Natarajan, SR and Srinivas, T and Joseph, MJ and Selvarajan, A (1998) Fabrication of rare-earth doped sol-gel based composite planar optical waveguides on glass. In: SPIE-International Conference on Applications of Photonic Technology III: Closing the Gap between Theory, Development, and Applications, 29-31 July 1998, Ottawa, Ont., Canada, Vol.3491, 371-373.
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Incorporation of active materials, such as neodymium $(Nd^{3+})$ and erbium $(Er^{3+})$ in suitable host media has potential applications in lasers and amplifiers. We have fabricated composite planar waveguides on glass substrates doped with $Nd^{3+}$ and $Er^{3+}$ ions using the sol-gel process. The composite sol-gel was prepared using polyvinylpyrrolidone as the organic part, while tetraethyl orthosilicate and titanium isopropoxide formed the inorganic part. The samples were prism coupled and it was found that they supported a single mode at λ=633 nm. The gain measurement of the $Nd^{3+}$ samples have also been carried out
| Item Type: | Conference Paper |
|---|---|
| Publisher: | Society of Photo-Optical Instrumentation Engineers (SPIE) |
| Additional Information: | Copyright of this article belongs to Society of Photo-Optical Instrumentation Engineers. |
| Department/Centre: | Division of Electrical Sciences > Electrical Communication Engineering |
| Date Deposited: | 25 May 2007 |
| Last Modified: | 27 Aug 2008 12:40 |
| URI: | http://eprints.iisc.ac.in/id/eprint/10049 |
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