Related Experiment Video
Updated: Mar 13, 2026
07:42
Rapid Repetition Rate Fluctuation Measurement of Soliton Crystals in a Microresonator
Published on: December 15, 2021
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Multicolor interband solitons in microcombs
Qing-Xin Ji1, Hanfei Hou1, Jinhao Ge1
1T. J. Watson Laboratory of Applied Physics, California Institute of Technology, Pasadena, CA, USA.
Light, Science & Applications
|March 12, 2026
Summary
Researchers observed multicolor pulses generated from a single optical pump. This phenomenon, related to multicolor solitons, utilizes interband coupling in compound resonators for potential phase-locked pulse generation.
Area of Science:
- Nonlinear optics
- Optical microcavities
- Soliton physics
Background:
- Solitons in microcombs can induce optical gain in non-soliton modes.
- Theoretical models propose Kerr-induced interactions can form multicolor solitons with phase-locked pulses.
- Conventional microresonators lack the necessary dispersion conditions for this phenomenon.
Purpose of the Study:
- To experimentally observe multicolor pulses generated from a single optical pump.
- To investigate a phenomenon closely related to multicolor solitons.
- To explore the generation of potentially phase-locked pulses using interband coupling.
Main Methods:
- Utilizing interband coupling in a compound optical resonator.
- Employing a single optical pump to generate secondary temporal pulses.
- Experimental observation of multicolor pulse generation.
Main Results:
- Successfully generated multicolor pulses from a single optical pump.
- Observed pulses that share the same repetition rate.
- Demonstrated a phenomenon closely related to multicolor solitons.
- Generated pulses using interband coupling in a compound resonator.
Conclusions:
- Multicolor pulses can be experimentally generated using interband coupling in compound resonators.
- The observed phenomenon is closely related to the theoretical concept of multicolor solitons.
- The generated pulses have the potential for full phase-locking.
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