A study on multiple photon-gated persistent spectral hole burning and photoproduct in a system of frequency-domain storage material

This paper reports recent advances in the study on multiple photon-gated spectral hole burning and its photoproduct in a system of Zn-tetrabenzoporphin-crotonic acid-phenoxy resin at liquid helium temperature. The influences of gating-light inducing hole-erasing and satellite holes causing hole-filling on the formation of multiple holes are analyzed. A spectrum of more than 100 multiple photon-gated spectral holes burnt over a whole absorption band is presented. The photoproduct after hole burning was also observed indicating the hole burning process to be donor-acceptor electron transfer reaction.