Yes, it is becoming more and more common with long range aircraft with a good ETOPS capability, such as the 777. The wide availability of IRS/FMS and GPS and the end of the Cold War has now meant that the polar routes are a far more feasible option than they were, say, 20 years ago. The shortest way between Europe and Japan, or USA and China is over the pole, and that is where more and more airlines are now routing.