Computational study of photonic crystals nano-ring resonator for biochemical sensing

Fu Li Hsiao, Chengkuo Lee

Research output: Contribution to journalArticle

86 Citations (Scopus)

Abstract

We investigated the characteristics of photonic crystals (PCs) nano-ring resonators as biochemical sensors theoretically. The new nano-ring resonators were formed by removing holes of a hexagon from a two-dimensional (2-D) silicon PC slab in hexagonal lattice. Resonant peak with quality factor of about 3000 is reported. Biomolecules, e.g., DNAs, trapped in a hole functionalized with molecule probes made the wavelength shift of resonant peak derived in the output terminal. The sensitivity of various sensing holes along the nano-ring was characterized. This new PC nano-ring resonator demonstrated promising features as a biochemical sensor.

Original languageEnglish
Article number5466488
Pages (from-to)1185-1191
Number of pages7
JournalIEEE Sensors Journal
Volume10
Issue number7
DOIs
Publication statusPublished - 2010 May 31

All Science Journal Classification (ASJC) codes

  • Instrumentation
  • Electrical and Electronic Engineering

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