Integration of an InGaAs Quantum-Dot Laser with a Low-Loss Passive Waveguide using Selective-Area Epitaxy
An InGaAs quantum-dot (QD) laser integrated with a low- losswaveguideisdemonstrated. Selective-areaepitaxy isusedto simultaneously form the QDs that form the active region of the laser and quantum wells (QWs) that form the waveguide section of the integrated devices.Thelosses in the activeand passive sections of the integrated devices are 6 and 3 cm-1, respectively. Very low losses in the waveguide section are due to a large difference of 200 meV in the bandgap energies of the selectively grown...[Show more]
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|Source:||IEEE Photonics Technology Letters|
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