Maple-leaf shaped broadband optical nano-antenna with hybrid plasmonic feed for nano-photonic applications

Inzamam Ahmad, Shakir Ullah, Jalal Ud Din, Sadiq Ullah, Waseem Ullah, Usman Habib, Salahuddin Khan, Jaume Anguera

Research output: Indexed journal article Articlepeer-review

8 Citations (Scopus)

Abstract

This article presents a broadband optical nano-antenna, which covers a broader range of optical communication wavelengths (666 to 6000 nm), used in nano-photonic applications. The proposed design is modeled and analyzed to obtain a satisfactory gain of up to 11.4 dBi for a single element-based antenna. The unique feature of the proposed antenna is the hybrid plasmonic waveguide-based feed, which receives the optical signal from the planar waveguide and redirects the signal out of the plane. The proposed antenna provides highly directional radiation properties, which makes it a suitable candidate for inter-and intra-chip optical communications and sensing applications. Moreover, an extension of the work is performed for an array configuration of the order 2 × 1 and 64 × 1, to increase the gain and directionality. Therefore, this shows that it can be equally useful for optical energy harvesting applications with a significant gain up to 26.8 dBi.

Original languageEnglish
Article number8893
JournalApplied Sciences (Switzerland)
Volume11
Issue number19
DOIs
Publication statusPublished - 1 Oct 2021

Keywords

  • Nano-photonic
  • On-chip optical communication
  • Optical energy harvesting
  • Optical nano-antenna

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