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A compact two-dimensional grating coupler used as a polarization splitter
Abstract
We demonstrate a novel polarization splitter based on a two-dimensional grating etched in a silicon-on-insulator waveguide. The device couples orthogonal modes from a single-mode optical fiber into identical modes of two planar ridge waveguides. The extinction ratio is better than 18 dB in the wavelength range of 1530-1560 nm and the coupling efficiency is approximately 20%. The device is very compact and couples light only to transverse-electric modes of the planar waveguides. Therefore, it may be used in a polarization diversity configuration to implement a polarization insensitive photonic integrated circuit based on photonic crystal waveguides.
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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
Coupling strategies for silicon photonics integrated chips [Invited]
Marchetti, R., Lacava, C., Carroll, L., Gradkowski, K., & Minzioni, P. (2019) · Photonics Research · doi:10.1364/prj.7.000201 · Cited by 635
Polarization management for silicon photonic integrated circuits
Dai, D., Liu, L., Gao, S., Xu, D., & He, S. (2013) · Laser & Photonics Reviews · doi:10.1002/lpor.201200023 · Cited by 398
Grating Couplers on Silicon Photonics: Design Principles, Emerging Trends and Practical Issues
Cheng, L., Mao, S., Li, Z., Han, Y., & Fu, H. (2020) · Micromachines · doi:10.3390/mi11070666 · Cited by 299
High-efficiency broadband light coupling between optical fibers and photonic integrated circuits
Son, G., Han, S., Park, J., Kwon, K., & Yu, K. (2017) · Nanophotonics · doi:10.1515/nanoph-2018-0075 · Cited by 192
Metadata
- Authors
- Taillaert, D., Chong, H., Borel, P. I., Frandsen, L. H., De La Rue, R. M., & Baets, R.
- Venue
- IEEE Photonics Technology Letters
- Published
- 2003-09
- Volume
- 15
- Issue
- 9
- Pages
- 1249-1251
- ISSN
- 1041-1135 (ISSN-L)
- 1941-0174
- OpenAlex
- W2139820381
- Cited by
- 380
- References
- 0
- FWCI
- 14.41
- Type
- journal article
- Language
- en
- Open access
- closed
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- Taillaert, D., Chong, H., Borel, P. I., Frandsen, L. H., De La Rue, R. M., & Baets, R. (2003). A compact two-dimensional grating coupler used as a polarization splitter. IEEE Photonics Technology Letters. https://doi.org/10.1109/lpt.2003.816671
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