Journal
NANO LETTERS
Volume 10, Issue 9, Pages 3675-3678Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nl102149y
Keywords
Nanophotonics; laser; silicon; conjugated polymer; subwavelength high-contrast grating
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Funding
- European project OLAS [IST-FP6-015034]
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A planar nanophotonic Fabry-Perot-like resonator that can defy strong absorption of about 20 000 cm(-1) in the cavity material is demonstrated. Visible laser emission is observed from two silicon subwavelength-sized high index contrast gratings with embedded polymer gain material. The size of the laser is reduced by an order of magnitude compared to established designs based on photonic bandgap structures. As silicon constitutes the most common carrier For electronics, the cost-efficient integration of compact laser sources for visible wavelengths comes within reach.
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