ISSN:
1077-3118
Source:
AIP Digital Archive
Topics:
Physics
Notes:
We report on the measurement of the small signal gain and index variation of a GaInAsP semiconductor optical amplifier as a function of the injected current in the wavelength range 1.53–1.58 μm. Employing interferometry to evaluate the index changes, we have determined that the linewidth enhancement factor varies from 9 to 4 for photon energies ranging from below to above the band gap, respectively.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.104498