With Olli Jokinen serving the penalty, Ovechkin scored his 13th goal of the season. Backstrom sent a pass to Ovechkin and he fired it high on Pavelec's glove side at 14:06.
It was then Ovechkin's turn to send a pass to Backstrom in the high slot and he put the puck between Pavelec and the post at 18:22 of the third.
Noel had no answers for what happened to his Jets, but said he'd look at the film and try to find a solution for Friday.
"We need to play better, that would be the first thing," he said. "We've given up seven goals in two games (against Washington) and haven't scored one. They're playing chess, we're playing checkers."
Brouwer opened the game's scoring with a wrist shot from near the bottom of the faceoff circle that beat Pavelec at 3:06 of the first period, extending his points streak to three games (two goals, two assists).
Brooks Laich assisted on the goal for his first point of the season after making his season debut March 19 following a lengthy groin injury.
Late in the first, Ovechkin sent the puck past Winnipeg defenseman Dustin Byfuglien to Johansson, who redirected it into the net at 16:22 for the 2-0 lead.
Capitals defenseman Mike Green was back on the ice after missing 10 games with a groin injury, which Oates said allowed fellow blue-liner John Carlson to have a bit of rest.
"We keep him a little fresher, maybe a little sharper," Oates said. "It trickles down through the lineup."