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首页> 外文会议>Photonics Applications for Aviation, Aerospace, Commercial, and Harsh Environments V >Analysis of an all optical de-multiplexer architecture utilizing bevel design for spatially multiplexed optical fiber communication systems
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Analysis of an all optical de-multiplexer architecture utilizing bevel design for spatially multiplexed optical fiber communication systems

机译：利用斜面设计对空间多路复用光纤通信系统的全光解复用器架构进行分析

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Spatial domain multiplexing (SDM) is a system that allows multiple channels of light to traverse a single fiber, utilizing separate spatial regions inside the carrier fiber, thereby applying a new degree of photon freedom for optical fiber communications. These channels follow a helical pattern, the screen projection of which is viewable as concentric rings at the output end of the system. The MIMO nature of the SDM system implies that a typical pin-diode or APD will be unable to distinguish between these channels, as the diode will interpret the combination of the SDM signals from all channels as a single signal. As such, spatial de-multiplexing methods must be introduced to properly detect the SDM based MIMO signals. One such method utilizes a fiber consisting of multiple, concentric, hollow core fibers to route each channel independently and thereby de-mux the signals into separate fibers or detectors. These de-mux fibers consist of hollow core cylindrical structures with beveled edges on one side that gradually taper to route the circular, ring type, output energy patterns into a spot with the highest possible efficiency. This paper analyzes the beveled edge by varying its length and analyzing the total output power for each predetermined length allowing us to simulate ideal bevel length to minimize both system losses as well as total de-mux footprint. OptiBPM simulation engine is employed for these analyses.
机译：空间域多路复用（SDM）是一种系统，该系统允许多条光通道利用承载光纤内部的独立空间区域穿越单根光纤，从而为光纤通信应用了新的光子自由度。这些通道遵循螺旋模式，其屏幕投影可以在系统的输出端看到为同心环。 SDM系统的MIMO性质意味着典型的Pin二极管或APD将无法区分这些通道，因为二极管会将来自所有通道的SDM信号的组合解释为单个信号。这样，必须引入空间解复用方法以正确地检测基于SDM的MIMO信号。一种这样的方法利用由多个同心的空心光纤组成的光纤独立地路由每个通道，从而将信号解复用到单独的光纤或检测器中。这些解复用器光纤由空心圆柱结构组成，空心结构的一侧具有斜边，这些斜边逐渐变细以将圆形，环形，输出能量模式路由到具有最高可能效率的位置。本文通过改变斜边的长度并分析每个预定长度的总输出功率来分析斜边，从而使我们能够模拟理想的斜边长度，以最大程度地减少系统损耗以及总的解复用器占用空间。这些分析采用OptiBPM仿真引擎。

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