An inventive optical pickup includes: a base; a movable part; a fixed part; and a first yoke. The movable part, fixed part and first yoke are provided over the base. The movable part is provided with: a hologram element; a package equipped with a laser/photodetectors integrated element in which a semiconductor laser and photodetectors are integrated; and an objective lens. A magnet is provided on each of second yokes provided on the base, and a heat dissipating medium is provided in a gap between a package metal section of the package and another magnet.