Patent · US Active

Photonic crystal slot waveguide miniature on-chip absorption spectrometer

US8282882B2 · kind B2 · utility

7Cited by
3References
16Claims
0Family size

Inventors

Key dates

Filing dateAug 23, 2010
Grant dateOct 9, 2012
Priority date—
Expiry dateAug 23, 2030

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02B2006/12138
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

Methods and systems for label-free on-chip optical absorption spectrometer consisting of a photonic crystal slot waveguide are disclosed. The invention comprises an on-chip integrated optical absorption spectroscopy device that combines the slow light effect in photonic crystal waveguide and optical field enhancement in a slot waveguide and enables detection and identification of multiple analytes to be performed simultaneously using optical absorption techniques leading to a device for chemical and biological sensing, trace detection, and identification via unique analyte absorption spectral signatures. Other embodiments are described and claimed.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.