Robust coherent FSO using ultrashort pulses

被引：0

作者：

Wohlgemuth, Eyal ^{[1
]}

Lesnik, Roi ^{[2
]}

Cohen, Roi ^{[2
]}

Attia, Ido ^{[1
,2
]}

Emaury, Florian ^{[3
]}

Michel, Thibault ^{[4
]}

Jacques-Sermet, Olivier ^{[4
]}

Jian, Pu ^{[4
]}

Vered, Ran ^{[5
]}

Sadot, Dan ^{[1
,2
]}

机构：

[1] CyberRidge Ltd, Azrieli Sarona Towe,121 Menachem Begin Rd, Tel Aviv, Israel

[2] Ben Gurion Univ Negev, Beer Sheva, Israel

[3] Menhir Photon AG, Industriestr 42, CH-8152 Opfikon, Switzerland

[4] Cailabs 1 Rue Nicolas Joseph Cugnot, F-35000 Rennes, France

[5] Civan Adv Technol Ltd, 64 Kanfei Nesharim St, IL-9546455 Jerusalem, Israel

来源：

2024 24TH INTERNATIONAL CONFERENCE ON TRANSPARENT OPTICAL NETWORKS, ICTON 2024 | 2024年

关键词：

Free-space optics; feeder links; fading channels; ultra-short pulses; coherent detection;

D O I：

10.1109/ICTON62926.2024.10647266

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In free-space optical (FSO) feeder links, atmospheric turbulence causes fluctuations that significantly degrade link performance. We present a novel communication technique aimed at mitigating turbulence-induced intensity fluctuations and phase distortions, while enabling the use of dual-polarization high-order coherent modulation schemes. The technique involves transmitting ultra-short pulses through a turbulent atmosphere using a detection scheme known as a dynamic coherent all-optical matched filter. Simulation and experiments have demonstrated proof of concept, showing a dramatic improvement of more than 8.5 dB in the link budget.

引用

页数：4

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