期刊
APPLIED PHYSICS LETTERS
卷 97, 期 4, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3473759
关键词
electron spin polarisation; optical modulation; semiconductor lasers
资金
- U.S. ONR
- AFOSR-DCT
- NSF-ECCS
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 quasistatic 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. (C) 2010 American Institute of Physics. [doi: 10.1063/1.3473759]
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