氮化镓半导体中钕离子与光子晶体 L3 腔的室温光学耦合

IF 2.3 4区物理与天体物理 Q3 PHYSICS, APPLIED

Applied Physics Express Pub Date : 2024-07-09 DOI:10.35848/1882-0786/ad5bbd

Shin-ichiro Sato, Takao Oto

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引用次数: 0

摘要

我们展示了在氮化镓上的光子晶体（PhC）-L3 腔中植入钕（Nd）离子在 RT 下的光耦合。我们通过电磁场模拟设计了 PhC-L3 腔体结构，以增强 Nd3+ 的 4F3/2-4I9/2 和 4F3/2-4I11/2 转变（916 和 1107 nm）。在我们的测量条件下，除了光收集效率的提高之外，还通过 Purcell 效应提高了自发辐射率，从而实现了 20 倍的最高增强比。这些结果为开发基于 Ln 掺杂 GaN 的量子光物质界面和纳米光子学铺平了道路。

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Room temperature optical coupling of neodymium ions to photonic crystal L3 cavity in gallium nitride semiconductor

We demonstrate the optical coupling of implanted neodymium (Nd) ions in a photonic crystal (PhC)-L3 cavity on GaN at RT. The structure of the PhC-L3 cavity is designed by the electromagnetic field simulation to enhance the ⁴ F _3/2–⁴ I _9/2 and ⁴ F _3/2–⁴ I _11/2 transitions (916 and 1107 nm) in Nd³⁺. The highest enhancement ratio of 20-fold is achieved under our measurement conditions by the enhancement of spontaneous emission rate due to the Purcell effect in addition to the improvement of light collection efficiency. These results pave the way for the development of Ln-doped GaN based quantum light–matter interface and nanophotonics.

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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).