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Compact triangular resonator without direct coupling between two access waveguides
- Authors
- Kim, D. G.; Oh, G. Y.; Choi, W. K.; Kim, H. J.; Kim, S. H.; Ki, H. C.; Kim, S. T.; Ko, H. J.; Kim, T. U.; Yang, M. H.; Kim, H. J.; Dagli, N.; Choi, Y. W.
- Issue Date
- Sep-2008
- Publisher
- INST ENGINEERING TECHNOLOGY-IET
- Citation
- ELECTRONICS LETTERS, v.44, no.20, pp 1192 - 1193
- Pages
- 2
- Journal Title
- ELECTRONICS LETTERS
- Volume
- 44
- Number
- 20
- Start Page
- 1192
- End Page
- 1193
- ISSN
- 0013-5194
1350-911X
- Abstract
- Novel triangular resonators containing active and passive sections have been fabricated and characterised with various multimode-interference (MMI) lengths. The optimum MMI length and width turn out to be 108 and 9 mu m, respectively. A free spectral range of approximately 228 GHz is observed near 1558 nm along with an on off ratio of 9 dB. The proposed triangular resonator has the advantage of removing the direct coupling between the two access waveguides of the MMI coupler.
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