Dingmei Zhang, Zaifu Jiang. Dynamics of Semiconductor Ring Laser Subject to Phase Conjugate Optical Feedback[J]. Laser & Optoelectronics Progress, 2021, 58(19): 1919001
- Laser & Optoelectronics Progress
- Vol. 58, Issue 19, 1919001 (2021)
Fig. 1. Scheme diagram of SRL subject to phase conjugate optical feedback
Fig. 2. Time series of CW and CCW modes for different T when Φ2－Φ1=0.5π and k=0.8 ns-1. (a) T=5 ns; (b) T=10 ns; (c) T=15 ns
Fig. 3. Time series (first column), optical spectra (second column), and phase portraits (third column) of SRL for different k when Φ2－Φ1=0 and T=5 ns. (a)(b)(c) k=0.4 ns-1; (d)(e)(f) k=0.8 ns-1; (g)(h)(i) k=6 ns-1
Fig. 4. Bifurcation diagram output from SRL under Φ2－Φ1=0 and T=5 ns
Fig. 5. Time series (first column), power spectra (second column), and autocorrection diagrams (third column) of SRL subject to phase conjugate feedback for different k. (a)(b)(c) k=2 ns-1; (d)(e)(f) k=3 ns-1; (g)(h)(i) k=8 ns-1; (j)(k)(l) k=15 ns-1
Fig. 6. Time-delay signature and bandwidth versus feedback strength. (a) TDS; (b) BW
Fig. 7. Time series of SRL for different phase differences. (a) Φ2－Φ1=0; (b) Φ2－Φ1=0.3π; (c) Φ2－Φ1=0.6π;(d) Φ2－Φ1=0.9π; (e) Φ2－Φ1=1.2π; (f) Φ2－Φ1=1.5π
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Table 1. Physical parameters and values related to SRL
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