In this thesis, we study the biphotonic effect, which is caused by pumping two photons of different wavelengths (one red and one green light) in a DDLC film.

• 本论文将提出在偶氮染料掺杂液晶薄膜中由两种不同光子所产生的双光子效应(一道红光及一道绿光)。