Spatiotemporal and Thermal Analysis of VCSEL for Short-range Gigabit Optical Links |
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| Authors: | A Gholami Z Toffano A Destrez M Pez F Quentel |
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| Institution: | (1) Telecommunication Department, Supelec (école Supérieure d’électricité), Plateau de Moulon, F-91192 Gif cedex, France;(2) D-Lightsys, Domaine de corbeville, 91404 Orsay Cedex, France |
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| Abstract: | High-speed Optoelectronic Modules using Vertical Cavity Surface Emitting Lasers (VCSEL) coupled to Multi Mode Fibers (MMF)
are a performing and low-cost solution for 10 Gigabit Ethernet (10 GbE) in short-distance optical links. A complete model
of the spatiotemporal behavior of multimode VCSELs, through static and dynamic response, noise, thermal effects, and its coupling
to MMF has been investigated. Relative Intensity Noise shows modal dependence and can be affected by spatial filtering due
to coupling and fiber propagation. Simulations permit to evaluate critical parameters, such as modulation formats, launching
conditions, and operating temperature for global bandwidth and eye diagram optimization up to 10 Gb/s. Simulation results
are compared to measurements on prototype optoelectronic modules. |
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| Keywords: | fiber coupling Gigabit ethernet laser beams optical interconnections thermal modeling VCSEL |
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