Optical crosstalk in monolithically-integrated multiple-wavelengthvertical-cavity laser arrays for multimode WDM local-area networks
- 2 April 1998
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 34 (7) , 676-678
- https://doi.org/10.1049/el:19980498
Abstract
The optical crosstalk between lasers in densely-packed multiple-wavelength vertical-cavity photonic integrated emitter arrays is studied for multimode wavelength-division multiplexing applications. It is found that a significant number of photocarriers are generated by spontaneous emission of an adjacent laser. However, an appropriate prebiasing scheme or device design can reduce the crosstalk to < –20 dB.Keywords
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