Strain, M. J. and Sorel, M. (2014) Optimized coupler design for slot waveguide ring resonators. IEEE Photonics Technology Letters, 26(3), pp. 224-226. (doi: 10.1109/LPT.2013.2290693)
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Publisher's URL: http://dx.doi.org/10.1109/LPT.2013.2290693
Abstract
The highly sensitive nature of slot waveguide micro-resonator power couplers is discussed with respect to the resonator geometry and evanescent coupler design. A modified, tri-bar, evanescent field coupler is demonstrated that shows reduced sensitivity to ring radius as compared with conventional couplers, while maintaining a compact beat-length of only a few micrometers. With the measurement of bending losses of curved slot waveguides, critically coupled ring resonators were designed and fabricated, exhibiting a resonance extinction exceeding 22 dB.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Sorel, Professor Marc and Strain, Dr Michael |
| Authors: | Strain, M. J., and Sorel, M. |
| College/School: | College of Science and Engineering > School of Engineering > Electronics and Nanoscale Engineering |
| Journal Name: | IEEE Photonics Technology Letters |
| Publisher: | IEEE |
| ISSN: | 1041-1135 |
| ISSN (Online): | 1941-0174 |
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