Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Microring Distributed Sensors Using Electron Cloud Generated by Four-point Probe Sagnac Interferometer

Version 1 : Received: 10 February 2021 / Approved: 11 February 2021 / Online: 11 February 2021 (11:05:52 CET)

How to cite: Garhwal, A.; Arumona, A.E.; Ray, K.; Youplao, P.; Singh, G.; Yupapin, P. Microring Distributed Sensors Using Electron Cloud Generated by Four-point Probe Sagnac Interferometer. Preprints 2021, 2021020279 (doi: 10.20944/preprints202102.0279.v1). Garhwal, A.; Arumona, A.E.; Ray, K.; Youplao, P.; Singh, G.; Yupapin, P. Microring Distributed Sensors Using Electron Cloud Generated by Four-point Probe Sagnac Interferometer. Preprints 2021, 2021020279 (doi: 10.20944/preprints202102.0279.v1).

Abstract

A micro Sagnac interferometer integration is proposed for electron cloud distributed sensors. The Sagnac interferometer consists of four microring probes integrated into a Sagnac loop. Each of the microring probes is embedded with the silver bars to form the plasmonic wave oscillation. At the center microrings, electrons are trapped and oscillated by the whispering gallery modes (WGMs), where the plasmonic antennas are established and applied for wireless fidelity (WiFi) and light fidelity (LiFi) transmissions for distributed sensors. The antenna gains are 2.59dB, 0.93dB, 1.75dB, and 1.16dB respectively for the four antennas formed at the center microrings. The polarized light of 1.50µm wavelength is fed into the interferometer input, which is polarized randomly into upstream and downstream directions. The polarization components can be obtained by the space-time modulation control. By controlling the electron cloud spin orientation, the space-time projection can be applied, and the ultra-high measurement resolution can be obtained in terms of fast switching time (change in phase). In manipulation, the applied stimuli are substituted by the change in input source power. The light input power variation causes a change in electron cloud density. Similarly, when the electron cloud is excited by the microscopic medium, which can be employed as the microscopic sensors. The WGM sensors have sensitivities of 1.35µm-2, 0.90µm-2, 0.97µm-2 and, 0.81µm-2, respectively. The WGMs behave as a four-point probe for the electron cloud distributed sensors, where the electron cloud sensitivities of 2.31 prads-1mm3 (electrons)-1, 2.27prads-1mm3 (electrons)-1, 2.22 prads-1mm3(electrons)-1, 2.38prads-1mm3(electrons)-1 are respectively obtained.

Subject Areas

distributed sensors; Sagnac interferometer; microring sensors; electron cloud sensors

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