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Journals and Conferences
Electrical spin injection and band offsets in an n-type ferromagnetic semiconductor heterostructure of CdCr/sub 2/Se/sub 4/-AlGaAs-GaAs are studied. Epitaxially grown CdCr/sub 2/Se/sub 4/ films exhibit hysteresis behavior with significant remanence, an in- plane easy axis with a coercive field of 125 Oe. The cross section of the LED and the band alignment… (More)
Dual action of quantum-dot saturable absorber and Kerr lens mode locking of a diode-pumped Yb:KGW laser was demonstrated. The laser delivered 105 fs pulses with 2.5 W of average power and >300 kW of peak power.
A high power continuous-wave dual-wavelength Yb:KGW laser using a birefringent plate was demonstrated. Stable operation at 1014.6 nm and 1046.3 nm with 3.4 W of average output power was obtained with diffraction-limited beam profile.
In principle there are a few possible configurations for tilted magnetic recording including the usage of tilted media in a longitudinal recording system, the usage of tilted media in a perpendicular recording system using single pole head, and the usage of the tilted single pole head with a perpendicular medium. We will discuss the advantages and… (More)