Centi-combs: Low-noise sub-GHz repetition-rate soliton frequency combs from crystalline resonators

Tatsuki Murakami, Keisuke Ogawa, Hajime Kumazaki +1

We demonstrate low-noise Kerr soliton frequency combs with repetition rates below 1~GHz in ultrahigh-Q crystalline magnesium fluoride resonators. Single soliton states with repetit…