On-chip CMOS-compatible all-optical integrator.

On-chip CMOS-compatible all-optical integrator.
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DOI:
10.1038/ncomms1028
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发表时间:
2010-06-15
影响因子:
16.6
通讯作者:
Azana, J.
Azana, J.
中科院分区:
综合性期刊1区
文献类型:
--
作者:
Ferrera, M.;Park, Y.;Razzari, L.;Little, B. E.;Chu, S. T.;Morandotti, R.;Moss, D. J.;Azana, J.

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使用光子器件的一个原因是它们的速度--比电子电路快得多--但将这两种技术整合起来存在许多挑战。Ferrera等人。构建了一个与cmos兼容的单片光波形积分器,这是光子电路的关键构件。用于计算和信息处理的全光电路可以克服电子学固有的速度限制。然而,在光子学中,几乎没有与多功能电子电路中使用的基本‘积木’相当的‘积木’。在这项研究中,我们报道了第一个在单片集成平台上的全光时间积分器。我们的设备--基于无源微环谐振器的光波类电容元件--执行任意光波形复数场的时间积分,时间分辨率为几皮秒,对应于∼200千兆赫的处理速度,保持时间接近纳秒。这种与电子技术(互补金属氧化物半导体)兼容的设备将成为下一代超高速数据处理技术的基石之一,使光学存储器和实时微分方程式计算单元成为可能。
One reason for using photonic devices is their speed—much faster than electronic circuits—but there are many challenges in integrating the two technologies. Ferrera et al. construct a CMOS-compatible monolithic optical waveform integrator, a key building block for photonic circuits. All-optical circuits for computing and information processing could overcome the speed limitations intrinsic to electronics. However, in photonics, very few fundamental 'building blocks' equivalent to those used in multi-functional electronic circuits exist. In this study, we report the first all-optical temporal integrator in a monolithic, integrated platform. Our device—a lightwave 'capacitor-like' element based on a passive micro-ring resonator—performs the time integral of the complex field of an arbitrary optical waveform with a time resolution of a few picoseconds, corresponding to a processing speed of ∼200 GHz, and a 'hold' time approaching a nanosecond. This device, compatible with electronic technology (complementary metal-oxide semiconductor), will be one of the building blocks of next-generation ultrafast data-processing technology, enabling optical memories and real-time differential equation computing units.
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