Proton implanted VCSEL's for 3 Gb/s data links
- 1 October 1995
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Photonics Technology Letters
- Vol. 7 (10) , 1116-1118
- https://doi.org/10.1109/68.466561
Abstract
Transverse single-mode and multimode intensity modulated butt-coupled InGaAs vertical cavity surface emitting lasers (VCSEL)s are investigated as a light source for optical fiber communication systems. Data transmission at 3 Gb/s with a bit error rate (BER) of less than 10/sup -11/ is reported for both 4.3 km of standard fiber, as well as 0.5 km of multimode graded-index fiber, 10-/spl mu/m active diameter single-mode VCSELs are shown to have lower mode competition noise requiring 3 dB and 6 dB less power at the front end receiver at a BER of 10/sup -11/ compared to 19-/spl mu/m and 50-/spl mu/m active diameter devices, respectively. In data transmission with multimode VCSELs, the dispersion penalty is lower than for single-mode sources since the noise at the receiver is mainly determined by transmitter-mode competition noise.Keywords
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