Lasing in planar semiconductor diodes
Giorgio De Simoni, Lukas Mahler, Vincenzo Piazza, Alessandro, Tredicucci, Christine A. Nicoll, Harvey E. Beere, David A. Ritchie, and Fabio, Beltram
TL;DR
This paper introduces a simple fabrication method for planar semiconductor laser diodes that achieve around 1 GHz modulation bandwidth, with potential for further speed enhancements.
Contribution
It demonstrates a novel, easily fabricated planar laser diode design compatible with standard lithography, achieving high modulation bandwidth in a straightforward implementation.
Findings
Achieved ~1 GHz -3dB modulation bandwidth in prototype
Compatible with standard semiconductor lithography
Discussed pathways for increasing laser speed
Abstract
We present a planar laser diode based on a simple fabrication scheme compatible with virtually any geometry accessible by standard semiconductor lithography technique. We show that our lasers exhibit ~1 GHz -3dB-modulation-bandwidth already in this prototypical implementation. Directions for a significant speed increase are discussed.
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