All-optical switching using color centers in irradiated silica fibers

Robert W. Sadowski; Michel J. F. Digonnet; Richard H. Pantell; H. John Shaw

doi:10.1117/12.188701

3 October 1994 All-optical switching using color centers in irradiated silica fibers

Robert W. Sadowski, Michel J. F. Digonnet, Richard H. Pantell, H. John Shaw

Proceedings Volume 2289, Doped Fiber Devices and Systems; (1994) https://doi.org/10.1117/12.188701
Event: SPIE's 1994 International Symposium on Optics, Imaging, and Instrumentation, 1994, San Diego, CA, United States

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.

Citation Download Citation

Robert W. Sadowski, Michel J. F. Digonnet, Richard H. Pantell, and H. John Shaw "All-optical switching using color centers in irradiated silica fibers", Proc. SPIE 2289, Doped Fiber Devices and Systems, (3 October 1994); https://doi.org/10.1117/12.188701

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