灵活的数据速率分配使用非直角多重接入 (NOMA) 在模式分割多重复合 (MDM) 光电分离器中用于系统在芯片上的网络
Yuan-Zeng Lin1,2, Chi-Wai Chow1,2, Tien-Wei Yu1,2
1Department of Photonics & Graduate Institute of Electro-Optical Engineering, College of Electrical and Computer Engineering, National Yang Ming Chiao Tung University, Hsinchu 30010, Taiwan.
Sensors (Basel, Switzerland)
|August 26, 2023
概括
本研究介绍了一种光子学模式划分多重光学功率分割器,支持多个横向电 (TE) 模式. 它可以实现灵活的数据分布和更高的容量,用于使用非直角多重访问的光学互连.
科学领域:
- 光子学和光学工程 光子学和光学工程
- 集成光学 集成光学 集成光学
- 光学通信是指光学通信.
背景情况:
- 传统的光学功率分割器在所有输出端口上分配相同的数据.
- 在光学互连中存在关于端口数和数据分配灵活性的限制.
- 模式分割复杂化 (MDM) 通过利用不同的光模式来提高容量.
研究的目的:
- 开发一种基于光子 (SiPh) 的光学功率分割器,支持模式分割多重复合 (MDM).
- 为了使灵活的数据分布到不同的输出端口使用非对角的多重访问 (NOMA).
- 通过支持多模式操作 (TE0,TE1,TE2) 来增强光学互连能力.
主要方法:
- 使用不对称的定向合器 (ADC) 和Y分支结构,设计和制造一个集成的SiPh MDM光功率分割器.
- 实现NOMA-OFDM在不同输出端口的可调节数据速率.
- 使用遗传算法 (GA) 优化分离器参数.
主要成果:
- 展示了一个支持TE0,TE1和TE2模式的SiPh MDM功率分割器.
- 实现了灵活的数据速率分配,不同用户和模式的用户数据速率超过22 Gbit/s和24 Gbit/s.
- 所有频道都达到了硬决策前错误纠正 (HD-FEC) 值 (BER = 3.8 × 10^-3).
结论:
- 拟议的SiPh MDM光功率分割器为光学互连和芯片上系统网络中的多个用户提供灵活的数据速率分配.
- 集成MDM和NOMA显著增加光学互连能力超越传统方法.
- 这项技术为更高效,更灵活的光学信号分配提供了途径.
相关概念视频
Maximum Power Transfer
286
Numerous practical applications within engineering disciplines, such as telecommunications, necessitate optimizing power delivery to a connected load. This pursuit, however, entails inherent internal losses, which can either equal or exceed the power supplied to the load. The Thevenin equivalent circuit is helpful in finding the maximum power a linear circuit can deliver to a load. It is assumed in this context that the load resistance can be adjusted.
By substituting the entire circuit with...
By substituting the entire circuit with...
286
Fast Decoupled and DC Powerflow
233
The fast decoupled power flow method addresses contingencies in power system operations, such as generator outages or transmission line failures. This method provides quick power flow solutions, essential for real-time system adjustments. Fast decoupled power flow algorithms simplify the Jacobian matrix by neglecting certain elements, leading to two sets of decoupled equations:
233
Maximum Power Flow and Line Loadability
136
The maximum power flow for lossy transmission lines is derived using ABCD parameters in phasor form. These parameters create a matrix relationship between the sending-end and receiving-end voltages and currents, allowing the determination of the receiving-end current. This relationship facilitates calculating the complex power delivered to the receiving end, from which real and reactive power components are derived.
136
Power System Distribution
261
Power system distribution involves delivering electrical energy from power plants to consumers through a network of transmission and distribution systems. The process begins at power plants, where energy from coal, gas, nuclear, water, and wind is converted into electrical energy. These plants use three-phase generators, typically rated between 50 to 1300 MVA, with terminal voltages ranging from a few kV to 20 kV, depending on the size and age of the units.
The transmission system is designed...
The transmission system is designed...
261
Non-ohmic Devices
1.1K
In most substances, the current flow is proportional to the voltage applied to it. A simple relationship between the values of current, voltage, and resistance is known as Ohm's law. Nonohmic devices do not exhibit a linear relationship between voltage and current. One such device is the semiconducting circuit element known as a diode. A diode is a circuit device that allows current flow in only one direction.
Consider a simple circuit consisting of a battery, a diode, and a resistor. A...
Consider a simple circuit consisting of a battery, a diode, and a resistor. A...
1.1K
Transmission Line Design Considerations
166
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...
166


