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相关概念视频

Standing Waves in a Cavity01:28

Standing Waves in a Cavity

A household microwave and lasers are examples of standing electromagnetic waves in a cavity. When two conducting metal plates are placed parallel at the nodal planes, it creates a cavity where standing waves are formed. The cavity between the two planes is analogous to a stretched string held at the points x = 0 and x = L. Here, the distance 'L' between the two planes must be an integer multiple of half of the wavelength. The wavelengths that satisfy this condition are given by:

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基于波导布拉格格微腔的双波长分布式反激光.

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    概括
    此摘要是机器生成的。

    研究人员开发了一种新的双波长激光. 这种紧而稳定的设备在1.55微米处工作,为集成光子学和微波应用提供了一个有前途的平台.

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    科学领域:

    • 光子学 是一个光子学.
    • 半导体激光器半导体激光器
    • 集成光学 集成光学 集成光学

    背景情况:

    • 同时的双波长操作对于微波光子学等应用至关重要.
    • 现有的设备往往缺乏紧性,稳定性,或需要复杂的制造.
    • 一个单截面,单接触激光平台是非常理想的.

    研究的目的:

    • 为了展示一个新的双波长分布式反激光平台.
    • 为了实现稳定,同时在1.55μm的双波长操作.
    • 建立一个紧的,热稳定的,耐制造的激光解决方案.

    主要方法:

    • 使用波导布拉格格格子微腔.
    • 在激光设计中采用统一的侧墙格子.
    • 通过单一的有机金属蒸汽相表生长和一个干蚀刻步骤进行制造.

    主要成果:

    • 实现了第一个单截面,单接触的双波长激光在1.55微米.
    • 经验证实稳定的双模式运行,可在各种频段调节.
    • 获得的自由光谱范围从0.41nm到0.65nm (5486 GHz).
    • 显示的侧模式抑制比超过30dB.

    结论:

    • 开发的激光平台提供了固有的稳定性和紧性.
    • 制造过程具有耐受性,并可实现可扩展的生产.
    • 这项技术是先进的微波光子学和集成光子系统的有希望的候选者.