Advanced unrepeatered systems using novel Raman amplification schemes

Do-il Chang; Wayne Pelouch; Sergey Burtsev; Philippe Perrier; Herve Fevrier

doi:10.1117/12.2078283

7 February 2015 Advanced unrepeatered systems using novel Raman amplification schemes

Do-il Chang, Wayne Pelouch, Sergey Burtsev, Philippe Perrier, Herve Fevrier

Proceedings Volume 9389, Next-Generation Optical Communication: Components, Sub-Systems, and Systems IV; 93890G (2015) https://doi.org/10.1117/12.2078283
Event: SPIE OPTO, 2015, San Francisco, California, United States

Abstract

Unrepeatered transmission systems provide a cost-effective solution to transmit high capacity channels in submarine networks to communicate between coastal population centers or in terrestrial networks to connect remote areas where service access is difficult. The main goal of unrepeatered systems has traditionally been to achieve the longest reach, however, increasing traffic demands now require unrepeatered systems to support both longer reach and higher transport capacity. As a result, transmission rate of unrepeatered systems has quickly moved from 10 Gb/s to 40 Gb/s or 100 Gb/s. This paper reviews the key basic technologies, with a specific focus on Raman amplification, required for long-reach, high-capacity unrepeatered optical transmission systems. We will discuss novel Raman amplification schemes, enhanced remote optically pumped amplifiers (ROPA), ultra-low loss / large effective area fibers, and coherent transmission with advanced modulation format and high FEC coding gain. We will also report recent experimental demonstrations that show how these technologies have been combined to achieve industry’s leading capacity and reach transmission.

Citation Download Citation

Do-il Chang, Wayne Pelouch, Sergey Burtsev, Philippe Perrier, and Herve Fevrier "Advanced unrepeatered systems using novel Raman amplification schemes", Proc. SPIE 9389, Next-Generation Optical Communication: Components, Sub-Systems, and Systems IV, 93890G (7 February 2015); https://doi.org/10.1117/12.2078283

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