Research on tunable local laser used in ground-to-satellite coherent laser communication

Bin Lu; Fang Wei; Zhen Zhang; Dan Xu; Zhengqing Pan; Dijun Chen; Haiwen Cai

doi:10.3788/COL201513.091402

Chinese Optics Letters, Volume. 13, Issue 9, 091402(2015)

Research on tunable local laser used in ground-to-satellite coherent laser communication

Bin Lu^1,2, Fang Wei¹, Zhen Zhang^1,2, Dan Xu^1,2, Zhengqing Pan¹, Dijun Chen^1、*, and Haiwen Cai^1、**

¹Shanghai Key Laboratory of All Solid-State Laser and Applied Techniques, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China

²University of Chinese Academy of Science, Beijing 100049, China

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Figures & Tables(10)

Fig. 1. Schematic diagram of the modulation-sideband injection locking.

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Fig. 2. Schematic diagram of the RF signal source.

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Fig. 3. RF signal spectrum diagram at 7.94796 GHz.

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Fig. 4. Spectra of the local laser. (a) Modulated master laser. (b) Injection-locked slave laser.

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Fig. 5. Linewidths of the master and injection-locked slave lasers.

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Fig. 6. Intensity curves of the non-equilibrium Mach–Zehnder interferometer for laser frequency modulation.

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Fig. 7. Capture process.

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Fig. 8. Doppler frequency shift tracking within 12 MHz.

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Fig. 9. Doppler frequency shift tracking within 6 GHz.

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Table 1. Parameters of the VCO

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Table 1. Parameters of the VCO

Frequency Range	5–10 GHz
Power Output	17–20 dBm
Tune Voltage	0–20 V
Supply Current	195 mA@15 V
Second Harmonic	$- 15 dBc$
SSB Phase Noise	$- 93 dBc / Hz @ 100 kHz$
SSB Phase Noise	$- 64 dBc / Hz @ 10 kHz$

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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," Chin. Opt. Lett. 13, 091402 (2015)

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Paper Information

Category: Integrated Optics

Received: Apr. 22, 2015

Accepted: Jul. 9, 2015

Published Online: Sep. 14, 2018

The Author Email: Dijun Chen (djchen@siom.ac.cn), Haiwen Cai (hwcai@siom.ac.cn)

DOI:10.3788/COL201513.091402

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology