Narrow-linewidth light source for a coherent Raman transfer of ultracold molecules

被引：10

作者：

Aikawa, K. ^{[1
]}

Kobayashi, J. ^{[2
]}

Oasa, K. ^{[1
]}

Kishimoto, T. ^{[3
]}

Ueda, M. ^{[4
,5
]}

Inouye, S. ^{[5
,6
]}

机构：

[1] Univ Tokyo, Dept Appl Phys, Bunkyo Ku, Tokyo 1138656, Japan

[2] Univ Tokyo, Inst Engn Innovat, Bunkyo Ku, Tokyo 1138656, Japan

[3] Univ Electrocommun, Chofu, Tokyo 1828585, Japan

[4] Univ Tokyo, Dept Phys, Bunkyo Ku, Tokyo 1130033, Japan

[5] ERATO, JST, Bunkyo Ku, Tokyo 1138656, Japan

[6] Univ Tokyo, Photon Sci Ctr, Bunkyo Ku, Tokyo 1138656, Japan

来源：

OPTICS EXPRESS | 2011年 / 19卷 / 15期

基金：

日本科学技术振兴机构; 日本学术振兴会;

关键词：

DIODE-LASER; PHASE; STABILIZATION; COMPACT; CAVITY;

D O I：

10.1364/OE.19.014479

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We describe a tunable two-color CW light source sufficient for realizing a coherent Raman transfer between two molecular states that are more than 0.5 eV (120 THz) apart. The simultaneous frequency stabilization of 901 nm and 655 nm light was achieved by locking diode lasers to a single ultralow expansion cavity with dual wavelengths coating. By utilizing offset-locking and optical phase-locked loop (OPLL), we ensured a large mode-hop free tuning range (> 2 GHz). The obtained short term linewidth (< 10 Hz) and the linear drift of frequency (65 mHz/s) were both sufficient to eliminate the influence of laser linewidths on the efficiency of coherent Raman transition. (C) 2011 Optical Society of America

引用

页码：14479 / 14486

页数：8

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