[1] ITU-T[S]. Interfaces for the optical transport network (OTN): recommendationITU-T G.709(2020).

[2] Zhao X W, Zhang Y, Qin P et al. Key technologies and development trends for a space-air-ground integrated wireless optical communication network[J]. Acta Electronica Sinica, 50, 1-17(2022).

[3] Starlink. Technology optical space lasers[EB/OL]. https:∥www.starlink.com/technology

[4] Asia Communications and Photonics Conference. The white paper on the sixth generation fixed network (F6G) version 2.0[R](2024).

[5] Zhao S H, Peng C, Li Y J et al. Key technology progress of next-generation satellite optical network for satellite internet[J]. Laser & Optoelectronics Progress, 60, 0700001(2023).

[6] Son I K, Mao S W. A survey of free space optical networks[J]. Digital Communications and Networks, 3, 67-77(2017).

[7] Chen S Z, Fan Z W, Jin J D et al. Analysis and suggestions on inter-satellite laser communication of satellite internet[J]. Telecommunications Science, 40, 1-10(2024).

[8] Sun C L, Liu L, Guo H. Research on the standards of low earth orbit internet constellation communication protocol system[J]. Space Electronic Technology, 21, 97-103(2024).

[9] Wang H Z, Wang H Q, Tan J et al. A delay tolerant network routing policy based on optimized control information generation method[J]. IEEE Access, 6, 51791-51803(2018).

[10] Li Z X, An Y, Hu L C et al. Design and equivalent validation of an omnidirectional domain laser communication optical antenna for low-orbit satellite networking[J]. Acta Optica Sinica, 45, 0706001(2025).

[11] Karafolas N. Optical satellite networking: the concept of a global satellite optical transport network[M]. Near-earth laser communications, 401-428(2020).

[12] Arora H, Goyal R. A review on inter-satellite link in inter-satellite optical wireless communication[J]. Journal of Optical Communications, 38, 63-67(2017).

[13] Wang G H, Yang F, Song J et al. Free space optical communication for inter-satellite link: architecture, potentials and trends[J]. IEEE Communications Magazine, 62, 110-116(2024).

[14] Chan V W S. Optical satellite network architecture [invited tutorial][J]. Journal of Optical Communications and Networking, 16, A53-A67(2024).

[15] Chan V W S. Optical satellite networks[J]. Journal of Lightwave Technology, 21, 2811-2827(2003).

[16] Wang N Y, Chen D, Liu L et al. Development trend and architecture prospect of future low-earth-orbit information networks[J]. Journal of Electronics and Information Technology, 45, 396-406(2023).

[17] Gao Y P, Liu Y, Teng Y J et al. Improved active disturbance rejection control in inter-satellite laser communication network[J]. Acta Optica Sinica, 44, 2106001(2024).

[18] Zou K H, Pang K, Song H et al. High-capacity free-space optical communications using wavelength- and mode-division-multiplexing in the mid-infrared region[J]. Nature Communications, 13, 7662(2022).

[19] van Uden R G H, Correa R A, Lopez E A et al. Ultra-high-density spatial division multiplexing with a few-mode multicore fibre[J]. Nature Photonics, 8, 865-870(2014).

[20] Guo W J, Li Y, Chen J J et al. Satellite-to-ground optical downlink model using mode mismatching multi-mode photonic lanterns[J]. Optics Express, 31, 35041-35053(2023).

[21] Fang J F, Bi M H, Xiao S L et al. Performance investigation of the polar coded FSO communication system over turbulence channel[J]. Applied Optics, 57, 7378-7384(2018).

[22] Xu G J, Xu M Z, Zhang Q Y et al. Cooperative FSO/RF space-air-ground integrated network system with adaptive combining: a performance analysis[J]. IEEE Transactions on Wireless Communications, 23, 17279-17293(2024).

[23] Xu C Z, Jin Y, Li L et al. Wireless transmission technology of satellite-terrestrial integration for 6G mobile communication[J]. Journal of Electronics & Information Technology, 43, 28-36(2021).

[24] Wu H, Wang S, Deng X C et al. On-board switching for space-integrated-ground informationnetwork: progress and trends[J]. Space-Integrated-Ground Information Networks, 2, 2-10(2021).

[25] Yan X C, Zhao Y L, Wang H et al. Shared path protection based on time window matching in optical satellite network[C], 1294-1298(2022).