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Micro-ring resonator quality factor enhancement via an integrated Fabry-Perot cavity
Open accessAbstract
We propose and experimentally demonstrate the enhancement in the filtering quality (Q) factor of an integrated micro-ring resonator (MRR) by embedding it in an integrated Fabry-Perot (FP) cavity formed by cascaded Sagnac loop reflectors. By utilizing coherent interference within the FP cavity to reshape the transmission spectrum of the MRR, both the Q factor and the extinction ratio (ER) can be significantly improved. The device is theoretically analyzed and practically fabricated on a silicon-on-insulator wafer. Experimental results show that up to 11-times improvement in the Q factor, together with an 8-dB increase in the ER, can be achieved via our proposed method. The impact of varying structural parameters on the device performance is also investigated and verified by the measured spectra of the fabricated devices with different structural parameters.
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Bogaerts, W., De Heyn, P., Van Vaerenbergh, T., De Vos, K., Kumar Selvaraja, S., Claes, T., Dumon, P., Bienstman, P., Van Thourhout, D., & Baets, R. (2012) · Laser & Photonics Reviews · doi:10.1002/lpor.201100017 · Cited by 2,643
Ultra-high-Q toroid microcavity on a chip
Armani, D. K., Kippenberg, T. J., Spillane, S. M., & Vahala, K. J. (2003) · Nature · doi:10.1038/nature01371 · Cited by 2,214
Cited by
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Self-citation2D Layered Graphene Oxide Films Integrated with Micro‐Ring Resonators for Enhanced Nonlinear Optics
Wu, J., Yang, Y., Qu, Y., Jia, L., Zhang, Y., Xu, X., Chu, S. T., Little, B. E., Morandotti, R., Jia, B., et al. (2020) · Small · doi:10.1002/smll.201906563 · Cited by 313
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Metadata
- Authors
- Wu, J., Moein, T., Xu, X., Ren, G., Mitchell, A., & Moss, D. J.
- Venue
- APL Photonics
- Publisher
- AIP Publishing
- Published
- 2017-04-20
- Volume
- 2
- Issue
- 5
- ISSN
- 2378-0967 (ISSN-L)
- OpenAlex
- W2607324950
- Cited by
- 246
- References
- 2
- FWCI
- 7.72
- Type
- journal article
- Language
- en
- Open access
- gold
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