Franz-Keldysh effect


Also found in: Acronyms, Wikipedia.

Franz-Keldysh effect

[¦fränts ′kel·dəsh i‚fekt]
(optics)
A shift to longer wavelength in the spectrum transmitted by a semiconductor when a strong electric field is applied.
Mentioned in ?
References in periodicals archive ?
Garcia, "Tunneling assisted two-photon absorption: the nonlinear Franz-Keldysh effect," Physical Review B, vol.
"There we use the Franz-Keldysh effect to get a larger [change in refractive index] than before."
But using the Franz-Keldysh effect requires operating with a grating that has twice the frequency of the linear electro-optic effect near the bandgap.