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高性能,在2微米波长的中,在2微米波长的中,在中,在2微米波长中,在中,在中,在中,在中,在中,在中,在中,在中,在中,在中,在中,在中

Dominic A Sulway, Yuya Yonezu, Lawrence M Rosenfeld

|September 15, 2023

概括

研究人员开发了一种新的平面纤维芯片合方法,用于光子学. 这种低损耗的宽带技术有效地将光纤连接到纳米线波导,克服了当前的局限性.

科学领域:

光子学是指光子学的使用方法.
纳米技术纳米技术
材料科学材料科学材料科学

背景情况:

光纤技术对于全球互联网连接和遥感至关重要.
光子技术提供了高的集成潜力,但由于模式不匹配,在光纤芯片合方面面临挑战.
目前的垂直格合器具有有限的带宽,并且是外平面的.

研究的目的:

为了展示一种新的,低损耗的宽带和平面光纤芯片合方法.
为了实现光纤与光子电路的高效集成.

主要方法:

一个逐渐缩小的纳米线波导与一个形纳米线光纤的亚亚巴特合.
在商业造厂制造芯片,并进行后处理以释放纳米线.
测量2.0微米至2.2微米波长之间的传输光谱.

主要成果:

每个合器实现了 -0.48 dB的最佳传输.
证明了至少295nm的1dB带宽.
量化设备对侧向错位的耐受性,显示在±0.968μm内的平面响应.

结论:

新的平面合方法具有低损耗,宽带和可制造性.
这种方法克服了现有的网格合器的局限性.
在不同的材料和波段中实现低损耗的模块化集成光子系统.

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相关概念视频

Standing Waves in a Cavity

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: