Algebraic expressions for the polarisation response of spin-VCSELs

Algebraic expressions for the polarisation response of spin-VCSELs
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自旋 VCSEL 偏振响应的代数表达式

DOI:
10.1088/1361-6641/aabda3
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发表时间:
2018
影响因子:
1.9
通讯作者:
Adams M
Adams M
中科院分区:
工程技术4区
文献类型:
--
作者:
Adams M

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导出了自旋偏振垂直腔面发射激光器输出偏振与泵浦偏振之间关系的闭合表达式。这些表达式基于自旋翻转模型(SFM),结合载流子复合时间远大于自旋弛豫时间和光子寿命的条件。还包括双折射和二向色性主轴之间的不对准。这些表达式产生的结果与以前发表的数值计算和对广泛参数的进一步测试都非常一致。从这些表达式中可以很容易地推断出SFM的关键参数的趋势。
Closed-form expressions are derived for the relationship between the polarisation of the output and that of the pump for spin-polarised vertical-cavity surface-emitting lasers. These expressions are based on the spin-flip model (SFM) combined with the condition that the carrier recombination time is much greater than both the spin relaxation time and the photon lifetime. Allowance is also included for misalignment between the principal axes of birefringence and dichroism. These expressions yield results that are in excellent agreement both with previously published numerical calculations and with further tests for a wide range of parameters. Trends with key parameters of the SFM are easily deduced from these expressions.
自旋偏振 VCSEL 的参数分析
DOI: 10.1109/jqe.2009.2013107
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