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High index contrast photonic platforms for on-chip Raman spectroscopy

(2019) OPTICS EXPRESS. 27(16). p. 23067-23079
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Center for nano- and biophotonics (NB-Photonics)
Abstract
Nanophotonic waveguide enhanced Raman spectroscopy (NWERS) is a sensing technique that uses a highly confined waveguide mode to excite and collect the Raman scattered signal from molecules in close vicinity of the waveguide. The most important parameters defining the figure of merit of an NWERS sensor include its ability to collect the Raman signal from an analyte, i.e. "the Raman conversion efficiency" and the amount of "Raman background" generated from the guiding material. Here, we compare different photonic integrated circuit (PIC) platforms capable of on-chip Raman sensing in terms of the aforementioned parameters. Among the four photonic platforms under study, tantalum oxide and silicon nitride waveguides exhibit high signal collection efficiency and low Raman background. In contrast, the performance of titania and alumina waveguides suffers from a strong Raman background and a weak signal collection efficiency, respectively.
Keywords
WAVE-GUIDES, EVANESCENT EXCITATION, SCATTERING, SURFACE, COLLECTION, EMISSION, SPECTRA, LAYERS, SLOT

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Citation

Please use this url to cite or link to this publication:

MLA
Raza, Ali et al. “High Index Contrast Photonic Platforms for On-chip Raman Spectroscopy.” OPTICS EXPRESS 27.16 (2019): 23067–23079. Print.
APA
Raza, Ali, Clemmen, S., Wuytens, P., de Goede, M., Tong, A. S., Le Thomas, N., Liu, C., et al. (2019). High index contrast photonic platforms for on-chip Raman spectroscopy. OPTICS EXPRESS, 27(16), 23067–23079.
Chicago author-date
Raza, Ali, Stéphane Clemmen, Pieter Wuytens, Michiel de Goede, Amy SK Tong, Nicolas Le Thomas, Chengyu Liu, et al. 2019. “High Index Contrast Photonic Platforms for On-chip Raman Spectroscopy.” Optics Express 27 (16): 23067–23079.
Chicago author-date (all authors)
Raza, Ali, Stéphane Clemmen, Pieter Wuytens, Michiel de Goede, Amy SK Tong, Nicolas Le Thomas, Chengyu Liu, Jin Suntivich, Andre Skirtach, Sonia M Garcia-Blanco, Daniel J Blumenthal, James S Wilkinson, and Roel Baets. 2019. “High Index Contrast Photonic Platforms for On-chip Raman Spectroscopy.” Optics Express 27 (16): 23067–23079.
Vancouver
1.
Raza A, Clemmen S, Wuytens P, de Goede M, Tong AS, Le Thomas N, et al. High index contrast photonic platforms for on-chip Raman spectroscopy. OPTICS EXPRESS. 2019;27(16): 23067–79.
IEEE
[1]
A. Raza et al., “High index contrast photonic platforms for on-chip Raman spectroscopy,” OPTICS EXPRESS, vol. 27, no. 16, pp. 23067–23079, 2019.
@article{8626690,
  abstract     = {Nanophotonic waveguide enhanced Raman spectroscopy (NWERS) is a sensing technique that uses a highly confined waveguide mode to excite and collect the Raman scattered signal from molecules in close vicinity of the waveguide. The most important parameters defining the figure of merit of an NWERS sensor include its ability to collect the Raman signal from an analyte, i.e. "the Raman conversion efficiency" and the amount of "Raman background" generated from the guiding material. Here, we compare different photonic integrated circuit (PIC) platforms capable of on-chip Raman sensing in terms of the aforementioned parameters. Among the four photonic platforms under study, tantalum oxide and silicon nitride waveguides exhibit high signal collection efficiency and low Raman background. In contrast, the performance of titania and alumina waveguides suffers from a strong Raman background and a weak signal collection efficiency, respectively.},
  author       = {Raza, Ali and Clemmen, Stéphane and Wuytens, Pieter and de Goede, Michiel and Tong, Amy SK and Le Thomas, Nicolas and Liu, Chengyu and Suntivich, Jin and Skirtach, Andre and Garcia-Blanco, Sonia M and Blumenthal, Daniel J and Wilkinson, James S and Baets, Roel},
  issn         = {1094-4087},
  journal      = {OPTICS EXPRESS},
  keywords     = {WAVE-GUIDES,EVANESCENT EXCITATION,SCATTERING,SURFACE,COLLECTION,EMISSION,SPECTRA,LAYERS,SLOT},
  language     = {eng},
  number       = {16},
  pages        = { 23067--23079},
  title        = {High index contrast photonic platforms for on-chip Raman spectroscopy},
  url          = {http://dx.doi.org/10.1364/oe.27.023067},
  volume       = {27},
  year         = {2019},
}

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