We have observed very large probe beam gain (up to 600 percent) in a thin film (100 μm) of nematic liquid crystal, for a low pump beam intensity on the order of 2 W/cm2. The effect is nonlinearly dependent on the pump intensity and the wave mixing angle.
All Science Journal Classification (ASJC) codes
- Atomic and Molecular Physics, and Optics
- Condensed Matter Physics
- Electrical and Electronic Engineering