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

Mandeep Singh; Sanjeev Kumar Raghuwanshi; Om Prakash

doi:10.1109/JSEN.2019.2897616

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

Mandeep Singh, Sanjeev Kumar Raghuwanshi, Om Prakash

Department of Electronics and Communication Engineering, Manipal Institute of Technology, Manipal

Research output: Contribution to journal › Article › peer-review

16 Citations (Scopus)

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 language	English
Article number	8635558
Pages (from-to)	4039-4044
Number of pages	6
Journal	IEEE Sensors Journal
Volume	19
Issue number	11
DOIs	https://doi.org/10.1109/JSEN.2019.2897616
Publication status	Published - 01-06-2019

All Science Journal Classification (ASJC) codes

Instrumentation
Electrical and Electronic Engineering

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10.1109/JSEN.2019.2897616

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title = "Modeling of Grating Assisted Hybrid Plasmonic Filter and Its On-Chip Gas Sensing Application",

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. ",

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

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