## Abstract The causes of the spectral instability of poly[9,9βdioctylfluorenβ2,7βdiylβcoβ2β²,7β²βspiro(cyclohexaneβ1,9β²βfluorene)] during thermal annealing in air, which leads to a green photoluminescence (PL) emission band, are investigated. The __I__~green~/__I__~blue~ ratio evolution (__I__β=βint
The Role of the Thermal Oxide in GaAs-Based Photonic Bandgap Waveguide Microcavities
β Scribed by Kuo-Yi Lim; Daniel J. Ripin; Gale S. Petrich; Pierre R. Villeneuve; Shanhui Fan; J. D. Joannopoulos; Erich P. Ippen; Leslie A. Kolodziejski
- Publisher
- John Wiley and Sons
- Year
- 1999
- Tongue
- English
- Weight
- 677 KB
- Volume
- 11
- Category
- Article
- ISSN
- 0935-9648
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## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a βFull Textβ option. The original article is trackable v
## Abstract Devices based on twoβdimensional (2D) photonic crystals (PCs) are typically realized as 3D structures consisting of an array of holes (or rods) vertically etched through a slab waveguide. The existence of holes in a slab waveguide may induce strong radiation losses to the slab claddings