factor nanocavity with embedded CdSe quantum dots (QDs) emitters is the aim of this study. Low concentration layer of CdSe QDs was sandwiched between two layers of Si2 N3 membrane using plasma-enhanced chemical vapor deposition. The modification rate in spontaneous emission of L3 nanocavity up to 2.3-fold has been observed at 629.5 nm in compare to bare cavities. High field confinement in the sub-wavelength regime became an interest field for quantum electrodynamics applications and good platform to study light matter interactions.

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Author Biography

Khalid N. Sediq, Department of Physics, Koya University, Faculty of Science and Health, Koya University, University Park, Danielle Mitterrand Boulevard, Koya KOY45, Kurdistan Region – F.R. Iraq

Khalid N. Sediq is a Lecturer at the Department of Physics, Faculty of Science and Health, Koya University. He has got the B.Sc. degree in Physics, the M.Sc. degree in Optics and Laser and the Ph.D. degree in Photonic crystal nanocavities. His research interests are in Photonics, Plasmonic, and Nanotechnology.

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