Fast and Energy‐Efficient Non‐Volatile III‐V‐on‐Silicon Photonic Phase Shifter Based on Memristors
Fast and Energy‐Efficient Non‐Volatile III‐V‐on‐Silicon Photonic Phase Shifter Based on Memristors
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DOI：
10.1002/adom.202301178
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发表时间：
2023-05
影响因子：
9
通讯作者：
Zhuoran Fang;B. Tossoun;A. Descos;D. Liang;Xue Huang;G. Kurczveil;A. Majumdar;R. Beausoleil
中科院分区：
文献类型：
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作者：
Zhuoran Fang;B. Tossoun;A. Descos;D. Liang;Xue Huang;G. Kurczveil;A. Majumdar;R. Beausoleil
在过去的十年中，硅光子学已经从实验室研究发展到商业产品，因为它在下一代数据中心和高性能计算的数据通信中发挥着越来越重要的作用。最近，可编程硅光子学在量子和经典信息处理中也有了新的应用。可编程硅光子集成电路（PICs）的一个关键组件是移相器，传统上是通过热光学或自由载流子效应实现的，这些效应弱、易失且耗电。非易失性移相器可以绕过这些限制，需要零功率来保持切换相位。以前的非易失性相位调制是通过相变或铁电材料实现的，但开关能量仍然很高（皮焦耳到纳焦耳），速度很慢（微到毫秒）。本文报道了一种基于HfO2忆阻器的非易失性III - V - on -硅光子移相器，其开关能量为亚pJ(≈400 fJ)，与目前的技术水平相比，其能效提高了一个数量级以上。非易失性移相器可以使用单个100 ns脉冲可逆地切换，并且具有超过800次循环的优异耐久性。该技术可以使未来的节能可编程pic用于数据中心、光神经网络和量子信息处理。
Silicon photonics has evolved from lab research to commercial products in the past decade as it plays an increasingly crucial role in data communication for next‐generation data centers and high‐performance computing. Recently, programmable silicon photonics has also found new applications in quantum and classical information processing. A key component of programmable silicon photonic integrated circuits (PICs) is the phase shifter, traditionally realized via thermo‐optic or free‐carrier effects that are weak, volatile, and power hungry. A non‐volatile phase shifter can circumvent these limitations by requiring zero power to maintain the switched phases. Previously non‐volatile phase modulation is achieved via phase‐change or ferroelectric materials, but the switching energy remains high (pico to nano joules) and the speed is slow (micro to milliseconds). Here, a non‐volatile III‐V‐on‐silicon photonic phase shifter based on a HfO2 memristor with sub‐pJ switching energy (≈400 fJ), representing over an order of magnitude improvement in energy efficiency compared to the state of the art, is reported. The non‐volatile phase shifter can be switched reversibly using a single 100 ns pulse and exhibits excellent endurance over 800 cycles. This technology can enable future energy‐efficient programmable PICs for data centers, optical neural networks, and quantum information processing.