Micro-resonator soliton generated directly with a diode laser
Nicolas Volet, Xu Yi, Qi-Fan Yang, Eric J. Stanton, Paul A. Morton, Ki, Youl Yang, Kerry J. Vahala, and John E. Bowers
TL;DR
This paper demonstrates a simplified method for generating micro-resonator solitons directly using an external-cavity diode laser, eliminating the need for modulators or amplifiers, advancing integrated optical frequency comb technology.
Contribution
It introduces a novel approach to generate single-soliton states in micro-resonators using a high-power, ultralow noise diode laser without additional optical components.
Findings
Successful generation of single-soliton states in silica micro-resonators
Elimination of optical modulators and amplifiers in the setup
Potential for fully integrated soliton comb systems
Abstract
An external-cavity diode laser is reported with ultralow noise, high power coupled to a fiber, and fast tunability. These characteristics enable the generation of an optical frequency comb in a silica micro-resonator with a single-soliton state. Neither an optical modulator nor an amplifier was used in the experiment. This demonstration greatly simplifies the soliton generation setup and represents a significant step forward to a fully integrated soliton comb system.
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