Answer
Nikolay Basov shared the 1964 Nobel Prize in Physics with Alexander Prokhorov and Charles Hard Townes for the development of the maser and laser. The maser is a device that amplifies microwaves by stimulated emission of radiation, while the laser is a device that amplifies light by stimulated emission of radiation. Both devices are based on the same principle, but the maser uses microwaves and the laser uses light.