1. Preheat broiler.
2. Arrange fillets on rack of a broiler pan coated with cooking spray; brush fillets with soy sauce. Broil 5 1/2 inches from heat 4 minutes on each side.
3. While salmon broils, combine pineapple and remaining 4 ingredients in a small bowl.
4. Transfer salmon fillets to a serving platter; top evenly with salsa.