Chinese Optics Letters, Volume. 22, Issue 3, 030601(2024)
Simple real-time high-sensitivity heterodyne coherent optical transceiver at intraplane satellite communication
Figures & Tables(11)
Fig. 2. Schematic of the transceiver. (a) Block diagram; (b) optical part prototype.
Fig. 5. Real-time bidirectional experimental setup. (a) Block diagram; (b) indoor ob2b experimental environment.
Table 1. Link Distances for Intraplane Satellite Links[21]
View tableView in ArticleTable 1. Link Distances for Intraplane Satellite Links[21]
Project Intraplane Link Distance Telesat 5200 km SpaceX 700 km OneWeb 1200 km
Table 2. Link Parameters
View tableView in ArticleTable 2. Link Parameters
Parameter Value Wavelength 1550 nm Tx & Rx aperture diameter 8 cm[ 1 ]Pointing accuracy 2.0 µrad[ 1 ]Tx power 1 W[ 1 ]Tx & Rx optical system efficiency 0.5
Table 3. Experimental Parameters
View tableView in ArticleTable 3. Experimental Parameters
Parameter Value Wavelength 1540.56 nm (uplink) 1563.05 nm (downlink) Data rate 5 Gbps QPSK Tx & Rx ECL power 10 dBm Tx & Rx ECL linewidth 10 kHz Code pattern PRBS15 EDFA NF 4 dB ADC sampling rate 10 GSa/s ADC bit-width 8-bit
Table 4. Performance of Different Published Real-Time FSO Coherent Transceivers
View tableView in ArticleTable 4. Performance of Different Published Real-Time FSO Coherent Transceivers
Structure Modulation Data Rate Sensitivity PPB DAC OPLL Reference Homodyne BPSK 1 Gbps −59.2 dBm 9.89 dB No Yes [ 23 ]Homodyne BPSK 5.625 Gbps ≈−43 dBm 18.39 dB No Yes [ 24 ]Autodyne DPSK 2.88 Gbps ≈−52 dBm 12.30 dB No No [ 25 ]Intradyne DP-QPSK 10 Gbps −37.2 dBm 21.76 dB Yes No [ 26 ]Heterodyne QPSK 5 Gbps −49 dBm 12.9 dB No No This work
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Yuanzhe Qu, Qianwu Zhang, Yanyi Wang, Yanhao Chen, Lewei Gong, Ziyue Liu, Junjie Zhang, Yingchun Li, Jian Chen, Yingxiong Song, "Simple real-time high-sensitivity heterodyne coherent optical transceiver at intraplane satellite communication," Chin. Opt. Lett. 22, 030601 (2024)
Paper Information
Category: Fiber Optics and Optical Communications
Received: Sep. 27, 2023
Accepted: Nov. 4, 2023
Published Online: Mar. 22, 2024
The Author Email: Qianwu Zhang (zhangqianwu@shu.edu.cn), Yingxiong Song (herosf@shu.edu.cn)
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