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Proceedings Paper

All-optical switching using color centers in irradiated silica fibers
Author(s): Robert W. Sadowski; Michel J. F. Digonnet; Richard H. Pantell; H. John Shaw
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Paper Abstract

We report an all-optical switch in a two-mode silica fiber based on a resonant nonlinearity introduced by color centers in an irradiated P2O5-SiO2 fiber. Full switching of a 900 nm signal was observed in a 22 cm length of fiber for only 1 (mu) J of absorbed 532 nm pump energy, with a projected response time under 10 ns. This switch operated with a peak power two orders of magnitude lower than for a comparable Kerr effect device operated under identical conditions. Photobleaching was observed and is believed to be a solvable issue.

Paper Details

Date Published: 3 October 1994
PDF: 7 pages
Proc. SPIE 2289, Doped Fiber Devices and Systems, (3 October 1994); doi: 10.1117/12.188701
Show Author Affiliations
Robert W. Sadowski, Stanford Univ. (United States)
Michel J. F. Digonnet, Stanford Univ. (United States)
Richard H. Pantell, Stanford Univ. (United States)
H. John Shaw, Stanford Univ. (United States)

Published in SPIE Proceedings Vol. 2289:
Doped Fiber Devices and Systems
Michel J. F. Digonnet, Editor(s)

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