Preliminary demonstration of text and real-time video transmission in free space optical communication system at 2 μm band

Baio Guan; Fengping Yan; Ting Feng; Wenguo Han; Qi Qin; Luna Zhang; Ting Li; Ying Guo; Zhuoya Bai; Yuping Suo; Hong Zhou

doi:10.1117/12.2625449

27 March 2022 Preliminary demonstration of text and real-time video transmission in free space optical communication system at 2 μm band

Baio Guan, Fengping Yan, Ting Feng, Wenguo Han, Qi Qin, Luna Zhang, Ting Li, Ying Guo, Zhuoya Bai, Yuping Suo, Hong Zhou

Author Affiliations +

Proceedings Volume 12169, Eighth Symposium on Novel Photoelectronic Detection Technology and Applications; 121699M (2022) https://doi.org/10.1117/12.2625449
Event: Eighth Symposium on Novel Photoelectronic Detection Technology and Applications, 2021, Kunming, China

Abstract

A free space optical communication system at 2 μm band was preliminary demonstrated. The fiber laser source is a homemade continuous wave thulium-doped fiber laser with single-wavelength output. The center wavelength of the fiber laser is 2048.15 nm, and the fluctuation of the wavelength and optical power is less than 0.02 nm and 0.893 dB, respectively. By modulating and demodulating the radio frequency signal, the text and real-time video transmission was realized. The transmission distance in free space is ~1 m, and the transmission rate is less than 66 kbit/s. With further improvement, the system may be well suited in free space optical communication system.

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Baio Guan, Fengping Yan, Ting Feng, Wenguo Han, Qi Qin, Luna Zhang, Ting Li, Ying Guo, Zhuoya Bai, Yuping Suo, and Hong Zhou "Preliminary demonstration of text and real-time video transmission in free space optical communication system at 2 μm band", Proc. SPIE 12169, Eighth Symposium on Novel Photoelectronic Detection Technology and Applications, 121699M (27 March 2022); https://doi.org/10.1117/12.2625449

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