Hybrid LD and LED-based underwater optical communication: state-of-the-art, opportunities, challenges, and trends [Invited]

Xuan Huang; Fang Yang; Jian Song

doi:10.3788/COL201917.100002

Journals >Chinese Optics Letters >Volume 17 >Issue 10 >Page 100002 > Article

Chinese Optics Letters
Vol. 17, Issue 10, 100002 (2019)

Hybrid LD and LED-based underwater optical communication: state-of-the-art, opportunities, challenges, and trends [Invited]

Xuan Huang¹, Fang Yang^1,2,*, and Jian Song^1,2

Author Affiliations

¹Department of Electronic Engineering, Tsinghua University & Beijing National Research Center for Information Science and Technology (BNRist), Beijing 100084, China

²Key Laboratory of Digital TV System of Guangdong Province and Shenzhen City, Research Institute of Tsinghua University in Shenzhen, Shenzhen 518057, China

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DOI: 10.3788/COL201917.100002 Cite this Article Set citation alerts

Xuan Huang, Fang Yang, Jian Song, "Hybrid LD and LED-based underwater optical communication: state-of-the-art, opportunities, challenges, and trends [Invited]," Chin. Opt. Lett. 17, 100002 (2019) Copy Citation Text

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Fig. 1. Underwater wireless sensor network with aerospace and terrestrial communication.

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Fig. 2. Structure of the mobility restricted network with cluster-based networking.

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Fig. 3. Direct optical communication between underwater nodes and atmospheric communication targets.

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Component	Absorption Coefficient	Scattering Coefficient
Pure water	1. Unchanged at constant temperature and pressure.2. The absorption of blue and green light is low.	1. Rayleigh scattering. 2. Related to $λ$ .
CDOM	1. Vary with the concentration of CDOM.2. The absorption of blue light is strong.	Can be neglected.
Plankton	1. Vary with the concentration of plankton.2. The absorption of blue and red light is strong.	1. Mie scattering.2. Vary with the concentration of plankton.3. Decrease monotonously with $λ$ .
Detritus	1. Vary with the concentration of detritus.2. Decrease monotonously with $λ$ .	1. Mie scattering.2. Vary with the concentration of detritus.3. Decrease monotonously with $λ$ .

Table 1. Absorption and Scattering Characteristics of Different Seawater Components

Xuan Huang, Fang Yang, Jian Song, "Hybrid LD and LED-based underwater optical communication: state-of-the-art, opportunities, challenges, and trends [Invited]," Chin. Opt. Lett. 17, 100002 (2019)

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