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Integration of 1.3- \mu{\rm m} Quantum-Dot Lasers With {\rm Si}_{3}{\rm N}_{4} Waveguides for Single Mode Optical Interconnects

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4 Author(s)
Chi-Sen Lee ; Center for Nanoscale Photonics and Spintronics, Department of Electrical Engineering and Computer Science, University of Michigan, Ann Arbor, MI, USA ; Thomas Frost ; Wei Guo ; Pallab Bhattacharya

A single mode photonic integrated circuit, consisting of a monolithically integrated quantum-dot laser and a suitably designed {\rm Si}_{3}{\rm N}_{4} waveguide, is demonstrated. The 1.3- \mu{\rm m} quantum-dot laser incorporates a superlattice barrier, p-doping, and tunnel injection in the active region, demonstrating operation up to 85 ^{\circ}{\rm C} with excellent temperature stability (high {\rm T}_{0} ). The two devices are optimally groove coupled to minimize the losses. Integration of the tapered waveguide with a quantum-dot cross laser is also demonstrated.

Published in:

IEEE Journal of Quantum Electronics  (Volume:48 ,  Issue: 10 )