Coherent laser cooling with trains of ultrashort laser pulses

被引：0

作者：

Malamant, J. ^{[1
]}

Gusakova, N. ^{[2
,3
]}

Sandaker, H. ^{[1
]}

Sorokina, I. T. ^{[2
]}

Comparat, D. ^{[4
]}

Camper, A. ^{[1
]}

机构：

[1] Univ Oslo, Dept Phys, Sem Saelandsvei 24, N-0371 Oslo, Norway

[2] Norwegian Univ Sci & Technol, NTNU, Dept Phys, N-7491 Trondheim, Norway

[3] CERN, Phys Dept, CH-1211 Geneva 23, Switzerland

[4] Univ Paris Saclay, CNRS, Lab Aime Cotton, F-91405 Orsay, France

来源：

PHYSICAL REVIEW A | 2024年 / 110卷 / 01期

关键词：

POPULATION TRANSFER; GENERATION;

D O I：

10.1103/PhysRevA.110.013109

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We propose to extend coherent laser cooling from narrowband to broadband transitions by using trains of ultrashort broadband pulses. We analytically study two possible methods to reduce the momentum spread of a distribution by several units of photon momentum in a single spontaneous emission lifetime. We report on numerical simulations of one-dimensional laser cooling of a two-level system with realistic parameters. With this scheme, coherent laser cooling can in particular be implemented in the case of fast species with a short lifetime such as positronium.

引用

页数：8

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