Self-balanced real-time photonic scheme for ultrafast random number generation

Li, Pu; Guo, Ye; Guo, Yanqiang; Fan, Yuanlong; Guo, Xiaojie; Liu, Xianglian; Shore, K.A.; Dubrova, Elena; Xu, Bingjie; Wang, Yuncai; Wang, Anbang

doi:10.1063/1.5029498

Cited by 12 publications

(3 citation statements)

References 34 publications

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“…A broadband RF spectrum is one of the significant characteristics of chaos. The bandwidth of chaos determines the range resolution of chaotic lidar [37], the bit rate of random sequence generation [38] and the transmission rate of optical chaos communications [39]. We use a conventional definition of bandwidth of chaotic signals as the frequency span between the DC and the frequency where 80% of the energy is contained [40], and investigate the bandwidth of mid-infrared chaos.…”

Section: Bandwidth Of Chaosmentioning

confidence: 99%

Nonlinear Dynamics of Interband Cascade Laser Subjected to Optical Feedback

et al. 2021

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We present a theoretical study of the nonlinear dynamics of a long external cavity delayed optical feedback-induced interband cascade laser (ICL). Using the modified Lang–Kobayashi equations, we numerically investigate the effects of some key parameters on the first Hopf bifurcation point of ICL with optical feedback, such as the delay time (τf), pump current (I), linewidth enhancement factor (LEF), stage number (m) and feedback strength (fext). It is found that compared with τf, I, LEF and m have a significant effect on the stability of the ICL. Additionally, our results show that an ICL with few stage numbers subjected to external cavity optical feedback is more susceptible to exhibiting chaos. The chaos bandwidth dependences on m, I and fext are investigated, and 8 GHz bandwidth mid-infrared chaos is observed.

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Section: Bandwidth Of Chaosmentioning

confidence: 99%

Nonlinear Dynamics of Interband Cascade Laser Subjected to Optical Feedback

et al. 2021

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“…Laser chaos has important applications in many fields such as random number generation [1][2][3][4][5], chaotic optical communications [6][7][8][9][10] and ranging lidars [11][12][13]. Semiconductor lasers are often used as chaotic light sources due to their complex dynamic characteristics and fast response [14].…”

Section: Introductionmentioning

confidence: 99%

Sub-40 GHz Broadband Polarization Chaos Generation Using Mutually Coupled Free-Running VCSELs

Bian

Zhang

et al. 2023

Photonics

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We propose a simple method to generate broadband polarization chaos using two mutually coupled free-running vertical-cavity surface-emitting lasers (VCSELs). Specifically, we quantitatively investigate the effect of critical external parameters (bias current, frequency detuning and coupling coefficient) on the polarization chaos bandwidth in the scenarios of parallel injection and orthogonal injection, and reveal the physical mechanism of bandwidth enhancement in two scenarios. Final simulation results show that the bandwidth of chaotic signals obtained from parallel and orthogonal injection can reach 35.15 GHz and 32.96 GHz, respectively.

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“…Li et al demonstrated a Tb/s parallel RNG based on a single quarter-wavelength-shifted distributed feedback laser [27] . Real-time chaotic random number generators were demonstrated by using high-speed electronic devices or all-optical quantization [28][29][30] .…”

Section: Introductionmentioning

confidence: 99%

400 Gb/s physical random number generation based on deformed square self-chaotic lasers

Dong

et al. 2023

中国光学快报

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A circular-sided square microcavity laser etched a central hole has achieved chaos operation with a bandwidth of 20.8 GHz without external optical feedback or injection, in which the intensity probability distribution of a chaotic signal with a twopeak pattern was observed. Based on the self-chaotic microlaser, physical random numbers at 400 Gb/s were generated by extracting the four least significant bits without other complex post-processing methods. The solitary chaos laser and minimal post-processing have predicted a simpler and low-cost on-chip random number generator in the future.

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Self-balanced real-time photonic scheme for ultrafast random number generation

Cited by 12 publications

References 34 publications

Nonlinear Dynamics of Interband Cascade Laser Subjected to Optical Feedback

Nonlinear Dynamics of Interband Cascade Laser Subjected to Optical Feedback

Sub-40 GHz Broadband Polarization Chaos Generation Using Mutually Coupled Free-Running VCSELs

400 Gb/s physical random number generation based on deformed square self-chaotic lasers

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