Abstract
We report observation of four- and five-photon absorption in the chalcogenide glasses at the telecommunication wavelengths. The nonlinear refractive index is sufficiently large that the optical switching criterion is satisfied. © 2001 American Institute of Physics.
Original language | English |
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Pages (from-to) | 1939-1941 |
Number of pages | 3 |
Journal | Applied Physics Letters |
Volume | 79 |
Issue number | 13 |
DOIs | |
Publication status | Published - 24 Sept 2001 |