Photorefractive damage removal in annealed-proton-exchanged LiNbO3 channel waveguides
Robertson, Elaine E., Eason, Robert W., Yokoo, Yoshiatsu and Chandler, Peter J. (1997) Photorefractive damage removal in annealed-proton-exchanged LiNbO3 channel waveguides. Applied Physics Letters, 70, (16), 2094-2096.
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Description/Abstract
Ion beam implantation has been used as a postprocessing technique to dramatically reduce the photorefractive effect in lithium niobate channel waveguides. The waveguides were fabricated by proton exchange and then annealed 1.0 MeV H+ ions were implanted through the existing channel waveguides such that the "damaged layer" was created beneath the existing channel waveguide. The output characteristics from the waveguides were subsequently examined. Highly stable, single-mode outputs were observed with the waveguides retaining up to 95% of their original transmission. It is thought that this decrease in photorefractive susceptibility can be explained by the implant changing the defect structure and hence photovoltaic properties of the material
| Item Type: | Article |
|---|---|
| Additional Information: | |
| ISSNs: | 0003-6951 (print) 1520-8842 (electronic) |
| Related URLs: | |
| Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering Q Science > QC Physics |
| Divisions: | University Structure - Pre August 2011 > Optoelectronics Research Centre |
| Item ID: | 78021 |
| Date Deposited: | 11 Mar 2010 |
| Last Modified: | 01 Jun 2011 01:28 |
| Contributors: | Robertson, Elaine E. (Author) Eason, Robert W. (Author) Yokoo, Yoshiatsu (Author) Chandler, Peter J. (Author) |
| Date: | April 1997 |
| Additional Information: | |
| Status: | Published |
| URI: | http://eprints.soton.ac.uk/id/eprint/78021 |
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