Methods and apparatuses for detecting mode hop** in a laser diode or other optical
energy source in heat-assisted magnetic recording. An output power of the laser diode or …

An apparatus comprises a slider having an air-bearing Sur face (ABS), a write pole at or
near the ABS, and a reader at or near the ABS and connected to a pair of reader bond pads …

(57) ABSTRACT A slider of a heat-assisted recording head comprises elec trical bond pads
coupled to bias sources and a ground pad, an air bearing surface, and a waveguide …

(57) ABSTRACT A slider configured for heat-assisted magnetic recording includes a laser
diode optically coupled to a waveguide of the slider. A power supply is coupled to the laser …

An apparatus comprises a slider having an air bearing surface (ABS) and a near-field
transducer (NFT) at or near the ABS. An optical waveguide is configured to couple light from …

(57) ABSTRACT A heat assisted magnetic recording (HAMR) head has a near-field
transducer (NFT) with a distal end having a leading side taper inclined at an acute angle to …

We have studied the reliability of a near-field transducer (NFT) embedded in a magnetic
recording slider used for heat-assisted magnetic recording (HAMR) in hard disk drives with a …

An apparatus comprises a slider having an air-bearing sur face (ABS), a write pole at or near
the ABS, and a reader at or near the ABS and connected to a pair of reader bond pads of the …

A method and apparatus provide for determining a temperature at a junction of a laser diode
when the laser diode is operated in a lasing state that facilitates heat-assisted magnetic …

An apparatus comprises a slider and an optical waveguide formed in the slider and
configured to receive light from a laser source. A near-field transducer (NFT) is formed on …