Yes you can use Shimano chainrings on a ROTOR power meter, however the only ROTOR power meter that allows this is the ROTOR INspider Power Meter. The INspider uses the same 4-bolt 110 BCD configuration that Shimano chainrings use, allowing Shimano chainrings to bolt right up.

ROTOR INspider with Shimano Chainrings
ROTOR INspider ALDHU Road Power Meter Crankset
ROTOR INspider Road Power Meter
Shimano DURA-ACE FC-R9200 12-Speed Chainrings
Shimano Ultegra FC-R8100 12-Speed Chainrings