期刊
SEMICONDUCTOR SCIENCE AND TECHNOLOGY
卷 33, 期 6, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/1361-6641/aabda3
关键词
vertical-cavity surface-emitting lasers; spin injection; spin-flip model
类别
资金
- Engineering and Physical Sciences Research Council [EP/M024237 /1]
- EPSRC [EP/M024237/1] Funding Source: UKRI
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.
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