A continuously tunable and filterless optical millimeter-wave generation via frequency octupling

Chun-Ting Lin*, Po Tsung Shih, Wen Jr Jiang, Jyehong Chen, Peng Chun Peng, Sien Chi

*Corresponding author for this work

Research output: Contribution to journalArticle

61 Scopus citations

Abstract

This work proposes a cost-effective, continuously tunable and filterless optical millimeter-wave (MMW) signal generation employing frequency octupling. Optical MMW signals with 30-dB undesired sideband suppression ratios can be obtained. Since no optical filtering is required, the proposed system can be readily implemented in wavelength-divisionmultiplexing (WDM) systems. V-band 60-GHz and W-band 80-GHz optical MMW signals are experimentally demonstrated. Because of the high undesired sideband suppression ratio, 60-GHz waveform with 50% duty cycle is observed. The single-sideband (SSB) phase noise of the generated 60-GHz signal is 73 dBc/Hz at 10 kHz. The proposed system is a viable solution for the future ultra-high frequency MMW applications up to 320 GHz using the external modulator with a limited bandwidth of 40 GHz.

Original languageEnglish
Pages (from-to)19749-19756
Number of pages8
JournalOptics Express
Volume17
Issue number22
DOIs
StatePublished - 1 Jan 2009

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