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Silicon-on-insulator all-pass microring resonators using a polarization rotating coupling section

Peter De Heyn (UGent) , Diedrik Vermeulen (UGent) , Dries Van Thourhout (UGent) and Günther Roelkens (UGent)
(2012) IEEE PHOTONICS TECHNOLOGY LETTERS. 24(14). p.1176-1178
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Center for nano- and biophotonics (NB-Photonics)
Abstract
We propose a novel microring resonator concept that uses a polarization rotating asymmetrical directional coupler. The quasi-transverse electric polarized mode in the bus waveguide is used to excite the quasi-transverse magnetic (TM) polarized mode in the microring. This enables the realization of microrings with a high quality factor due to the lower scattering loss of the quasi-TM polarized mode. We demonstrate the operation principle with two all-pass microrings with radius 30 mu m, working in the critically coupled regime with a quality factor of 31 000 and in the under-coupled regime with a quality factor of 125 000.
Keywords
Microring resonators, polarization rotator, silicon-on-insulator (SOI)

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Chicago
De Heyn, Peter, Diedrik Vermeulen, Dries Van Thourhout, and Günther Roelkens. 2012. “Silicon-on-insulator All-pass Microring Resonators Using a Polarization Rotating Coupling Section.” Ieee Photonics Technology Letters 24 (14): 1176–1178.
APA
De Heyn, Peter, Vermeulen, D., Van Thourhout, D., & Roelkens, G. (2012). Silicon-on-insulator all-pass microring resonators using a polarization rotating coupling section. IEEE PHOTONICS TECHNOLOGY LETTERS, 24(14), 1176–1178.
Vancouver
1.
De Heyn P, Vermeulen D, Van Thourhout D, Roelkens G. Silicon-on-insulator all-pass microring resonators using a polarization rotating coupling section. IEEE PHOTONICS TECHNOLOGY LETTERS. 2012;24(14):1176–8.
MLA
De Heyn, Peter, Diedrik Vermeulen, Dries Van Thourhout, et al. “Silicon-on-insulator All-pass Microring Resonators Using a Polarization Rotating Coupling Section.” IEEE PHOTONICS TECHNOLOGY LETTERS 24.14 (2012): 1176–1178. Print.
@article{2996948,
  abstract     = {We propose a novel microring resonator concept that uses a polarization rotating asymmetrical directional coupler. The quasi-transverse electric polarized mode in the bus waveguide is used to excite the quasi-transverse magnetic (TM) polarized mode in the microring. This enables the realization of microrings with a high quality factor due to the lower scattering loss of the quasi-TM polarized mode. We demonstrate the operation principle with two all-pass microrings with radius 30 mu m, working in the critically coupled regime with a quality factor of 31 000 and in the under-coupled regime with a quality factor of 125 000.},
  author       = {De Heyn, Peter and Vermeulen, Diedrik and Van Thourhout, Dries and Roelkens, G{\"u}nther},
  issn         = {1041-1135},
  journal      = {IEEE PHOTONICS TECHNOLOGY LETTERS},
  keyword      = {Microring resonators,polarization rotator,silicon-on-insulator (SOI)},
  language     = {eng},
  number       = {14},
  pages        = {1176--1178},
  title        = {Silicon-on-insulator all-pass microring resonators using a polarization rotating coupling section},
  url          = {http://dx.doi.org/10.1109/LPT.2012.2198460},
  volume       = {24},
  year         = {2012},
}

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