All-optical modulation format conversion from frequency-shift-keying to phase-shift-keying

Tetsuya Kawanishi, Takahide Sakamoto, Masayuki Izutsu

研究成果: Article

9 引用 (Scopus)

抜粋

We have realized a novel optical modulation format conversion using double-sideband suppressed-carrier modulation. An optical wideband frequency-shift-keying (FSK) signal, generated by an external FSK modulator, can be directly converted into an optical phase-shift-keying (PSK) signal, where the FSK signal having two spectral components was fed to an optical intensity modulator followed by an optical bandpass filter. Optical frequency of the FSK signal was mapped into optical phase of the bandpass filter output whose phase deviation depends on a chirp of the FSK signal. We demonstrated modulation format conversion from FSK to PSK at 10 Gbps, by using a high-speed optical FSK modulator and a dual electrode Mach-Zehnder intensity modulator.

元の言語English
ページ(範囲)8038-8044
ページ数7
ジャーナルOptics Express
13
発行部数20
DOI
出版物ステータスPublished - 2005 10 3

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ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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