A single-frequency single-resonator laser on erbium-doped lithium niobate on insulator
Optics
2024-06-12 v2
Abstract
Erbium-doped lithium niobate on insulator (Er:LNOI) is a promising platform for photonic integrated circuits as it adds gain to the LNOI system and enables on-chip lasers and amplifiers. A challenge for Er:LNOI laser is to increase its output power while maintaining single-frequency and single (-transverse)-mode operation. In this work, we demonstrate that single-frequency and single-mode operation can be achieved even in a single multi-mode Er:LNOI microring by introducing mode-dependent loss and gain competition. In a single microring with a free spectral range of 192 GHz, we have achieved single-mode lasing with an output power of 2.1 microwatt, a side-mode suppression of 35.5 dB, and a linewidth of 1.27 MHz.
Keywords
Cite
@article{arxiv.2106.11666,
title = {A single-frequency single-resonator laser on erbium-doped lithium niobate on insulator},
author = {Tieying Li and Kan Wu and Minglu Cai and Zeyu Xiao and Hongyi Zhang and Chao Li and Junmin Xiang and Yi Huang and Jianping Chen},
journal= {arXiv preprint arXiv:2106.11666},
year = {2024}
}