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Gotowe bibliografie tematyczne / Optical spatial modulation

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Gotowa bibliografia na temat „Optical spatial modulation”

Autor: Grafiati

Data publikacji: 6 września 2023

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Artykuły w czasopismach na temat "Optical spatial modulation"

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Chao Liu, Chao Liu, Di Wang Di Wang, Lixiao Yao Lixiao Yao, Lei Li Lei Li, and Qionghua Wang Qionghua Wang. "Optical attenuator based on phase modulation of a spatial light modulator." Chinese Optics Letters 13, no. 8 (2015): 082301–82304. http://dx.doi.org/10.3788/col201513.082301.

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Mesleh, Raed, Hany Elgala, and Harald Haas. "Optical Spatial Modulation." Journal of Optical Communications and Networking 3, no. 3 (2011): 234. http://dx.doi.org/10.1364/jocn.3.000234.

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Cogalan, T., H. Haas, and E. Panayirci. "Optical spatial modulation design." Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 378, no. 2169 (2020): 20190195. http://dx.doi.org/10.1098/rsta.2019.0195.

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Visible light communication (VLC) systems are inherently signal-to-noise ratio (SNR) limited due to link budget constraints. One favourable method to overcome this limitation is to focus on the pre-log factors of the channel capacity. Multiple-input multiple-output (MIMO) techniques are therefore a promising avenue of research. However, inter-channel interference in MIMO limits the achievable capacity. Spatial modulation (SM) avoids this limitation. Furthermore, the performance of MIMO systems in VLC is limited by the similarities among spatial channels. This limitation becomes particularly severe in intensity modulation/direct detection (IM/DD) systems because of the lack of phase information. The motivation of this paper is to propose a system that results in a multi-channel transmission system that enables reliable multi-user optical MIMO SM transmission without the need for a precoder, power allocation algorithm or additional optics at the receiver. A general bit error performance model for the SM system is developed for an arbitrary number of light-emitting diodes (LEDs) in conjunction with pulse amplitude modulation. Based on this model, an LED array structure is designed to result in spatially separated multiple channels by manipulating the transmitter geometry. This article is part of the theme issue ‘Optical wireless communication’.

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Yesilkaya, Anil, Rui Bian, Iman Tavakkolnia, and Harald Haas. "OFDM-Based Optical Spatial Modulation." IEEE Journal of Selected Topics in Signal Processing 13, no. 6 (2019): 1433–44. http://dx.doi.org/10.1109/jstsp.2019.2920577.

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Pelekanos, N. T., B. Deveaud, J. M. Gérard, et al. "All-optical spatial light modulator with megahertz modulation rates." Optics Letters 20, no. 20 (1995): 2099. http://dx.doi.org/10.1364/ol.20.002099.

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Zhang Yue, 张悦, 王惠琴 Wang Huiqin, 曹明华 Cao Minghua, and 黄瑞 Huang Rui. "Enhanced Optical Spatial Modulation in Wireless Optical Communication." Acta Optica Sinica 40, no. 3 (2020): 0306001. http://dx.doi.org/10.3788/aos202040.0306001.

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Michinel, Humberto, Raúl de la Fuente, and Jesús Liñares. "Temporal modulation of spatial optical solitons." Applied Optics 33, no. 16 (1994): 3384. http://dx.doi.org/10.1364/ao.33.003384.

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Anderson, Betty Lise, and Lawrence J. Pelz. "Spatial-coherence modulation for optical interconnections." Applied Optics 34, no. 32 (1995): 7443. http://dx.doi.org/10.1364/ao.34.007443.

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Goncharov, D. S., N. N. Evtikhiev, V. V. Krasnov, N. M. Ponomarev, and R. S. Starikov. "The influence of additional phase modulation of an amplitude liquid crystal STLM on the image recognition characteristics in the invariant optical digital correlator." Computer Optics 43, no. 2 (2019): 200–208. http://dx.doi.org/10.18287/2412-6179-2019-43-2-200-208.

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We present the results of measurements of additional phase modulation characteristics of a serial amplitude liquid crystal spatial light modulator HoloEye LC 2002. It is found in which way the phase shift of the liquid crystal spatial light modulator depends on the applied signal. The mathematical simulation of the performance of an invariant diffractive optical-digital correlator based on a liquid crystal spatial light modulator with the amplitude-dependent phase shift is carried out using previously measured data. The correlation filters used in the work are an optimal tradeoff maximum average correlation height filter and a minimum noise and correlation energy optical correlation filter. A method for correlation filters optimization was proposed to compensate for the recognition error caused by the presence of the additional phase modulation. In some cases, the optimization allows one not only to compensate for the recognition error, but also to reduce it.

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Ochi, Seiga, Kouta Ozaki, Kohei Noda, Heeyoung Lee, Kentaro Nakamura, and Yosuke Mizuno. "Guideline for improving spatial resolution in direct-modulation Brillouin optical correlation-domain reflectometry." Japanese Journal of Applied Physics 62, no. 8 (2023): 088001. http://dx.doi.org/10.35848/1347-4065/aceb44.

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Abstract We investigate the spatial resolution of direct-modulation Brillouin optical correlation-domain reflectometry (BOCDR) by exploring the impact of modulation amplitude and frequency. Our findings reveal that optimal resolution improvement is attained through an initial increase in modulation amplitude, followed by modulation frequency adjustment. These insights provide a basic guideline for enhancing the spatial resolution in direct-modulation BOCDR.

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