[1] M A Khalighi, M Uysal. Survey on free space optical communication: A communication theory perspective. IEEE Commun Surv Tutor, 16, 2231(2014).
[2] S Rajbhandari, J J McKendry, J Herrnsdorf et al. A review of gallium nitride LEDs for multi-gigabit-per-second visible light data communications. Semicond Sci Technol, 32, 023001(2017).
[3] G A Shaw, M L Nischan, M A Iyengar et al. NLOS UV communication for distributed sensor systems. International Symposium on Optical Science and Technology, 83(2000).
[4] Z Xu, B M Sadler. Ultraviolet communications: potential and state-of-the-art. IEEE Commun Mag, 46, 67(2008).
[5]
[6]
[7]
[8] B Charles, B Hughes, A Erickson et al. Ultraviolet laser-based communication system for short-range tactical applications. OE/LASE '94, 79(1994).
[9] G A Shaw, A M Siegel, J Model et al. Field testing and evaluation of a solar-blind UV communication link for unattended ground sensors. Defense and Security, 250(2004).
[10] G A Shaw, A M Siegel, J Model. Extending the range and performance of non-line-of-sight ultraviolet communication links. Defense and Security Symposium, 62310C(2006).
[11] Z Xu, M K Tsatsanis. Blind adaptive algorithms for minimum variance CDMA receivers. IEEE Trans Commun, 49, 180(2001).
[12] Z Xu, G Chen, F Abou-Galala et al. Experimental performance evaluation of non-line-of-sight ultraviolet communication systems. Optical Engineering + Applications, 67090Y(2007).
[13] Z Xu, H Ding, B M Sadler et al. Analytical performance study of solar blind non-line-of-sight ultraviolet short-range communication links. Opt Lett, 33, 1860(2008).
[14] L D Liu, G Q Ni, S D Zhong et al. Application and detection of ultraviolet and their new development. Opt Technol, 2, 87(1998).
[15] G Q Ni. Study on ultraviolet communication through disengaged atmodphere. Opt Tech, 26, 297(2000).
[16] Y Tang, G Ni, L Zhang et al. Study of single scatter model in NLOS UV communication. Opt Tech, 33, 759(2007).
[17] Y Tang, Z L Wu, G Q Ni et al. NLOS single scattering model in digital UV communication. Asia-Pacific Opt Communi, 713615(2008).
[18] D Kedar, S Arnon. Subsea ultraviolet solar-blind broadband free-space optics communication. Opt Eng, 48, 046001(2009).
[19] N Raptis, E Pikasis, D Syvridis. Power losses in diffuse ultraviolet optical communications channels. Opt Lett, 41, 4421(2016).
[20] H Yin, S Chang, X Wang et al. Analytical model of non-line-of-sight single-scatter propagation. J Opt Soc Am A, 27, 1505(2010).
[21] H Yin, S Chang, H Jia et al. Non-line-of-sight multiscatter propagation model. J Opt Soc Am A, 26, 2466(2009).
[22] H Zhang, H Yin, H Jia et al. Study of effects of obstacle on non-line-of-sight ultraviolet communication links. Opt Express, 19, 21216(2011).
[23]
[24] H Yin, J Yang, S Chang et al. Analysis of several factors influencing range of non-line-of-sight UV transmission. Asia-Pacific Optical Communications, 67833E(2007).
[25] H Jia, H X Huang, H Zhang. Influence factors on data speed of wireless ultraviolet communication. Optics & Optoelectronic Technology, 1, 20(2010).
[26] Y Zuo, H Xiao, J Wu et al. A single-scatter path loss model for non-line-of-sight ultraviolet channels. Opt Express, 20, 10359(2012).
[27] Y Zuo, Jian Wu, H F Xiao et al. Non-line-of-sight ultraviolet communication performance in atmospheric turbulence. China Commun, 10, 52(2013).
[28] H Xiao, Y Zuo, J Wu et al. Non-line-of-sight ultraviolet single-scatter propagation model in random turbulent medium. Opt Lett, 38, 3366(2013).
[29] L Guo, D Meng, K Liu et al. Experimental research on the MRC diversity reception algorithm for UV communication. Appl Opt, 54, 5050(2015).
[30] X Meng, M Zhang, D Han et al. Experimental study on 1× 4 real-time SIMO diversity reception scheme for a ultraviolet communication system. European Conference on Networks and Optical Communications (NOC), 1(2015).
[31] Z Sun, L Zhang, Y Qin et al. 1 Mbps NLOS solar-blind ultraviolet communication system based on UV-LED array. International Conference on Optical Instruments and Technology 2017, 106170O(2017).
[32] X Sun, W Cai, O Alkhazragi et al. 375-nm ultraviolet-laser based non-line-of-sight underwater optical communication. Opt Express, 26, 12870(2018).
[33] X Sun, M Kong, O Alkhazragi et al. Non-line-of-sight methodology for high-speed wireless optical communication in highly turbid water. Opt Commun, 461, 125264(2020).
[34] X He, E Xie, M S Islim et al. 1 Gbps free-space deep-ultraviolet communications based on III-nitride micro-LEDs emitting at 262 nm. Photonics Res, 7, B41(2019).
[35] K Kojima, Y Yoshida, M Shiraiwa et al. 1.6-Gbps LED-based ultraviolet communication at 280 nm in direct sunlight. 2018 European Conference on Optical Communication (ECOC), 1(2018).
[36] P Laj, J Klausen, M Bilde et al. Measuring atmospheric composition change. Atmos Environ, 43, 5351(2009).
[37] V Walter, M Saska, A Franchi. Fast mutual relative localization of uavs using ultraviolet led markers. 2018 International Conference on Unmanned Aircraft Systems (ICUAS), 1217(2018).
[38]
[39] D F Swinehart. The beer-lambert law. J Chem Educ, 39, 333(1962).
[40] M R Luettgen, J H Shapiro, D M Reilly. Non-line-of-sight single-scatter propagation model. J Opt Soc Am A, 8, 1964(1991).
[41] K A Sholtes, K Lowe, G W Walters et al. Comparison of ultraviolet light-emitting diodes and low-pressure mercury-arc lamps for disinfection of water. Environ Technol, 37, 2183(2016).
[42] T Pousset, P Cussac, G Zissis et al. Electronic ballast for high-pressure mercury lamps. 1996 IEEE Industry Applications Society Annual Meeting, 2109(1996).
[43]
[44]
[45] K X Sun, N Leindecker, S Higuchi et al. UV LED operation lifetime and radiation hardness qualification for space flights. 7th International LISA Symposium, 012028(2008).
[46]
[47]
[48] J J Puschell, R Bayse. High data rate ultraviolet communication systems for the tactical battlefield. Tactical Communications Conference, 253(1990).
[49] G Chen, Z Xu, B M Sadler. Experimental demonstration of ultraviolet pulse broadening in short-range non-line-of-sight communication channels. Opt Express, 18, 10500(2010).
[50] K Wang, C Gong, D Zou et al. Demonstration of a 400 kbps real-time non-line-of-sight laser-based ultraviolet communication system over 500 m. Chin Opt Lett, 15, 040602(2017).
[51] L Liao, R J Drost, Z Li et al. Long-distance non-line-of-sight ultraviolet communication channel analysis: experimentation and modelling. IET Optoelectron, 9, 223(2015).
[52] M Würtele, T Kolbe, M Lipsz et al. Application of GaN-based ultraviolet-C light emitting diodes – UV LEDs – for water disinfection. Water Res, 45, 1481(2011).
[53]
[54] H Hirayama. Research status and prospects of deep ultraviolet devices. J Semicond, 40, 120301(2019).
[55] D Barolet. Light-emitting diodes (LEDs) in dermatology. Semin Cutan Med Surg, 27, 227(2008).
[56] A Khan, K Balakrishnan, T Katona. Ultraviolet light-emitting diodes based on group three nitrides. Nat Photonics, 2, 77(2008).
[57] M Kneissl, T Kolbe, C Chua et al. Advances in group III-nitride-based deep UV light-emitting diode technology. Semicond Sci Technol, 26, 014036(2010).
[58] J Li, G Ji, W Yang et al. Emission mechanism of high Al-content AlGaN multiple quantum wells. Chin J Lumin, 37, 513(2016).
[59] T Komine, M Nakagawa. Fundamental analysis for visible-light communication system using LED lights. IEEE Trans Consum Electron, 50, 100(2004).
[60] O Alkhazragi, F Hu, P Zou et al. 2.4-Gbps ultraviolet-C solar-blind communication based on probabilistically shaped DMT modulation. 2020 Optical Fiber Communication Conference, M3I.5(2020).
[61] O Alkhazragi, F Hu, P Zou et al. Gbit/s ultraviolet-C diffuse-line-of-sight communication based on probabilistically shaped DMT and diversity reception. Opt Express, 28, 9111(2020).
[62] Y Yoshida, K Kojima, M Shiraiwa et al. An outdoor evaluation of 1-Gbps optical wireless communication using AlGaN-based LED in 280-nm band. 2019 Conference on Lasers and Electro-Optics (CLEO), 1(2019).
[63] Y Yang, n X H Chen, u B You et al. Design of solar blind ultraviolet LED real-time video transmission system. Infrared Laser Eng, 47, 1022001(2018).
[64] X Sun, Z Zhang, A Chaaban et al. 71-Mbit/s ultraviolet-B LED communication link based on 8-QAM-OFDM modulation. Opt Express, 25, 23267(2017).
[65] H Qin, Y Zuo, F Li et al. Analytical link bandwidth model based square array reception for non-line-of-sight ultraviolet communication. Opt Express, 25, 22693(2017).
[66] Y Xing, M Zhang, D Han et al. Experimental study of a 2 × 2 MIMO scheme for ultraviolet communications. 2016 15th International Conference on Optical Communications and Networks (ICOCN), 1(2016).
[67] P Song, T Zhao, X Ke et al. Multi-user interference in a non-line-of-sight ultraviolet communication network. IET Commun, 10, 1640(2016).
[68] M Zhang, P Luo, X Guo et al. Spread spectrum-based ultraviolet communication with experiments. Chin Opt Lett, 12, 100602(2014).
[69] Q He, Z Xu, B M Sadler. Performance of short-range non-line-of-sight LED-based ultraviolet communication receivers. Opt Express, 18, 12226(2010).
[70] G Chen, F Abou-Galala, Z Xu et al. Experimental evaluation of LED-based solar blind NLOS communication links. Opt Express, 16, 15059(2008).
[71] J W Shi, C C Chen, J K Sheu et al. Linear cascade GaN-based green light-emitting diodes with invariant high-speed/power performance under high-temperature operation. IEEE Photon Technol Lett, 20, 1896(2008).
[72] J W Shi, J K Sheu, C K Wang et al. Linear cascade arrays of GaN-based green light-emitting diodes for high-speed and high-power performance. IEEE Photon Technol Lett, 19, 1368(2007).
[73] J W Shi, J K Sheu, C H Chen et al. High-speed GaN-based green light-emitting diodes with partially n-doped active layers and current-confined apertures. IEEE Electron Device Lett, 29, 158(2008).
[74] J J McKendry, R P Green, A Kelly et al. High-speed visible light communications using individual pixels in a micro light-emitting diode array. IEEE Photon Technol Lett, 22, 1346(2010).
[75] Y Huang, Z Guo, H Huang et al. Influence of current density and capacitance on the bandwidth of VLC LED. IEEE Photon Technol Lett, 30, 773(2018).
[76] S C Zhu, L X Zhao, C Yang et al. GaN-based flip-chip parallel micro LED array for visible light communication. 2017 International Conference on Optoelectronics and Microelectronics Technology and Application, 102441Y(2016).
[77] J J McKendry, D Massoubre, S Zhang et al. Visible-light communications using a CMOS-controlled micro-light-emitting-diode array. J Light Technol, 30, 61(2011).
[78] R X Ferreira, E Xie, J J McKendry et al. High bandwidth GaN-based micro-LEDs for multi-Gb/s visible light communications. IEEE Photon Technol Lett, 28, 2023(2016).
[79] J Bai, Y Cai, P Feng et al. Ultra-small, ultra-compact and ultra-high efficient InGaN micro light emitting diodes (µLEDs) with narrow spectral linewidth. ACS Nano, 14, 6909(2020).
[80] A Rashidi, M Monavarian, A Aragon et al. Nonpolar
[81] N L Ploch, H Rodriguez, C Stolmacker et al. Effective thermal management in ultraviolet light-emitting diodes with micro-LED arrays. IEEE Trans Electron Devices, 60, 782(2013).
[82] J Zhang, S Wu, S Rai et al. AlGaN multiple-quantum-well-based, deep ultraviolet light-emitting diodes with significantly reduced long-wave emission. Appl Phys Lett, 83, 3456(2003).
[83] S Hwang, M Islam, B Zhang et al. A hybrid micro-pixel based deep ultraviolet light-emitting diode lamp. Appl Phys Express, 4, 012102(2010).
[84] S Wu, S Chhajed, L Yan et al. Matrix addressable micro-pixel 280 nm deep UV light-emitting diodes. Jpn J Appl Phys, 45, L352(2006).
[85] V Adivarahan, S Wu, W Sun et al. High-power deep ultraviolet light-emitting diodes basedon a micro-pixel design. Appl Phys Lett, 85, 1838(2004).
[86] V Adivarahan, A Heidari, B Zhang et al. 280 nm deep ultraviolet light emitting diode lamp with an AlGaN multiple quantum well active region. Appl Phys Express, 2, 102101(2009).
[87] W Sun, V Adivarahan, M Shatalov et al. Continuous wave milliwatt power AlGaN light emitting diodes at 280 nm. Jpn J Appl Phys, 43, L1419(2004).
[88] S Wu, V Adivarahan, M Shatalov et al. Micro-pixel design milliwatt power 254 nm emission light emitting diodes. Jpn J Appl Phys, 43, L1035(2004).
[89] S Zhu, S Lin, J Li et al. Influence of quantum confined Stark effect and carrier localization effect on modulation bandwidth for GaN-based LEDs. Appl Phys Lett, 111, 171105(2017).
[90] J Mickevičius, G Tamulaitis, E Kuokštis et al. Well-width-dependent carrier lifetime in AlGaN∕ AlGaN quantum wells. Appl Phys Lett, 90, 131907(2007).
[91] J W Lee, G Ha, J Park et al. AlGaN deep-ultraviolet light-emitting diodes with localized surface plasmon resonance by a high-density array of 40 nm Al nanoparticles. ACS Appl Mater Interfaces, 12, 36339(2020).
[92] C Wang, Y Chiou, C Hsiang et al. Enhancement of optical performance of near-UV nitride-based light emitting diodes with different aluminum composition barrier structure. Phys Status Solidi A, 211, 1769(2014).
[93] R Kajitani, K Kawasaki, M Takeuchi. Barrier-height and well-width dependence of photoluminescence from AlGaN-based quantum well structures for deep-UV emitters. Mater Sci Eng B, 139, 186(2007).
[94] M Guttmann, J Höpfner, C Reich et al. Effect of quantum barrier composition on electro-optical properties of AlGaN-based UVC light emitting diodes. Semicond Sci Technol, 34, 085007(2019).
[95] K Tian, Q Chen, C Chu et al. Investigations on AlGaN-based deep-ultraviolet light-emitting diodes with Si-doped quantum barriers of different doping concentrations. Phys Status Solidi RRL, 12, 1700346(2018).
[96] W Guo, H Xu, Z Yang et al. Performance enhancement of ultraviolet light emitting diode incorporating Al nanohole arrays. Nanotechnology, 29, 45LT01(2018).
[97] K Huang, N Gao, C Wang et al. Top-and bottom-emission-enhanced electroluminescence of deep-UV light-emitting diodes induced by localised surface plasmons. Sci Rep, 4, 4380(2014).
[98] N Gao, K Huang, J Li et al. Surface-plasmon-enhanced deep-UV light emitting diodes based on AlGaN multi-quantum wells. Sci Rep, 2, 816(2012).
[99] S Zhu, J Wang, J Yan et al. Influence of AlGaN electron blocking layer on modulation bandwidth of GaN-based light emitting diodes. ECS Solid State Lett, 3, R11(2014).
[100] O Kharraz, D Forsyth. Performance comparisons between PIN and APD photodetectors for use in optical communication systems. Optik, 124, 1493(2013).
[101]
[102] Y Chen, Z Zhang, H Jiang et al. The optimized growth of AlN templates for back-illuminated AlGaN-based solar-blind ultraviolet photodetectors by MOCVD. J Mater Chem C, 6, 4936(2018).
[103] D M Brown, E T Downey, M Ghezzo et al. Silicon carbide UV photodiodes. IEEE Trans Electron Devices, 40, 325(1993).
[104] Z G Shao, D J Chen, H Lu et al. High-gain AlGaN solar-blind avalanche photodiodes. IEEE Electron Device Lett, 35, 372(2014).
[105] M Higashiwaki, K Sasaki, H Murakami et al. Recent progress in Ga2O3 power devices. Semicond Sci Technol, 31, 034001(2016).
[106] W Li, X Zhang, R Meng et al. Epitaxy of III-nitrides on β-Ga2O3 and its vertical structure LEDs. Micromachines, 10, 322(2019).
[107] S Pearton, J Yang, IV P H Cary et al. A review of Ga2O3 materials, processing, and devices. Appl Phys Rev, 5, 011301(2018).
[108] G Hu, C Shan, N Zhang et al. High gain Ga2O3 solar-blind photodetectors realized via a carrier multiplication process. Opt Express, 23, 13554(2015).
[109] W E Mahmoud. Solar blind avalanche photodetector based on the cation exchange growth of β-Ga2O3/SnO2 bilayer heterostructure thin film. Sol Energy Mater Sol Cells, 152, 65(2016).
[110] X Guo, N Hao, D Guo et al. β-Ga2O3/p-Si heterojunction solar-blind ultraviolet photodetector with enhanced photoelectric responsivity. J Alloys Compd, 660, 136(2016).
[111] B Zhao, F Wang, H Chen et al. Solar-blind avalanche photodetector based on single ZnO–Ga2O3 core–shell microwire. Nano Lett, 15, 3988(2015).
[112] X Du, Z Mei, Z Liu et al. Controlled growth of high-quality ZnO-based films and fabrication of visible-blind and solar-blind ultra-violet detectors. Adv Mater, 21, 4625(2009).
[113] F Alema, B Hertog, O Ledyaev et al. High responsivity solar blind photodetector based on high Mg content MgZnO film grown via pulsed metal organic chemical vapor deposition. Sens Actuator A, 249, 263(2016).
[114] C Lavigne, G Durand, A Roblin. Ultraviolet light propagation under low visibility atmospheric conditions and its application to aircraft landing aid. Appl Opt, 45, 9140(2006).
[115] R Yuan, J Ma. Review of ultraviolet non-line-of-sight communication. China Commun, 13, 63(2016).
[116] A Vavoulas, H G Sandalidis, N D Chatzidiamantis et al. A survey on ultraviolet C-band (UV-C) communications. IEEE Commun Surv Tutor, 21, 2111(2019).
[117] M Razeghi. Deep ultraviolet light-emitting diodes and photodetectors for UV communications. Integrated Optoelectronic Devices, 2005, 30(2005).
[118] J M Li, Z Liu, Z Q Liu et al. Advances and prospects in nitrides based light-emitting-diodes. J Semicond, 37, 061001(2016).
