[MC1] Fiber Nonlinearity

[MC1-3] Ultra-Low Phase Noise Microwave Generation with 25-GHz Electro-Optics-Modulation Comb

〇Atsushi Ishizawa¹, Tadashi Nishikawa², Kenichi Hitachi¹, Kenya Hitomi^1,2, Hideki Gotoh¹ (¹NTT Corporation, Japan, ²Tokyo Denki Univ., Japan)

Keywords:Fiber/waveguide amplifiers and lasers, Optical modulators

Using carrier-envelope-offset signal of a 25-GHz electro-optics-modulation (EOM) comb, we demonstrated a record phase-noise reduction of a conventional signal generator. We found that the EOM comb linewidth at the 811st comb mode number is narrowed.