Heterogeneously Integrated Distributed Feedback Quantum Cascade Lasers on Silicon
AbstractSilicon integration of mid-infrared (MIR) photonic devices promises to enable low-cost, compact sensing and detection capabilities that are compatible with existing silicon photonic and silicon electronic technologies. Heterogeneous integration by bonding III-V wafers to silicon waveguides has been employed previously to build integrated diode lasers for wavelengths from 1310 to 2010 nm. Recently, Fabry-Pérot Quantum Cascade Lasers integrated on silicon provided a 4800 nm light source for mid-infrared (MIR) silicon photonic applications. Distributed feedback (DFB) lasers are appealing for many high-sensitivity chemical spectroscopic sensing applications that require a single frequency, narrow-linewidth MIR source. While heterogeneously integrated 1550 nm DFB lasers have been demonstrated by introducing a shallow surface grating on a silicon waveguide within the active region, no mid-infrared DFB laser on silicon has been reported to date. Here we demonstrate quantum cascade DFB lasers heterogeneously integrated with silicon-on-nitride-on-insulator (SONOI) waveguides. These lasers emit over 200 mW of pulsed power at room temperature and operate up to 100 °C. Although the output is not single mode, the DFB grating nonetheless imposes wavelength selectivity with 22 nm of thermal tuning. View Full-Text
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Spott, A.; Peters, J.; Davenport, M.L.; Stanton, E.J.; Zhang, C.; Merritt, C.D.; Bewley, W.W.; Vurgaftman, I.; Kim, C.S.; Meyer, J.R.; Kirch, J.; Mawst, L.J.; Botez, D.; Bowers, J.E. Heterogeneously Integrated Distributed Feedback Quantum Cascade Lasers on Silicon. Photonics 2016, 3, 35.
Spott A, Peters J, Davenport ML, Stanton EJ, Zhang C, Merritt CD, Bewley WW, Vurgaftman I, Kim CS, Meyer JR, Kirch J, Mawst LJ, Botez D, Bowers JE. Heterogeneously Integrated Distributed Feedback Quantum Cascade Lasers on Silicon. Photonics. 2016; 3(2):35.Chicago/Turabian Style
Spott, Alexander; Peters, Jon; Davenport, Michael L.; Stanton, Eric J.; Zhang, Chong; Merritt, Charles D.; Bewley, William W.; Vurgaftman, Igor; Kim, Chul S.; Meyer, Jerry R.; Kirch, Jeremy; Mawst, Luke J.; Botez, Dan; Bowers, John E. 2016. "Heterogeneously Integrated Distributed Feedback Quantum Cascade Lasers on Silicon." Photonics 3, no. 2: 35.