The Frenchman completed his Bosman move from Rennes last week.
"I have been told about the atmosphere at St James' Park on a match day, it sounds wonderful," he told the Evening Chronicle.
"It will be a thrill to play here. It is like a dream to sign for a club like Newcastle United and I couldn't be happier.
"I always wanted to play in the Premier League and enjoy some glory and a club like Newcastle is great.
"This is a club who everybody knows about in France."