Spin Modulation in Semiconductor Lasers

Details Spin Modulation in Semiconductor Lasers Spin Modulation in Semiconductor Lasers

2010-04-05

arxiv.org/abs/1004.0719v1

Appl. Phys. Lett. 97, 041116 (2010)

Physics

Condensed Matter

Materials Science

4 pages, 3 figures

Scientific paper

We provide an analytic study of the dynamics of semiconductor lasers with injection (pump) of spin-polarized electrons, previously considered in the steady-state regime. Using complementary approaches of quasi-static and small signal analyses, we elucidate how the spin modulation in semiconductor lasers can improve performance, as compared to the conventional (spin-unpolarized) counterparts. We reveal that the spin-polarized injection can lead to an enhanced bandwidth and desirable switching properties of spin-lasers.

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