He now joins Vancouver Canucks netminder Cory Schneider, who signed with Ambri-Piotta two weeks ago.
In 19 games with Frolunda, Duchene posted four goals and 10 assists for 14 points, and is looking to add more to his lockout stats sheet with Ambri-Piotta.
In 58 games with the Avs last season, Duchene, who signed a two-year, $7 million contract this summer, collected 14 goals and 14 assists for 28 points.