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Temperature-Insensitive Dual-Comb Filter Based on Multimode Interference Ti:LiNbO3 Waveguide
- Authors
- Lee, Y. L.; Choi, Y. -W.; Jung, H. S.; Eom, T. J.; Shin, W.; Ko, D. -K.; Yang, W. -S.; Lee, H. -M.; Kim, W. -K.; Lee, H. -Y.
- Issue Date
- 15-Apr-2009
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
- Keywords
- Comb filters; integrated optics; optical waveguide filters; optical waveguides
- Citation
- IEEE PHOTONICS TECHNOLOGY LETTERS, v.21, no.8, pp.507 - 509
- Journal Title
- IEEE PHOTONICS TECHNOLOGY LETTERS
- Volume
- 21
- Number
- 8
- Start Page
- 507
- End Page
- 509
- ISSN
- 1041-1135
- Abstract
- A temperature-insensitive dual-comb filter has been demonstrated for the first time by multimode interference based on a Ti : LiNbO3 channel waveguide. The phase difference between comb filters was about 180 degrees. We only observed less than +/- 0.125-nm variation of the center wavelength of the filter during temperature change from 20 degrees C to 50 degrees C. The measured extinction ratio and channel spacing of the comb filter were about -25 dB and 3.2 THz, respectively.
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Related Researcher
- Jung, Hong sik
- Science & Technology (Department of Electronic & Electrical Convergence Engineering)