Nonlinear optical properties of chalcogenide glasses: Observation of multiphoton absorption

Bindra, K. S.; Bookey, H. T.; Kar, A. K.; Wherrett, B. S.; Liu, X.; Jha, A.
September 2001
Applied Physics Letters;9/24/2001, Vol. 79 Issue 13
Academic Journal
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.


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