We describe a novel compact power splitter with tunable power splitting ratios based on multimode interference couplers employing area modulation in a polymer.
The high-lying triply excited 3l3l′nl″ 2po (n ≥ 3) states of the double hollow lithium atom are studied by using the saddle-point variational method. Relativ
A three-rod series resonator cw Nd:YAG laser suitable for the industrial applications is presented. The symmetrical resonator laser has been developed and is ra