High-Q Slot-Mode Photonic Crystal Nanobeam Cavity Biosensor With Optomechanically Enhanced Sensitivity

Erdil M. , Ozer Y., Kocaman S.

IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS, vol.25, 2019 (Journal Indexed in SCI) identifier identifier

  • Publication Type: Article / Article
  • Volume: 25
  • Publication Date: 2019
  • Doi Number: 10.1109/jstqe.2018.2880592
  • Title of Journal : IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS
  • Keywords: Biosensors, optomechanical feedback, sensitivity, slot cavity, GRAPHENE, NANOPARTICLES, NANOCAVITY

Abstract

A biosensor design based on a photonic crystal nanobeam cavity with an optomechanical positive feedback mechanism is proposed. Design of the cavity and optomechanical sensitivity enhancement method are numerically analyzed and the results show that fourfold improvement is possible without any degradation of the Q-factor.