Microsphere-Based Optical Frequency Comb Generator for 200 GHz Spaced WDM Data Transmission System
Microsphere-Based Optical Frequency Comb Generator for 200 GHz Spaced WDM Data Transmission System
复制标题
用于 200 GHz 间隔 WDM 数据传输系统的基于微球的光学频率梳发生器
作者：
E. Anashkina;M. P. Marisova;A. Andrianov;R. Akhmedzhanov;R. Murnieks;M. Tokman;L. Skladova;I. Oladyshkin;T. Salgals;I. Lyashuk;A. Sorokin;S. Spolitis;G. Leuchs;V. Bobrovs
基于回音壁模式（WGM）微谐振器的光频梳（OFC）发生器在确保波分复用（WDM）电信系统的频谱和能量效率方面具有巨大的潜力。二氧化硅微球在电信领域的应用还很少被研究，但可能是有希望的。我们提出，调查，并在数值上优化一个简单的设计，基于二氧化硅微球的OFC发生器在C波段的自由光谱范围为200 GHz，并模拟其实现，以提供4通道200 GHz的间隔WDM数据传输系统。我们计算了微球的特性，如WGM本征频率，色散，非线性克尔系数与津贴的热光效应，并模拟OFC的产生在一个稳定的耗散克尔孤子的制度。我们表明，通过使用生成的OFC线作为WDM数据传输的光载波，可以确保无差错的数据传输，误码率（BER）为4.5 × 10−30，在四个信道上提供总共40 Gbit/s的传输速度。
Optical frequency comb (OFC) generators based on whispering gallery mode (WGM) microresonators have a massive potential to ensure spectral and energy efficiency in wavelength-division multiplexing (WDM) telecommunication systems. The use of silica microspheres for telecommunication applications has hardly been studied but could be promising. We propose, investigate, and optimize numerically a simple design of a silica microsphere-based OFC generator in the C-band with a free spectral range of 200 GHz and simulate its implementation to provide 4-channel 200 GHz spaced WDM data transmission system. We calculate microsphere characteristics such as WGM eigenfrequencies, dispersion, nonlinear Kerr coefficient with allowance for thermo-optical effects, and simulate OFC generation in the regime of a stable dissipative Kerr soliton. We show that by employing generated OFC lines as optical carriers for WDM data transmission, it is possible to ensure error-free data transmission with a bit error rate (BER) of 4.5 × 10−30, providing a total of 40 Gbit/s of transmission speed on four channels.
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