"The team are playing a great brand of football and I wanted to get down here and be a part of that," Thompson said.
"Hopefully I can take to it like a duck to water."
The former Wales Under-21 international made eight appearances for Norwich's promotion-winning side last season.
Need a VPN? Or seeking to switch? Then support Tribal Football by clicking here to sign up with our official partners NordVPN. Not only will you receive the best VPN experience, but also great discounts by signing up via Tribal Football. Thanks for your support!