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Turbulence-Resistant All Optical Relaying Based on Few-Mode EDFA in Free-Space Optical Systems [article]

Shanyong Cai, Zhiguo Zhang, Xue Chen
2018 arXiv   pre-print
A dual-hop free space optical communication model based on the relay with two-mode EDFA is derived. The BER performance is numerically calculated.  ...  We investigate the communication performance of a few-mode EDFA based all-optical relaying system for atmospheric channels in this paper.  ...  Moreover, FM-EDFAs which could receive and amplify several spatial modes simultaneously have been used in preamplified receiver in FSO system at ECOC'17 to resist turbulence [22] .  ... 
arXiv:1812.10083v1 fatcat:qduxlymn5rh27dn4sks65qeuhu

Development of an ASIC preamplifier for electromagnetic sensor probes for monitoring space electromagnetic environments

Mitsunori Ozaki, Satoshi Yagitani, Hirotsugu Kojima, Ken Takahashi, Hiroki Koji, Takahiro Zushi, Yuya Tokunaga
2016 Earth, Planets and Space  
The success in developing the high robustness ASIC preamplifier leads to a future mission using a lot of palm-sized probes in space.  ...  Multipoint observations of plasma waves are essential for separating spatial and temporal variations of a plasma turbulence.  ...  Received: 1 October 2015 Accepted: 10 May 2016  ... 
doi:10.1186/s40623-016-0470-9 fatcat:vi54edjowfclpk5z7q26dggo6u

Analysis of Free-Space Optics Development

Janusz Mikołajczyk, Zbigniew Bielecki, Maciej Bugajski, Józef Piotrowski, Jacek Wojtas, Waldemar Gawron, Dariusz Szabra, Artur Prokopiuk
2017 Metrology and Measurement Systems  
The article presents state of work in technology of free-space optical communications (Free Space Optics − FSO).  ...  Both commercially available optical data links and their further development are described. The main elements and operation limiting factors of FSO systems have been identified.  ...  Free Space Optics In general, an FSO link consists of an optical signal transmitter and a receiver.  ... 
doi:10.1515/mms-2017-0060 fatcat:j4ekcspzqjc77lgej27q55gwzy

Decibels versus dollars: long-range atmospheric optical communications on a tight budget

Christopher Long, Michael Groth, Clinton Turner, Olga Korotkova
2008 Atmospheric Propagation of Electromagnetic Waves II  
While the use of larger transmitter and receiver lenses increases optical flux at the detector, their greatest advantage is in dramatically reducing the depth of the scintillation or rapid signal fading  ...  communications.  ...  on a free-space (unguided) optical system [ Fig. 3 ] with non-coherent sources is: ΦR ≈ GT • AT • AR • L (ref 18 ) S 2 Where: ΦR is the received power.  ... 
doi:10.1117/12.768227 fatcat:uifxmhpzhvffdlriqa7xq7brsq

Laser communication transmitter and receiver design [chapter]

David O. Caplan
2007 Free-Space Laser Communications  
Free-space laser communication systems have the potential to provide flexible, high-speed connectivity suitable for long-haul intersatellite and deep-space links.  ...  While spectral efficiency has long been a key design parameter in the telecommunications industry, the many THz of excess channel bandwidth in the optical regime can be used to improve receiver sensitivities  ...  Free-space laser communication performance directly depends on the efficiency and sensitivity of optical transmitters and receivers.  ... 
doi:10.1007/978-0-387-28677-8_4 fatcat:qwucmajr3bg4rghyabdfrv7f2i

Laser communication transmitter and receiver design

David O. Caplan
2007 Journal of Optical and Fiber Communications Reports  
Free-space laser communication systems have the potential to provide flexible, high-speed connectivity suitable for long-haul intersatellite and deep-space links.  ...  While spectral efficiency has long been a key design parameter in the telecommunications industry, the many THz of excess channel bandwidth in the optical regime can be used to improve receiver sensitivities  ...  Free-space laser communication performance directly depends on the efficiency and sensitivity of optical transmitters and receivers.  ... 
doi:10.1007/s10297-006-0079-z fatcat:w6pa3ddxeneybalrw4h7zwgcsq

Space Optical Links for Communication Networks [chapter]

Alberto Carrasco-Casado, Ramon Mata-Calvo
2020 Springer Handbooks  
Free-space optical communication has finally emerged as a key technology for solving the increasing bandwidth limitations for space communication while reducing the size, weight and power of satellite  ...  communication systems, and taking advantage of a license-free spectrum.  ...  In addition, the simplicity of OOK receivers allows using a multi-mode fiber to couple the received signal into, which is relatively insensitive to atmospheric turbulence, as opposed to single-mode fibers  ... 
doi:10.1007/978-3-030-16250-4_34 fatcat:fw7pidjeszhzrhog2dt6gguyaq

Free-space optical communications link at 1550 nm using multiple-quantum-well modulating retroreflectors in a marine environment

W. S. Rabinovich
2005 Optical Engineering: The Journal of SPIE  
A 1550-nm eye-safe, free-space optical communications link is demonstrated at rates up to 5 Mbits/s over a distance of 2 km in the Chesapeake Bay, using quantum-well-based modulating retroreflectors.  ...  Free-space optical communications link at 1550 nm using multiple-quantum-well modulating retroreflectors in a marine environment 1. REPORT DATE 2005 2. REPORT TYPE 3.  ...  One of the objectives of this series of free-space communication tests was to assess the feasibility of transmitting real-time video signals in the presence of atmospheric turbulence.  ... 
doi:10.1117/1.1906230 fatcat:y6cje3xpfzaxnmjy3w4be36t74

Ergodic Capacity of Triple-Hop All-Optical Amplify-and-Forward Relaying over Free-Space Optical Channels [article]

Mohsen Naseri, Mohammad Taghi Dabiri, Seyed Mohammad Sajad Sadough
2018 arXiv   pre-print
In this paper, we propose a comprehensive research over triple hop all-optical relaying free-space optical (FSO) systems in the presence of all main noise sources including background, thermal and amplified  ...  Using full CSI relaying, we derive the exact expressions for the noise variance at the destination.  ...  INTRODUCTION The rapidly increasing need of very high data rate communications made free space optical (FSO) communication very popular during the past few years.  ... 
arXiv:1810.02171v1 fatcat:kc6j3ijgxzdvlhonw5f6ckpgee

Analog FM free-space optical communication based on a mid-infrared quantum cascade laser frequency comb [article]

Nicola Corrias, Tecla Gabbrielli, Paolo De Natale, Luigi Consolino, Francesco Cappelli
2021 arXiv   pre-print
Here their applicability for free-space optical communication is demonstrated.  ...  Exploiting the atmospheric transparency window at 4 μm, an optical communication with a signal-to-noise ratio up to 65 dB is realized, with a modulation bandwidth of 300 kHz.  ...  Acknowledgements The authors gratefully thank Mauro Giuntini and Roberto Concas for useful discussions.  ... 
arXiv:2109.09465v1 fatcat:2d2r5ll2hjgphhkpibaibjetvi

Optical satellite networks

V.W.S. Chan
2005 OFC/NFOEC Technical Digest. Optical Fiber Communication Conference, 2005.  
Index Terms-Optical space communications, satellite communications, satellite networks.  ...  With high-speed space optical crosslink being a reality, the construction of an optical satellite network as part of a larger integrated space-terrestrial network is now feasible.  ...  One interesting property space optical communications has is that the power attenuation due to free-space diffraction loss is only inversely proportional to the square of the link distance, whereas optical  ... 
doi:10.1109/ofc.2005.192649 fatcat:3wwdqrqirve2hbslbqjoqpib7e

Optical satellite networks

V.W.S. Chan
2003 Journal of Lightwave Technology  
Index Terms-Optical space communications, satellite communications, satellite networks.  ...  With high-speed space optical crosslink being a reality, the construction of an optical satellite network as part of a larger integrated space-terrestrial network is now feasible.  ...  One interesting property space optical communications has is that the power attenuation due to free-space diffraction loss is only inversely proportional to the square of the link distance, whereas optical  ... 
doi:10.1109/jlt.2003.819534 fatcat:cmtz2umuz5bnti4h6yfpuqgjyy

Spatial-Mode Diversity and Multiplexing for FSO Communication With Direct Detection

Shenjie Huang, Gilda Raoof Mehrpoor, Majid Safari
2018 IEEE Transactions on Communications  
This work investigates spatial-mode multiplexing (SMM) for practical free-space optical communication (FSO) systems using direct detection.  ...  It is demonstrated that mode diversity can significantly improve the outage probability and the outage achievable rate performance of the multiplexed channels in SMM FSO systems degraded by turbulence.  ...  INTRODUCTION Spatial-mode multiplexing (SMM) in free space optical communications (FSO) is the counterpart of the mode-division multiplexing (MDM) in fibre optics that has recently attracted more attention  ... 
doi:10.1109/tcomm.2018.2795616 fatcat:aszeugknezefvcu46bpuvie2fq

Experimental performance evaluation of non-line-of-sight ultraviolet communication systems

Zhengyuan Xu, Gang Chen, Feras Abou-Galala, Michael Leonardi, Arun K. Majumdar, Christopher C. Davis
2007 Free-Space Laser Communications VII  
The tradeoffs among communication range, received number of photons, and bit-error-rate are revealed via field measurement results.  ...  , up to an order of magnitude increase in the received number of photons in some cases, thus significantly improving link performance.  ...  Case (a) requires minimum transmitter and receiver positioning in a fully NLOS mode.  ... 
doi:10.1117/12.735183 fatcat:znarugouizda3fznwt7bbb4da4

Review of superconducting nanowire single-photon detector system design options and demonstrated performance

Eric A. Dauler, Matthew E. Grein, Andrew J. Kerman, Francesco Marsili, Shigehito Miki, Sae Woo Nam, Matthew D. Shaw, Hirotaka Terai, Varun B. Verma, Taro Yamashita
2014 Optical Engineering: The Journal of SPIE  
Optical interfaces to the detectors have been based on fiber coupling, either directly to the detector or through the substrate, using both single-mode and multimode fibers with different approaches to  ...  The advantages and tradeoffs of various approaches to efficient optical coupling, electrical readout, and SNSPD design are described and contrasted.  ...  Using small optics provides considerable flexibility in optimizing the optical arrangement to demagnify the light from an SMF, multimode fiber, or a free-space optical beam.  ... 
doi:10.1117/1.oe.53.8.081907 fatcat:ytkurmzwzvbx3bj2eyivcab4pu
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