It's probably best to separate the two procedures by at least a few months, so as not to compromise the healing process for each procedure. It probably doesn't matter which procedure comes first, but just remember that it takes a full year for the swelling from a rhinoplasty to subside.
I believe that you should have a consultation with a board certified plastic surgeon experienced in both procedures to determine the best approach in your case. You also want to ensure that your skin is prepared for the laser procedure with proper skin care before the laser procedure for at least 6-8 weeks to control pigment and prevent scarring.