Bin Lu, Fang Wei, Zhen Zhang, Dan Xu, Zhengqing Pan, Dijun Chen, Haiwen Cai. Research on tunable local laser used in ground-to-satellite coherent laser communication[J]. Chinese Optics Letters, 2015, 13(9): 091402
- Chinese Optics Letters
- Vol. 13, Issue 9, 091402 (2015)
Fig. 1. Schematic diagram of the modulation-sideband injection locking.
Fig. 2. Schematic diagram of the RF signal source.
Fig. 3. RF signal spectrum diagram at 7.94796 GHz.
Fig. 4. Spectra of the local laser. (a) Modulated master laser. (b) Injection-locked slave laser.
Fig. 5. Linewidths of the master and injection-locked slave lasers.
Fig. 6. Intensity curves of the non-equilibrium Mach–Zehnder interferometer for laser frequency modulation.
Fig. 7. Capture process.
Fig. 8. Doppler frequency shift tracking within 12 MHz.
Fig. 9. Doppler frequency shift tracking within 6 GHz.
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Table 1. Parameters of the VCO
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