Kiwi international Jordan Rapana is desperate to remain in lime green but concedes Canberra's salary cap pressure may see him turn to Japanese rugby union.

Rapana's manager Sam Ayoub and Raiders officials have been locked in ongoing negotiations for most all of 2019 after the high-flying winger knocked back Canberra's original two-year offer.

In the meantime the Raiders' salary cap has been spent elsewhere, prompting Rapana to explore his options with Japanese union franchise Panasonic Wild Knights, coached by former Wallabies mentor Robbie Deans.

Rapana, 30, has played the 15-man game previously with the now-defunct Western Force and was on the Brumbies' radar before joining Canberra in 2014.

He stands to earn far more in overseas rugby than anything the best paid NRL wingers collect, but Rapana remains hopeful of a new Raiders deal being thrashed out once the club's finals campaign is wrapped up, ideally with a long-awaited premiership.

"The contracts and that are still up in the air but I'll tell you right now, this is ideally where I want to be," Rapana told NRL.com on Monday.

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"I love it here. This has become my home. I have no intentions of leaving. Obviously my manager's trying to keep my options open and available for me.

"My manager and I, we have talked about what could come up and what could possibly be an offer from [the Wild Knights] if they can't keep me here.

"But personally I haven't spoken to anyone. I just leave it in his hands and let him take care of that.