Photonic crystal laser based on Fano interference allows for ultrafast frequency modulation in the THz range

Thorsten S. Rasmussen; Yi Yu; Jesper Mørk

doi:10.1117/12.2506236

1 March 2019 Photonic crystal laser based on Fano interference allows for ultrafast frequency modulation in the THz range

Thorsten S. Rasmussen, Yi Yu, Jesper Mørk

Author Affiliations +

Proceedings Volume 10939, Novel In-Plane Semiconductor Lasers XVIII; 109390A (2019) https://doi.org/10.1117/12.2506236
Event: SPIE OPTO, 2019, San Francisco, California, United States

Abstract

Replacing a conventional mirror in a photonic crystal laser by one based on Fano interference leads to rich laser dynamics, including realization of stable self-pulsing and potential for ultra-fast modulation. In particular, the narrowband Fano mirror guarantees single-mode operation and significantly alters the modulation response compared to Fabry-Perot lasers. In this work the small-signal response is analyzed using a dynamical model based on coupled-mode theory and rate equations, which shows how the 3-dB bandwidth of the frequency modulation response may exceed tens of THz, orders of magnitude larger than for conventional semiconductor lasers.

Conference Presentation

Citation Download Citation

Thorsten S. Rasmussen, Yi Yu, and Jesper Mørk "Photonic crystal laser based on Fano interference allows for ultrafast frequency modulation in the THz range", Proc. SPIE 10939, Novel In-Plane Semiconductor Lasers XVIII, 109390A (1 March 2019); https://doi.org/10.1117/12.2506236

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