Any idea how to get access to the nexus?
Follow the hints from the Fey quest line. You should eventually get access to it from Morgan's home
You need to progress with Pixie until you get visited by some of the fey council girls.After that you should get an invitation and you can access the nexus through Morgana's place.Later, if you progress the eldritch side of the main story, you'll get one in the manor.
