The NHL-leading Ducks also sent goalie Frederik Andersen back to Norfolk on Friday.
The 20-year-old Gibson is one of the top goaltending prospects in hockey. He was the MVP of the 2013 world junior championships after backstopping the U.S. team to the title, and is 11-9-3 with a .915 save percentage in Norfolk.
Andersen also is a top prospect, but the Ducks made the move to give minor-league playing time to the Danish goalie.
Jonas Hiller, the Ducks' Swiss starter, has won his last 12 consecutive starts while going 21-4-4 this season.
Andersen is 10-2-0 with a 2.07 goals-against average and a .923 save percentage as Hiller's backup after beating Nashville 4-3 on Thursday night.