超紧,低损耗,TE0-和TE1-兼容模式的波导曲
Applied optics
|March 4, 2024
概括
我们开发了新的波导曲线,用于高度曲的光传输,支持两个横向电 (TE) 模式. 这些紧的波导曲线显著减少了TE0和TE1模式的插入损失,从而实现了高效的光通信.
科学领域:
- 光学和光学工程的光学和光学工程.
- 集成光学 集成光学
- 波导装置的设计设计波导装置的设计.
背景情况:
- 波导曲线对于小型化光学电路至关重要,因为它可以在狭窄的空间中传输光.
- 在波导曲线的低损失下实现高曲率是集成光子学的一个重大挑战.
研究的目的:
- 提出并模拟能够支持两个横向电 (TE) 模式 (TE0和TE1) 的新型波导曲线.
- 为了减少波导曲线的足迹和插入损失 (IL),用于小型和高效的光学设备.
主要方法:
- 设计波导曲线,在内侧有雕刻的槽和弧.
- 使用模拟来分析光场分布和优化TE0和TE1模式的结构参数.
- 评估曲半径,插入损失,足迹和带宽性能.
主要成果:
- 拟议的TE0模式波导曲实现了500纳米的曲半径,0.13dBIL和0.75μm x 0.75μm的足迹.
- TE1模式的波导曲显示了0.18dB的降低IL,其足迹为1.85μm x 1.85μm.
- 实现了TE0模式的410nm和TE1模式的330nm的带宽,同时保持IL<0.5dB.
结论:
- 开发的波导曲线为基本和高级TE模式提供了显著的小型化和低损失.
- 拟议的设计策略显示了在高阶模式传输和集成光子电路中具有先进应用的潜力.
相关概念视频
Standing Waves in a Cavity
919
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:
919
Boundary Conditions: Lossless Lines
93
Consider a single-phase, two-wire, lossless transmission line terminated by an impedance at the receiving end and a source with Thevenin voltage and impedance at the sending end. The line, with length, has a surge impedance and wave velocity determined by the line's inductance and capacitance.
At the receiving end, the boundary condition states that the voltage equals the product of the receiving-end impedance and current. This relationship is expressed as a function of the incident and...
At the receiving end, the boundary condition states that the voltage equals the product of the receiving-end impedance and current. This relationship is expressed as a function of the incident and...
93
Traveling Waves: Lossless Lines
140
The provided content explores the behavior of traveling waves on single-phase lossless transmission lines. It begins with a single-phase two-wire lossless transmission line of length Δx, characterized by a loop inductance LH/m and a line-to-line capacitance C F/m. These parameters result in a series inductance LΔx and a shunt capacitance CΔx.
140
Clipper Circuit
438
A clipper circuit is a fundamental wave-shaping device that harnesses the unique properties of diodes to alter and control waveform characteristics. This technology is widely used in electronic devices, especially in television and radar communication systems, where it enhances waveform modulation in both transmitters and receivers.
The operation of a clipper circuit can be exemplified by analyzing a dual-clipper configuration setup that integrates two ideal diodes, each paired with a biasing...
The operation of a clipper circuit can be exemplified by analyzing a dual-clipper configuration setup that integrates two ideal diodes, each paired with a biasing...
438
Bending
273
Pure bending is a fundamental concept in structural mechanics, essential for understanding how materials deform under symmetrical loads without direct forces. Pure bending occurs when prismatic members, such as beams, are subjected to equal and opposite moments that induce bending. The phenomenon is crucial as it allows for predicting stress distributions without the influence of axial or shear forces.
In pure bending, the bending stress in a beam is calculated based on the bending moment and...
In pure bending, the bending stress in a beam is calculated based on the bending moment and...
273
Transmission Line Design Considerations
135
Aluminum has become the material of choice for overhead transmission lines, surpassing copper due to its abundance and cost-effectiveness. The most prevalent type is the aluminum conductor, steel-reinforced (ACSR), which combines aluminum strands around a steel core. Other variants include all-aluminum conductors (AAC), all-aluminum alloy conductors (AAAC), aluminum conductor alloy-reinforced (ACAR), and aluminum-clad steel conductors. Advanced designs, such as aluminum conductors with steel...
135


