W. Freude, A. Maitra, J. Wang, C. Koos, C. Poulton, M. Fujii, J. Leuthold
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引用次数: 4
Abstract
All-optical signal processing is of high interest in view of potential applications in long-haul high-speed communication networks. One of the key techniques is based on active or passive nonlinear Bragg gratings with and without a tapering of the bandgap. Applications envisaged are all-optical switches, limiters, and isolators. For wavelength conversion, four-wave mixing (FWM) can be used, and resonant field enhancement is exploited to improve the conversion efficiency. We investigate the isolating properties of active and passive nonlinear Bragg gratings, and we discuss FWM in passive Bragg gratings and nonlinear ring resonators. For an InP-based micro-ring resonator we report a measured record efficiency of -32.6 dB for an on-chip pump power of 13.3 dBm
鉴于全光信号处理在长途高速通信网络中的潜在应用,它受到了人们的高度关注。其中一个关键技术是基于有源或无源非线性布拉格光栅,带隙有或没有变细。设想的应用是全光开关,限制器和隔离器。对于波长转换,可以采用四波混频(FWM),并利用共振场增强来提高转换效率。研究了有源和无源非线性Bragg光栅的隔离特性,讨论了无源Bragg光栅和非线性环形谐振器中的FWM。对于基于inp的微环谐振器,我们报告了在片上泵浦功率为13.3 dBm时测量到的记录效率为-32.6 dB