What question did this study set out to answer?

This research aims to show how self-balancing of a cavity soliton can improve dispersive wave properties in laser systems.

February 6, 2026Open Access

Self-balancing of a cavity soliton in the Kerr-induced synchronization regime for efficient carrier envelope detection

Key Points

This research aims to show how self-balancing of a cavity soliton can improve dispersive wave properties in laser systems.
Utilized an external reference pump laser in the Kerr-Induced Synchronization regime.
Controlled dispersive wave parameters by tuning the reference pump frequency.
Measured dispersive wave power and frequency over multiple comb teeth.
Achieved an increase of over 20 dB in dispersive wave power at 780 nm.
Successfully tuned the dispersive wave over three comb teeth with a telecom C-band reference pump.

Abstract

We show that in the Kerr-Induced Synchronization (KIS) regime, an external reference pump laser allows for the control of the opposite (in frequency) Dispersive Wave (DW) power and frequency, through self-balancing of the cavity soliton. We report an increase of more than 20~dB of the DW of an octave-spanning comb at 780 nm, with a reference pump in the telecom C-band, while tuning of the DW over three comb teeth. Our work paves the way for significant improvement of the carrier-envelope offset frequency detection of octave-spanning combs.

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