Hertz-linewidth, high-power, frequency-agile photonic integrated E-DBR laser

Tobias Kippenberg, Anat Siddharth, Zheru Qiu
2024

Abstract

We demonstrate hybrid integration of an RSOA with an extended-distributed Bragg reflector (E-DBR) laser cavity implemented on a Si3N4 chip with monolithically integrated piezoactuators. The laser exhibits intrinsic linewidth of 4 Hz with laser frequency tuning over 1.0 GHz at up to 1 MHz triangular chirp rate.

Official source

https://infoscience.epfl.ch/entities/publication/ca1ecce5-ee13-44d8-b3c0-98002c205325

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