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Octave-spanning Kerr soliton frequency combs in dispersion- and dissipation-engineered lithium niobate microresonators by Song, Yunxiang; Hu, Yaowen; Zhu, Xinrui; Yang, Kiyoul; Loncar, Marko is a scholarly article available to read on EtoBox.

What is Octave-spanning Kerr soliton frequency combs in dispersion- and dissipation-engineered lithium niobate microresonators about?

Dissipative Kerr solitons from optical microresonators, commonly referred to as soliton microcombs, have been developed for a broad range of applications, including precision measurement, optical frequency synthesis, and ultra-stable microwave and millimeter wave generation, all on a chip. An important goal for microcombs is self referencing, which requires octave-spanning bandwidths to detect and stabilize the comb carrier envelope offset frequency. Further, detection and locking of the comb spacings are often achieved using frequency division by electro-optic modulation. The thin-film lithium niobate photonic platform, with its low loss, strong second- and third-order nonlinearity, as well as large Pockels effect, is ideally suited for these tasks. However, octave-spanning soliton microcombs are challenging to demonstrate on this platform, largely complicated by strong Raman effects hindering reliable fabrication of soliton devices. Here, we demonstrate entirely connected and octave-spanning soliton microcombs on thin-film lithium niobate. With appropriate control over microresonator free spectral range and dissipation spectrum, we show that soliton-inhibiting Raman effects are s

Author

Song, Yunxiang; Hu, Yaowen; Zhu, Xinrui; Yang, Kiyoul; Loncar, Marko

Published

2024

Language

EN