Optoelectronic oscillator using a LiNbO3 phase modulator for self-oscillating frequency comb generation

Takahide Sakamoto, Tetsuya Kawanishi, Masayuki Izutsu

Research output: Contribution to journalArticlepeer-review

58 Citations (Scopus)


Optical frequency comb generation by using a novel optoelectronic oscillator (OEO) is proposed and demonstrated with the emphasis placed on self-oscillating operation. In the OEO, a wideband LiNbO3 phase modulator is driven with a large-amplitude radio-frequency (RF) feedback signal to generate a deeply phase-modulated light wave; accordingly, an optical frequency comb with a bandwidth greater than the RF signal is generated by self-oscillation. Although it generates multifrequency components, the OEO exhibits characteristics of a single-mode oscillator. Its operation is stable and self-starting. An optical frequency comb with a 120 GHz bandwidth and 9.95 GHz frequency spacing was successfully generated by self-oscillation at a single frequency.

Original languageEnglish
Pages (from-to)811-813
Number of pages3
JournalOptics Letters
Issue number6
Publication statusPublished - 2006 Mar 15
Externally publishedYes

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics


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