Hetero laser and light-emitting source of polarized radiation

Details Hetero laser and light-emitting source of polarized radiation Hetero laser and light-emitting source of polarized radiation

2006-01-31

2006-01-31

Harvey, Minsun Oh (Department: 2828)

Coherent light generators

Particular active media

Semiconductor

C372S043010, C372S044010

Reexamination Certificate

active

06993056

ABSTRACT:
A device and method for hetero laser and light-emission of high polarization radiation. Previous light emitting devices suffered from very low degree of the radiation polarization. A hetero laser and light emitting device with a semiconductor layer sandwiched between δ-doped layers and ferromagnets allows for highly polarized light to be emitted.

REFERENCES:
patent: 5060234 (1991-10-01), Schubert et al.
patent: 6774446 (2004-08-01), Osipov et al.
patent: 6809388 (2004-10-01), Ossipov et al.
J.D. Albrecht et al., “Electron Spin Injection at a Schottky Contact,” Physical Review B, vol. 66, 113303 (Feb. 7, 2002).
H.J. Zhu et al., “Room-Temperature Spin Injection from Fe into GaAs,” Physical Review Letters, vol. 87, No. 1 (Jul. 2, 2001).

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