Modeling of Grating Assisted Hybrid Plasmonic Filter and Its On-Chip Gas Sensing Application

Mandeep Singh, Sanjeev Kumar Raghuwanshi, Om Prakash

Research output: Contribution to journalArticle

Abstract

A dual-band stop vertical hybrid plasmonic filter based on the silicon nitride fin Bragg grating (FBG) is designed and simulated in the infra-red band. It consists of the two silicon nitride FBGs embedded in the silicon waveguide separated by L SP spacing. Finite element method-based 3D-COMSOL simulation shows two stop band wavelengths at 1.462 and 1.515 μm, respectively. Furthermore, its on-chip methane gas sensing application for coal mines is also investigated. The proposed filter-cum-sensor is the complementary metal-oxide-semiconductor compatible demonstrating 856.50-nm/RIU sensitivity, 120-RIU -1 figure of merit, 6.34 × 10 -2 RIU limit of detection, and 0.52-nm/K temperature sensitivity.

Original languageEnglish
Article number8635558
Pages (from-to)4039-4044
Number of pages6
JournalIEEE Sensors Journal
Volume19
Issue number11
DOIs
Publication statusPublished - 01-06-2019

Fingerprint

Silicon nitride
chips
gratings
filters
silicon nitrides
Bragg gratings
Gases
Coal mines
gases
Methane
Waveguides
fins
Infrared radiation
Finite element method
figure of merit
coal
Silicon
Wavelength
CMOS
Sensors

All Science Journal Classification (ASJC) codes

  • Instrumentation
  • Electrical and Electronic Engineering

Cite this

Singh, Mandeep ; Raghuwanshi, Sanjeev Kumar ; Prakash, Om. / Modeling of Grating Assisted Hybrid Plasmonic Filter and Its On-Chip Gas Sensing Application. In: IEEE Sensors Journal. 2019 ; Vol. 19, No. 11. pp. 4039-4044.
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Modeling of Grating Assisted Hybrid Plasmonic Filter and Its On-Chip Gas Sensing Application. / Singh, Mandeep; Raghuwanshi, Sanjeev Kumar; Prakash, Om.

In: IEEE Sensors Journal, Vol. 19, No. 11, 8635558, 01.06.2019, p. 4039-4044.

Research output: Contribution to journalArticle

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