<p>Disclosed is a heat-assisted-type hard disk drive in which an LD module 101 having a built-in LD array element 102 is disposed in a hard disk drive housing 140, and a plurality of channels of the LD module 101 and the same number of flexible optical waveguides 121 are connected one-to-one using optical connectors 111. The optical waveguides 121 are disposed so as to each pass through the surface of one arm 143 or suspension means, and guide light to sliders 142 at the tip ends of the arms 143 or suspension means.</p>
