Mode converters based on cascaded long-period waveguide gratings

Jin Wei; Chiang Kin Seng

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Mode converters based on cascaded long-period waveguide gratings

机译：基于级联长周期波导光栅的模式转换器

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We propose a mode-conversion platform based on cascaded long-period waveguide gratings. We demonstrate two specific devices by cascading a surface-corrugated grating and a sidewall-corrugated grating. One device allows conversion among the LP01, LP11b, and LP11a modes in a cyclic manner. The maximum conversion efficiency of a typical experimental device fabricated with polymer materials is about 94% at 1540 nm. The other device allows conversion between the LP01 and LP21a modes. The maximum conversion efficiency of a typical experimental device is estimated to be higher than 90% at 1550 nm. The performance of both devices is polarization-insensitive. The proposed platform could be developed into various mode converters for mode-division-multiplexing systems and other mode-sensitive applications. (C) 2016 Optical Society of America

机译：我们提出了一种基于级联的长周期波导光栅的模式转换平台。通过级联表面波纹光栅和侧壁波纹光栅，我们展示了两种特定的设备。一个设备允许以循环方式在LP01，LP11b和LP11a模式之间进行转换。由聚合物材料制成的典型实验装置在1540 nm处的最大转换效率约为94％。另一个设备允许在LP01和LP21a模式之间转换。在1550 nm处，典型实验设备的最大转换效率估计高于90％。两种器件的性能对偏振均不敏感。可以将所提出的平台开发为用于模式分割多路复用系统和其他模式敏感应用程序的各种模式转换器。（C）2016美国眼镜学会

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《Optics Letters》 |2016年第13期|共4页
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Jin Wei; Chiang Kin Seng;
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1. Mode converters based on cascaded long-period waveguide gratings [J] . Jin Wei, Chiang Kin Seng Optics Letters . 2016,第13期

机译：基于级联长周期波导光栅的模式转换器
2. Bandwidth control of long-period grating-based mode converters in few-mode fibers [J] . Siddharth Ramachandran, Zhiyong Wang, Man Yan Optics Letters . 2002,第9期

机译：短模光纤中基于光栅的长周期模式转换器的带宽控制
3. All-fiber mode converter based on long-period fiber gratings written in few-mode fiber [J] . Zhao Yunhe, Liu Yunqi, Zhang Chenyi, Optics Letters . 2017,第22期

机译：全光纤模式转换器基于几型光纤写入的长周期光纤光栅
4. Clock Extraction from NRZ-DPSK Signal Using NRZ-DPSK to RZ-OOK Converter Based on Cascaded Long-Period Fiber Grating [C] . Sie-Wook Jeon, Tae-Young Kim, Hanawa, Ph.D. Research in Microelectronics and Electronics, 2005 . 2008

机译：基于级联长周期光纤光栅的NRZ-DPSK至RZ-OOK转换器从NRZ-DPSK信号中提取时钟
5. Mode coupling in nonuniform waveguides and optimal design of waveguide tapers and mode converters. [D] . Shafii, Jamaloddin. 1995

机译：非均匀波导中的模式耦合以及波导锥度和模式转换器的优化设计。
6. High-Order Modes Micro-Knot Excited by a Long-Period Fiber Grating [O] . Shir Shahal, Hamootal Duadi, Moti Fridman 2017

机译：长期光纤光栅激发的高阶模微结
7. Low Refractive-Index and Temperature Sensitive Torsion Sensor Based on Cascaded Long-Period Fiber Gratings Inscribed in a Four-Mode Fiber [O] . Jie Dong, Mei Sang, Shuang Wang, 2020

机译：基于级联的长周期光纤光栅的低折射率和温度敏感扭转传感器铭刻在四模光纤中
8. Design of Mode Converters from Te Circular Om Modes in Circular Waveguides to Te Rectangular Mo Modes in Rectangular Waveguides for High Power Applications in the Frequency Range 1 to 30 Ghz [R] . Janzen, G. 1984

机译：在1至30 Ghz频率范围内用于大功率应用的矩形波导中矩形mo模式的圆形Om模式的模式转换器的设计

Mode converters based on cascaded long-period waveguide gratings

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