AI Article Synopsis
- Researchers have effectively manipulated the interactions between optical parametric oscillation and stimulated Raman scattering to create unique frequency comb states in a microresonator.
- They demonstrated a broad-spectrum Raman comb with a sech2 envelope, characterized by a wide RF beat note linewidth of several hundred kHz.
- Additionally, they generated self-locked Raman single-solitons with a narrow RF beat note of 25 Hz through a specific coupling method and frequency detuning, without needing external locking mechanisms.
Article Abstract
We successfully control the interaction dynamics between optical parametric oscillation (OPO) and stimulated Raman scattering, leading to the generation of distinct frequency comb states in a microresonator. Through Raman-scattered photons, a Raman comb with a sech2 envelope is demonstrated having a broad RF beat note linewidth of several hundred kHz. Moreover, under a specific coupling regime, we successfully generate self-locked Raman single-solitons which is confirmed by a narrow RF beat note of 25 Hz. Remarkably, this spontaneous Raman soliton is deterministically generated through adiabatic pump frequency detuning without the requirement of external locking mechanisms. Additionally, we identify a frequency comb with an unconventional envelope that can be fitted with a Lorentzian × sech2 function, generated via an anti-Stokes process with respect to the Raman comb.
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| http://dx.doi.org/10.1364/OE.498039 | DOI Listing |
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