High-entropy chaos generation using semiconductor lasers subject to intensity-modulated optical injection for certified physical random number generation

CH Tseng, R Funabashi, K Kanno, A Uchida, CC Wei… - Optics Letters, 2021 - opg.optica.org
This study investigates high-entropy chaos generation using a semiconductor laser subject
to intensity-modulated optical injection for certified physical random number generation …

V-and W-band microwave generation and modulation using semiconductor lasers at period-one nonlinear dynamics

CH Tseng, CT Lin, SK Hwang - Optics Letters, 2020 - opg.optica.org
Microwave generation and modulation over the V-and W-bands are investigated using a
semiconductor laser subject to both comb-like optical injection and direct modulation. The …

Frequency-modulated continuous-wave microwave generation using stabilized period-one nonlinear dynamics of semiconductor lasers

CH Tseng, YH Hung, SK Hwang - Optics Letters, 2019 - opg.optica.org
Frequency-modulated continuous-wave (FMCW) microwave generation is studied using a
semiconductor laser operating at stabilized period-one (P1) nonlinear dynamics when …

Broadband chaotic microwave generation through destabilization of period-one nonlinear dynamics in semiconductor lasers for radar applications

CH Tseng, SK Hwang - Optics Letters, 2020 - opg.optica.org
This Letter studies a photonic approach for chaotic microwave generation through
destabilization of period-one (P1) nonlinear dynamics in a semiconductor laser subject to …

Entropy analysis on chaos excited through destabilization of semiconductor lasers at period-one nonlinear dynamics for physical random number generation

CH Tseng, R Funabashi, K Kanno, A Uchida… - Optics …, 2024 - opg.optica.org
This study analyzes entropy of broadband chaos excited in a semiconductor laser subject to
intensity-modulated optical injection for random number generation with guaranteed …

Stable period-one oscillations in a semiconductor laser under optical feedback from a narrowband fiber Bragg grating

SS Li, X Zou, L Wang, A Wang, W Pan, L Yan - Optics Express, 2020 - opg.optica.org
Period-one (P1) oscillations in a semiconductor laser under optical feedback from a
narrowband fiber Bragg grating (FBG) are numerically investigated. FBG feedback …

All-optical, tunable, V-and W-band microwave generation using semiconductor lasers at period-one nonlinear dynamics with asymmetric mutual injection stabilization

CH Tseng, BK Liao, SK Hwang - Optics Letters, 2022 - opg.optica.org
This study investigates an optically injected semiconductor laser operating at period-one
nonlinear dynamics for all-optical microwave generation. A novel, to the best of our …

Simultaneous wireless mm-wave transmission of both SC-modulated and OFDM-modulated high-order QAM signals enabled by bandpass delta-sigma modulation

T Xie, X Xin, J Bi, H Yan, X Li, X Pan - Optics Express, 2024 - opg.optica.org
The application of dual vector millimeter-wave (mm-wave) signals in radio-over-fiber (RoF)
systems represents a significant opportunity to enhance spectrum efficiency, transmission …

Microwave frequency switching delays in phase-locked period-one dynamics of semiconductor lasers

HWW Lin, CA Sung, YH Hung - Optics Letters, 2024 - opg.optica.org
Modern microwave switches require high switching speeds to rapidly route data over
multiple radio channels while minimizing the routing delay. This Letter proposes a novel, to …

Dual-chirp-based photonic THz-ISAC system with adaptive frequency synchronization

Z Lyu, L Zhang, Z Yang, Q Deng, X Fang, C Zhang… - Optics Letters, 2024 - opg.optica.org
Recent advancements have brought significant attention to photonic terahertz (THz)-
integrated sensing and communication (ISAC) systems. In this work, we present an adaptive …