Iodine stabilization of a diode laser in the optical communication band

Hsiang Chen Chui, Sen Yen Shaw, Ming Sheng Ko, Yi Wei Liu, Jow Tsong Shy, Tyson Lin, Wang Yau Cheng, Rostislav V. Roussev, Martin M. Fejer

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)


The iodine molecule has frequently been used as a frequency reference from the green to the near-infrared wavelength region (500-900 nm). We describe the frequency locking of the second-harmonic signal of a 197.2-THz (1520.25-nm) distributed-feedback diode laser to the absorption lines of the iodine hyperfine structure; a frequency jitter below 0.1 MHz was achieved at a 300-ms time constant. This scheme provides a simple, compact, and high-performance frequency reference in the optical communication band.

Original languageEnglish
Pages (from-to)646-648
Number of pages3
JournalOptics Letters
Issue number6
Publication statusPublished - 2005 Mar 15

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics


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