VCSEL光子神经Spiking动力学的抑制特性研究

李硕,马绍玲,王之靖,邓涛

doi:10.13718/j.cnki.xsxb.2018.09.013

西南师范大学学报(自然科学版)

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VCSEL光子神经Spiking动力学的抑制特性研究

李硕,马绍玲,王之靖,邓涛. VCSEL光子神经Spiking动力学的抑制特性研究[J]. 西南师范大学学报(自然科学版), 2018, 43(9): 79-85. doi: 10.13718/j.cnki.xsxb.2018.09.013

引用本文:

李硕,马绍玲,王之靖,邓涛. VCSEL光子神经Spiking动力学的抑制特性研究[J]. 西南师范大学学报(自然科学版), 2018, 43(9): 79-85. doi: 10.13718/j.cnki.xsxb.2018.09.013

LI Shuo, MA Shao-ling, WANG Zhi-jing, DENG Tao. Investigation of the Inhibited Characteristics of Spiking Dynamics of VCSEL Photonic Neuron[J]. Journal of Southwest China Normal University(Natural Science Edition), 2018, 43(9): 79-85. doi: 10.13718/j.cnki.xsxb.2018.09.013

Citation:

LI Shuo, MA Shao-ling, WANG Zhi-jing, DENG Tao. Investigation of the Inhibited Characteristics of Spiking Dynamics of VCSEL Photonic Neuron[J]. Journal of Southwest China Normal University(Natural Science Edition), 2018, 43(9): 79-85. doi: 10.13718/j.cnki.xsxb.2018.09.013

VCSEL光子神经Spiking动力学的抑制特性研究

李硕,马绍玲,王之靖,邓涛

西南大学物理科学与技术学院, 重庆 400715

Investigation of the Inhibited Characteristics of Spiking Dynamics of VCSEL Photonic Neuron

LI Shuo, MA Shao-ling, WANG Zhi-jing, DENG Tao

School of Physical Science and Technology, Southwest University, Chongqing 400715, China

摘要: 理论研究了外部扰动信号的强度和持续时间对1 300 nm-VCSEL光子神经spiking动力学抑制特性的影响.研究结果表明：VCSEL在适当的外部连续光注入下可工作在重复频率为亚纳秒级的连续spiking区；在引入外部扰动信号后，对于较小的扰动信号强度，VCSEL的spiking动力学抑制特性不受影响.随着扰动信号强度的增加，VCSEL在扰动信号作用区可激发出重复频率更低的spikes信号.当扰动信号强度达到一定水平后，VCSEL在扰动信号作用区激发的spikes信号可被有效抑制.此外，被抑制的spikes信号区与外部扰动信号的持续时间基本一致.对于一定的扰动信号强度和持续时间，VCSEL激发的spikes信号在扰动信号作用范围可被完全抑制.
- 1300nm-VCSEL /
- 光子神经 /
- 扰动信号 /
- spiking动力学 /
- 抑制
Abstract: The influence of the strength and duration of perturbation on the inhibition characteristics of spiking dynamics of 1 300 nm-VCSEL photonic neuron is theoretically investigated. The results show that VCSEL photonic neuron subject to suitable external continuous optical injection can operate at tonic spiking regime with a sub-nanosecond repetition rate. After introducing external perturbation to the continuous injection light, for relatively small perturbation strength, the spiking dynamics of VCSEL photonic neuron can remain unaffected. With increasing perturbation strength, VCSEL can fire some spikes with lower repetition rate during the entire perturbation time. Once the strength of perturbation exceeds a certain level, the spikes fired by VCSEL during the entire perturbation time can be completely suppressed. Moreover, the suppressed spikes region coincides with the perturbation duration. For a certain perturbation strength and duration, the spikes fired by VCSEL can be completely suppressed during the entire perturbation time.
- 1 300 nm-VCSEL /
- photonic neuron /
- perturbation /
- spiking dynamics /
- inhibition .

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VCSEL光子神经Spiking动力学的抑制特性研究

李硕,马绍玲,王之靖,邓涛

西南大学物理科学与技术学院, 重庆 400715

收稿日期: 2017-10-11

关键词:

摘要: 理论研究了外部扰动信号的强度和持续时间对1 300 nm-VCSEL光子神经spiking动力学抑制特性的影响.研究结果表明：VCSEL在适当的外部连续光注入下可工作在重复频率为亚纳秒级的连续spiking区；在引入外部扰动信号后，对于较小的扰动信号强度，VCSEL的spiking动力学抑制特性不受影响.随着扰动信号强度的增加，VCSEL在扰动信号作用区可激发出重复频率更低的spikes信号.当扰动信号强度达到一定水平后，VCSEL在扰动信号作用区激发的spikes信号可被有效抑制.此外，被抑制的spikes信号区与外部扰动信号的持续时间基本一致.对于一定的扰动信号强度和持续时间，VCSEL激发的spikes信号在扰动信号作用范围可被完全抑制.

English Abstract

Investigation of the Inhibited Characteristics of Spiking Dynamics of VCSEL Photonic Neuron

西南大学物理科学与技术学院, 重庆 400715

Received Date: 2017-10-11

Keywords:

Abstract: The influence of the strength and duration of perturbation on the inhibition characteristics of spiking dynamics of 1 300 nm-VCSEL photonic neuron is theoretically investigated. The results show that VCSEL photonic neuron subject to suitable external continuous optical injection can operate at tonic spiking regime with a sub-nanosecond repetition rate. After introducing external perturbation to the continuous injection light, for relatively small perturbation strength, the spiking dynamics of VCSEL photonic neuron can remain unaffected. With increasing perturbation strength, VCSEL can fire some spikes with lower repetition rate during the entire perturbation time. Once the strength of perturbation exceeds a certain level, the spikes fired by VCSEL during the entire perturbation time can be completely suppressed. Moreover, the suppressed spikes region coincides with the perturbation duration. For a certain perturbation strength and duration, the spikes fired by VCSEL can be completely suppressed during the entire perturbation time.