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Slot-waveguide biochemical sensor
Abstract
We report an experimental demonstration of an integrated biochemical sensor based on a slot-waveguide microring resonator. The microresonator is fabricated on a Si3N4-SiO2 platform and operates at a wavelength of 1.3 microm. The transmission spectrum of the sensor is measured with different ambient refractive indices ranging from n=1.33 to 1.42. A linear shift of the resonant wavelength with increasing ambient refractive index of 212 nm/refractive index units (RIU) is observed. The sensor detects a minimal refractive index variation of 2x10(-4) RIU.
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Cited by
Waveguide sub‐wavelength structures: a review of principles and applications
Halir, R., Bock, P. J., Cheben, P., Ortega‐Moñux, A., Alonso‐Ramos, C., Schmid, J. H., Lapointe, J., Xu, D., Wangüemert‐Pérez, J. G., Molina‐Fernández, Í., et al. (2015) · Laser & Photonics Reviews · doi:10.1002/lpor.201400083 · Cited by 658
Silicon nitride in silicon photonics
Blumenthal, D. J., Heideman, R., Geuzebroek, D., Leinse, A., & Roeloffzen, C. (2018) · Proceedings of the IEEE · doi:10.1109/jproc.2018.2861576 · Cited by 641
On-chip gas detection in silicon optical microcavities
Robinson, J. T., Chen, L., & Lipson, M. (2008) · Optics Express · doi:10.1364/oe.16.004296 · Cited by 342
“Using a slot waveguide geometry we enhance the sensitivity of the resonance wavelength to changes in refractive index [2].”
MethodThermal independent Silicon-Nitride slot waveguide biosensor with high sensitivity
Tu, X., Song, J., Liow, T.-Y., Park, M. K., Yiying, J. Q., Kee, J. S., Yu, M., & Lo, G.-Q. (2012) · Optics Express · doi:10.1364/oe.20.002640 · Cited by 121
Lim, J., Shim, J., Kim, I., Kim, S. K., Lim, H., Ahn, S.-Y., Park, J., Geum, D.-M., & Kim, S. (2023) · Journal of Lightwave Technology · doi:10.1109/jlt.2023.3235745 · Cited by 19
Metadata
- Authors
- Barrios, C. A., Gylfason, K. B., Sánchez, B., Griol, A., Sohlström, H., Holgado, M., & Casquel, R.
- Venue
- Optics Letters
- Publisher
- Optica Publishing Group
- Published
- 2007-10-17
- Volume
- 32
- Issue
- 21
- Pages
- 3080
- ISSN
- 0146-9592 (ISSN-L)
- 1539-4794
- OpenAlex
- W2036405657
- Cited by
- 374
- References
- 0
- FWCI
- 21.42
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Slot-waveguide biochemical sensor. https://app.cochat.ai/papers/10.1364/ol.32.003080
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- Barrios, C. A., Gylfason, K. B., Sánchez, B., Griol, A., Sohlström, H., Holgado, M., & Casquel, R. (2007). Slot-waveguide biochemical sensor. Optics Letters. https://doi.org/10.1364/ol.32.003080
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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