Amplification without inversion in the four-level N-type 87Rb D1-line

被引：10
|
作者：
Moon, HS [1 ]
Choe, YS
Kim, HA
Kim, BS
Kim, KD
Kim, JB
机构：
[1] Korea Natl Univ Educ, Dept Phys Educ, Cheongwon 363971, Choongbuk, South Korea
[2] Korea Adv Inst Sci & Technol, Ctr Macroscop Quantum Field Laser, Taejon 305701, South Korea
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS | 2000年 / 39卷 / 01期
关键词：
amplification without inversion; atomic coherence; lasing without inversion; Rb atom; N-type atomic system;
D O I：
10.1143/JJAP.39.301
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We demonstrate amplification without inversion in the Rb-87 D-1-line pumped by-an incoherent light. A dosed N-type, four-level atomic system has been considered to obtain an insight into the origin of the gain as well as the conditions under which the system exhibits gain without population inversion in bare states. We investigate the gain as a function of the incoherent pumping rate, the coupling laser detuning; and Rabi frequency. The experimental results are in good agreement with the numerical calculations considering the velocity distribution of atoms.
引用
收藏
页码：301 / 305
页数：5
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