Nanolasers based on high-quality factor plasmonic resonators (Conference Presentation)

Amit Agrawal; Wenqi Zhu; Henri J. Lezec; Shawn Divitt; Ting Xu

doi:10.1117/12.2274270

25 September 2017 Nanolasers based on high-quality factor plasmonic resonators (Conference Presentation)

Amit Agrawal, Wenqi Zhu, Henri J. Lezec, Shawn Divitt, Ting Xu

Proceedings Volume 10345, Active Photonic Platforms IX; 103450H (2017) https://doi.org/10.1117/12.2274270
Event: SPIE Nanoscience + Engineering, 2017, San Diego, California, United States

Abstract

We demonstrate novel plasmon resonator geometries consisting of ultra-smooth metal surfaces that support surface plasmon polariton modes exhibiting record-high quality factors in the visible frequency range. The resonators are utilized to achieve record narrow-linewidth, low-threshold surface-plasmon-polariton lasing at optical frequencies, as well as exhibit high figure-of-merit sensing. The lasing threshold of the plasmon-laser was further minimized by leveraging grating-coupled plasmons to pump the lasing-plasmons with strong spatial overlap and minimum perturbation. The results predict potential applications in small-volume optical sensing or energy-efficient coherent on-chip optical sources.

Conference Presentation

Citation Download Citation

Amit Agrawal, Wenqi Zhu, Henri J. Lezec, Shawn Divitt, and Ting Xu "Nanolasers based on high-quality factor plasmonic resonators (Conference Presentation)", Proc. SPIE 10345, Active Photonic Platforms IX, 103450H (25 September 2017); https://doi.org/10.1117/12.2274270

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