Journal
NANO LETTERS
Volume 17, Issue 10, Pages 5990-5994Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.nanolett.7b02178
Keywords
Nanowire lasers; nanowire coupling photonic integration; nanophotonics
Categories
Funding
- Australian Research Council
- UK EPSRC
- Engineering and Physical Sciences Research Council [1688115, 1688106, 1456968] Funding Source: researchfish
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Nanowire lasers are integrated with planar waveguide devices using a high positional accuracy microtransfer printing technique. Direct nanowire to waveguide coupling is demonstrated, with coupling losses as low as -17 dB, dominated by mode mismatch between the structures. Coupling is achieved using both end-fire coupling into a waveguide facet, and from nanowire lasers printed directly onto the top surface of the waveguide. In-waveguide peak powers up to 11.8 mu W are demonstrated. Basic photonic integrated circuit functions such as power splitting and wavelength multiplexing are presented. Finally, devices are fabricated on a mechanically flexible substrate to demonstrate robust coupling between the on-chip laser source and waveguides under significant deformation of the system.
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