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Resonant Cavity-Enhanced Photodiode Array for Miniaturised Spectroscopic Sensing

Research output: Contribution to Journal/Magazine › Journal article › peer-review

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Resonant Cavity-Enhanced Photodiode Array for Miniaturised Spectroscopic Sensing. / Bainbridge, Andrew; Hanks, Laura; Craig, Adam et al.
In: Optics Express, Vol. 30, No. 3, 3230, 18.01.2022.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Bainbridge, A, Hanks, L, Craig, A & Marshall, A 2022, 'Resonant Cavity-Enhanced Photodiode Array for Miniaturised Spectroscopic Sensing', Optics Express, vol. 30, no. 3, 3230. https://doi.org/10.1364/OE.444547

APA

Bainbridge, A., Hanks, L., Craig, A., & Marshall, A. (2022). Resonant Cavity-Enhanced Photodiode Array for Miniaturised Spectroscopic Sensing. Optics Express, 30(3), Article 3230. https://doi.org/10.1364/OE.444547

Vancouver

Bainbridge A, Hanks L, Craig A, Marshall A. Resonant Cavity-Enhanced Photodiode Array for Miniaturised Spectroscopic Sensing. Optics Express. 2022 Jan 18;30(3):3230. doi: 10.1364/OE.444547

Author

Bainbridge, Andrew ; Hanks, Laura ; Craig, Adam et al. / Resonant Cavity-Enhanced Photodiode Array for Miniaturised Spectroscopic Sensing. In: Optics Express. 2022 ; Vol. 30, No. 3.

Bibtex

@article{6f17df1096914a888074da0b325b41b0,
title = "Resonant Cavity-Enhanced Photodiode Array for Miniaturised Spectroscopic Sensing",
abstract = "Optical spectroscopic sensing is a technique that is commonly employed for theidentification and compositional analysis of a wide variety of substances, from biological samples to greenhouse gases. High-resolution spectrometers are well established, however, attempts to miniaturise the designs can suffer from adverse effects due to the miniaturisation, for both Fourier transform based interferometric designs, as well as dispersive designs. In this work a linear array of resonant cavity-enhanced photodiodes is realised with spatially chirped resonance wavelength, offering chip-scale free-space hyperspectral sensing. Resonant cavity-enhanced photodiodes sense over a narrow spectral band, which can be tuned by the thicknesses of the heterostructure. Through this work, multiple narrow spectral bands can be sensed by resonant cavity-enhanced photodiodes on a single chip by grading the thicknesses across the wafer. Photocurrent measurements from a fabricated array determine the wavelength of incident light with an accuracy of ± 2 nm.",
author = "Andrew Bainbridge and Laura Hanks and Adam Craig and Andrew Marshall",
year = "2022",
month = jan,
day = "18",
doi = "10.1364/OE.444547",
language = "English",
volume = "30",
journal = "Optics Express",
issn = "1094-4087",
publisher = "Optical Society of American (OSA)",
number = "3",

}

RIS

TY - JOUR

T1 - Resonant Cavity-Enhanced Photodiode Array for Miniaturised Spectroscopic Sensing

AU - Bainbridge, Andrew

AU - Hanks, Laura

AU - Craig, Adam

AU - Marshall, Andrew

PY - 2022/1/18

Y1 - 2022/1/18

N2 - Optical spectroscopic sensing is a technique that is commonly employed for theidentification and compositional analysis of a wide variety of substances, from biological samples to greenhouse gases. High-resolution spectrometers are well established, however, attempts to miniaturise the designs can suffer from adverse effects due to the miniaturisation, for both Fourier transform based interferometric designs, as well as dispersive designs. In this work a linear array of resonant cavity-enhanced photodiodes is realised with spatially chirped resonance wavelength, offering chip-scale free-space hyperspectral sensing. Resonant cavity-enhanced photodiodes sense over a narrow spectral band, which can be tuned by the thicknesses of the heterostructure. Through this work, multiple narrow spectral bands can be sensed by resonant cavity-enhanced photodiodes on a single chip by grading the thicknesses across the wafer. Photocurrent measurements from a fabricated array determine the wavelength of incident light with an accuracy of ± 2 nm.

AB - Optical spectroscopic sensing is a technique that is commonly employed for theidentification and compositional analysis of a wide variety of substances, from biological samples to greenhouse gases. High-resolution spectrometers are well established, however, attempts to miniaturise the designs can suffer from adverse effects due to the miniaturisation, for both Fourier transform based interferometric designs, as well as dispersive designs. In this work a linear array of resonant cavity-enhanced photodiodes is realised with spatially chirped resonance wavelength, offering chip-scale free-space hyperspectral sensing. Resonant cavity-enhanced photodiodes sense over a narrow spectral band, which can be tuned by the thicknesses of the heterostructure. Through this work, multiple narrow spectral bands can be sensed by resonant cavity-enhanced photodiodes on a single chip by grading the thicknesses across the wafer. Photocurrent measurements from a fabricated array determine the wavelength of incident light with an accuracy of ± 2 nm.

U2 - 10.1364/OE.444547

DO - 10.1364/OE.444547

M3 - Journal article

VL - 30

JO - Optics Express

JF - Optics Express

SN - 1094-4087

IS - 3

M1 - 3230

ER -