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Response shaping with a silicon ring resonator via double injection
Nature Photonics ( IF 32.3 ) Pub Date : 2018-10-26 , DOI: 10.1038/s41566-018-0275-4
Roei Aviram Cohen , Ofer Amrani , Shlomo Ruschin

Modern systems often provide complex functionality that can be realized by tailoring together elements of simpler functionality. Multiplicity of simple optical functions (response shapes), when densely fabricated on a chip, can promote the concept of a field-programmable optical array. Shaping of the frequency response, or otherwise an electrical-to-optical response, is studied and demonstrated by means of a racetrack-shaped ring resonator designed and fabricated in the so-called double injection configuration. This configuration possesses a unique property that allows two free spectral range states (regular, 2 × regular) to exist for a single ring length. Shaping is realized by properly selecting different coupling coefficients that provide a variety of interesting responses. Here, we demonstrate various shapes including: sinusoidal, triangular (linear), square (bandpass), dips and peaks (two states), spikes (tangent-like), interleaver and a so-called 20dB-min parameters-insensitive-response modulator. The transmission responses were experimentally realized, fabricated in a silicon-on-insulator platform and characterized at wavelengths around 1,550 nm.



中文翻译:

硅环形谐振器通过双注入进行响应整形

现代系统通常提供复杂的功能,可以通过将简单功能的元素组合在一起来实现。在芯片上密集制造时,多种简单的光学功能(响应形状)可以促进现场可编程光学阵列的概念。借助于以所谓的双注入配置设计和制造的跑道形环形谐振器,研究并演示了频率响应或电光响应的成形。此配置具有独特的属性,允许在单个环长度上存在两个自由光谱范围状态(常规,2×常规)。整形是通过适当的选择提供了各种有趣的反应不同耦合系数来实现。在这里,我们演示了各种形状,包括:正弦形,三角形(线性),正方形(带通),谷值和谷值(两种状态),尖峰(类似切线),交织器和所谓的20dB-min参数不敏感响应调制器。传输响应是通过实验实现的,是在绝缘体上硅平台上制造的,并具有约1,550 nm的波长。

更新日期:2018-12-10
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