We have investigated the intensity squeezing bandwidth of sub-Poissonian light generated by a high-speed light-emitting diode. The squeezing bandwidth of a constant-current-driven light-emitting diode is proportional to a driving current in a lower-current regime and approaches a constant in a higher-current regime. This dependence on driving current is well explained by the contributions of the thermionic emission time and the radiative lifetime to the squeezing bandwidth.
© 1997 Optical Society of America
Jun’ichi Abe, Gen Shinozaki, Takuya Hirano, Takahiro Kuga, and Masamichi Yamanishi, "Observation of the collective Coulomb blockade effect in a constant-current-driven high-speed light-emitting diode," J. Opt. Soc. Am. B 14, 1295-1298 (1997)