AdvR Specializes in engineered nonlinear optical chips and devices. Products include frequency conversion units based on bulk and waveguide PPKTP, PPMgO:LN, and PPLN. Custom interactions include SHG, SFG, DFG, THG for moderate powers to single photon interactions. AdvR’s waveguide-based downconversion devices offer high rate photon pair generation. Our KTP waveguide-based phase modulators for high power visible-NIR operation are ideal for trapped atom and ion systems. Custom solutions available.