Pr:YSO 量子存储器激光源的锁相和绝对稳频功能

IF 2.3 4区物理与天体物理 Q3 PHYSICS, APPLIED

Applied Physics Express Pub Date : 2024-05-13 DOI:10.35848/1882-0786/ad45ad

Yohei Sugiyama, Yuga Kondo, Tomoyuki Horikiri, Daisuke Akamatsu and Feng-Lei Hong

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引用次数: 0

摘要

我们提出了一种将量子存储器控制激光器、频率转换泵浦激光器和双光子源的相位锁定在三个倍频程上的方案，以运行量子存储器。激光源的绝对频率是根据无多普勒碘超频跃迁确定的。获得的相对频率不稳定性和不确定性分别≤1 × 10-12 和 3 × 10-11，低于运行 Pr:YSO 量子存储器的要求。该方案简化了量子中继器中激光源的仪器，提高了量子通信系统的可靠性。

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Phase locking and absolute frequency stabilization of laser sources for a Pr:YSO quantum memory

We propose a scheme to phase lock a quantum-memory control laser, frequency-conversion pump laser, and two-photon source over three octaves in frequency to operate a quantum memory. The absolute frequencies of the laser sources are determined based on a Doppler-free iodine hyperfine transition. The achieved relative frequency instability and uncertainty were ≤1 × 10–12 and 3 × 10–11, respectively, which are below the requirement for operating a Pr:YSO quantum memory. This scheme simplifies the instrumentation of laser sources in a quantum repeater, and increases the reliability of quantum communication systems.

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来源期刊

Applied Physics Express 物理-物理：应用

CiteScore

4.80

自引率

8.70%

发文量

310

审稿时长

1.2 months

期刊介绍： Applied Physics Express (APEX) is a letters journal devoted solely to rapid dissemination of up-to-date and concise reports on new findings in applied physics. The motto of APEX is high scientific quality and prompt publication. APEX is a sister journal of the Japanese Journal of Applied Physics (JJAP) and is published by IOP Publishing Ltd on behalf of the Japan Society of Applied Physics (JSAP).