收稿日期: 2021-05-09
网络出版日期: 2021-09-10
基金资助
国家自然科学基金资助项目(12075145);上海市科委基金资助项目(2019SHZDZX01-ZX04);上海市科委基金资助项目(18010500400);上海市科委基金资助项目(18ZR1415500)
Soliton compression in nonlocal nonlinear media through shortcut to adiabaticity
Received date: 2021-05-09
Online published: 2021-09-10
张晓, 孔茜 . 非局域非线性介质中孤子的绝热捷径压缩[J]. 上海大学学报(自然科学版), 2022 , 28(6) : 1084 -1093 . DOI: 10.12066/j.issn.1007-2861.2325
In recent years, shortcuts to adiabaticity (STA) had been proposed to accelerate slow adiabatic processes. In this study, based on the quantum-optical analogy, the rapid compression of solitons in nonlocal nonlinear media was investigated by combining the variational method and inverse engineering of STA technology. A comparison with the results of adiabatic compression showed that nonlocality had an inhibitory effect on nonlinearity. In addition, the greater the degree of nonlocality, the longer was the propagation distance required for adiabatic compression, thus making it more difficult to compress solitons in nonlocal media using adiabatic protocols. However, it was found that the STA protocol could still effectively compress solitons over a very short distance, thus showing the advantages of the STA protocol.
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