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Journal Article
Temperature Dependence of Low Loss Polymeric AWG
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- Authors
- Jong Moo Lee, Yong Soon Baek, Kwang Ryong Oh, Hyung Jong Lee, Yong Seok Kim
- Issue Date
- 2007-02
- Citation
- Optics Communications, v.270, no.2, pp.189-194
- ISSN
- 0030-4018
- Publisher
- Elsevier
- Language
- English
- Type
- Journal Article
- Abstract
- We investigate on the variation of loss and temperature dependence of a polymeric arrayed waveguide grating (AWG) depending on its substrate, by fabricating 16-channel polymeric AWGs with various substrate conditions. Insertion loss for a polymeric AWG on a silicon substrate is measured as low as 3.1 dB. The temperature-dependent wavelength shift for a polymeric AWG detached from the substrate is maintained within 0.1 nm from 20 to 80 °C. But we observe a degradation of insertion loss and a little instability in wavelength characteristics both for the detached polymeric AWG and for a polymeric AWG on a polymer substrate. We investigate on those optical properties of the polymeric AWGs based on measured thermal expansion properties of the polymers. © 2006 Elsevier B.V. All rights reserved.
- KSP Keywords
- 16-channel, Silicon substrate, Temperature-dependent, Thermal expansion properties, arrayed waveguide grating(AWG), insertion loss, low loss, optical properties, polymer substrate, temperature dependence, wavelength shift