Generation of Bandwidth-Enhanced Chaos by Distributed Reflection Lasers with Optical Drive

Lei Gong; Zhiwei Jia; Junli Wang; Qingtian Li; Yuanyuan Guo; Longsheng Wang; Anbang Wang

doi:10.3788/AOS250728

Acta Optica Sinica, Volume. 45, Issue 17, 1720026(2025)

Generation of Bandwidth-Enhanced Chaos by Distributed Reflection Lasers with Optical Drive

Lei Gong^1,2, Zhiwei Jia^1,2, Junli Wang^1,2, Qingtian Li^1,2, Yuanyuan Guo^1,2, Longsheng Wang^1,2, and Anbang Wang^1,3、*

Author Affiliations

¹Key Laboratory of Advanced Transducers and Intelligent Control System, Ministry of Education, Taiyuan University of Technology, Taiyuan 030024, Shanxi , China

²College of Physics and Optoelectronics, Taiyuan University of Technology, Jinzhong 030600, Shanxi , China

³Key Laboratory of Photonic Technology for Integrated Sensing and Communication, Ministry of Education, Guangdong University of Technology, Guangzhou 510006, Guangdong , China

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Figures & Tables(7)

Fig. 1. Schematic structure of optical-driven three-section distributed reflector laser

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Fig. 2. Simulation results of drive and response lasers. (a) Optical spectra; (b) RF spectra; (c) temporal waveform

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Fig. 3. Influence of injection intensities on chaotic bandwidth and corresponding RF spectra with different injection intensities. (a) Influence of injection intensities on chaotic bandwidth; (b) $K_{i n j} = 0.02$ ; (c) $K_{i n j} = 0.20$ ; (d) $K_{i n j} = 0.87$

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Fig. 4. Effects of the bias current variations on bandwidth and the position/intensity of PPR resonance peaks. (a1)(a2) Under the conditions of I_DFB=100 mA and I_P=0 mA, varying with I_DBR; (b1)(b2) under the conditions of I_DFB=100 mA and I_DBR=0 mA, varying with I_P

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Fig. 5. Experimental setup and performance of the laser. (a) Schematic diagram of the experimental setup; (b) chip schematic diagram of the response laser; (c) P-I curve of the DFB region

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Fig. 6. Experimental results of drive and response lasers. (a) Optical spectra; (b) RF spectra

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Fig. 7. Influence of injection intensities on chaotic bandwidth and corresponding RF spectra with different injection intensities. (a) Influence of injection intensities on chaotic bandwidth; (b) $K_{i n j} = 0.10$ ; (c) $K_{i n j} = 0.50$ ; (d) $K_{i n j} = 1.40$

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Lei Gong, Zhiwei Jia, Junli Wang, Qingtian Li, Yuanyuan Guo, Longsheng Wang, Anbang Wang. Generation of Bandwidth-Enhanced Chaos by Distributed Reflection Lasers with Optical Drive[J]. Acta Optica Sinica, 2025, 45(17): 1720026

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Paper Information

Category: Optics in Computing

Received: Mar. 12, 2025

Accepted: May. 7, 2025

Published Online: Sep. 3, 2025

The Author Email: Anbang Wang (abwang@gdut.edu.cn)

DOI:10.3788/AOS250728

CSTR:32393.14.AOS250728

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology