基于铌酸锂绝缘体的单向倍频激光器

IF 2.2 3区物理与天体物理 Q2 OPTICS

Optics Communications Pub Date : 2025-05-09 DOI:10.1016/j.optcom.2025.131984

Ruyi Xia , Ranran Xie , Xueqing Cui , Yuechen Jia , Feng Chen

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引用次数: 0

摘要

片上光源的单向传输对于构建光子集成电路至关重要。建立异常点（EPs）或异常面（ES）是实现单向传输的重要方法。研究了一种基于铌酸锂二阶光学非线性的片上集成单向倍频激光器，并通过微腔内不对称模式耦合实现ES。该器件将变频和单向激光传输集成到单个模块中，兼容实现多功能pic。此外，该器件的性能对参数变化具有很高的容忍度。所提出的器件具有稳定的性能和易于制造的特点，为PICs的发展提供了新的见解。

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Unidirectional frequency doubling laser based on lithium niobate on insulator

The unidirectional transmission of on-chip light sources is crucial for constructing photonic integrated circuits (PICs). Establishing exceptional points (EPs) or exceptional surfaces (ES) represents a significant approach to achieving unidirectional transmission. We study an on-chip integrated unidirectional frequency doubling laser based on the second-order optical nonlinearity of lithium niobate and the realization of ES through asymmetrical mode coupling in the microcavity. The device integrates frequency conversion and unidirectional laser transmission into a single module, compatible with the realization of multi-functional PICs. Moreover, the performance of the device exhibits high tolerance to parameter variations. The proposed device exhibiting stable performance and ease of fabrication offers novel insights into the development of PICs.

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来源期刊

Optics Communications 物理-光学

CiteScore

5.10

自引率

8.30%

发文量

681

审稿时长

38 days

期刊介绍： Optics Communications invites original and timely contributions containing new results in various fields of optics and photonics. The journal considers theoretical and experimental research in areas ranging from the fundamental properties of light to technological applications. Topics covered include classical and quantum optics, optical physics and light-matter interactions, lasers, imaging, guided-wave optics and optical information processing. Manuscripts should offer clear evidence of novelty and significance. Papers concentrating on mathematical and computational issues, with limited connection to optics, are not suitable for publication in the Journal. Similarly, small technical advances, or papers concerned only with engineering applications or issues of materials science fall outside the journal scope.