Energy-efficiency of the fiber-optic links based on C-range wafer-fused MBE-grown VCSELs
Kovach Ya. N.
1,2, Blokhin S. A.
2, Bobrov M. A.
2, Blokhin A. A.
2, Maleev N. A.
2, Kopytov P. E.
1, Papylev D. S.
1, Andryushkin V. V.
1, Kolodeznyi E. S.
1, Babichev A. V.
1, Gladyshev A. G.
1, Novikov I. I.
1, Karachinsky L. Ya.
1, Egorov A. Yu.
1, Sapunov G. A.
3, Tian S.-C.
3,4, Bimberg D.
3,41ITMO University, St. Petersburg, Russia
2Ioffe Institute, St. Petersburg, Russia
3Bimberg Chinese-German Center for Green Photonics, Changchun Institute of Optics, Fine Mechanics and Physics, Changchun, China
4Center of Nanophotonics, Institute of Physics and Astronomy, Technical University of Berlin, Berlin, Germany
Email: j-n-kovach@itmo.ru, blokh@mail.ioffe.ru, bma@mail.ioffe.ru, aleksey.blokhin@mail.ioffe.ru, Maleev@beam.ioffe.ru, vvandriushkin@itmo.ru, evgenii_kolodeznyi@corp.ifmo.ru, andrey.babichev@connector-optics.com, andrey.gladyshev@connector-optics.com, Innokenty.Novikov@connector-optics.com, leonid.karachinsky@connector-optics.com, anton@beam.ioffe.ru
The results of studies on the energy efficiency of fiber-optic communication links based on standard single-mode optical fiber ITU-T G.652.D and vertical-cavity surface-emitting lasers in the 1550 nm spectral range, fabricated by wafer fusion and molecular-beam epitaxy, are presented. The fundamental feasibility of reducing the consumed energy per transmitted bit (energy-efficiency), normalized to the communication link length, below 100 fJ/(bit·km) for data transmission at a rate of 10 Gbps over a 10 km fiber-optic link is demonstrated. Further improvement in energy efficiency is constrained by the bandwidth of the fiber-optic communication channel, which is limited by the interaction between the chromatic dispersion of the optical fiber and the dynamic spectral linewidth broadening of the vertical-cavity surface-emitting laser. Keywords: VCSEL, energy-efficiency, fiber-optic channel.
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