Prior to THG, warez releases were haphazard, with multiple groups releasing the same title, usually after the title had been available in retail stores for weeks.
The revelation, which comes just days after international arrest warrants were issued for four THG executives, adds to the growing scandal engulfing the company.
Direct third harmonic generation (THG, also called frequency tripling) also exists and can be used to detect an interface between materials of different excitability.