Optically fed microwave true-time delay based on a compact liquid-crystal hotonic-bandgap-fiber device

Lei Wei, Weiqi Xue, Yaohui Chen, Thomas Tanggaard Alkeskjold, Anders Overgaard Bjarklev

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

An electrically tunable liquid-crystal, photonic-bandgap-fiber-device-based, optically fed microwave true-time delay is demonstrated with the response time in the millisecond range. A maximum electrically controlled phase shift of around 70° at 15GHz and an averaged 12.9ps true time delay over the whole modulation frequency range of 1-15GHz are obtained.
Original languageEnglish
JournalOptics Letters
Volume34
Issue number18
Pages (from-to)2757-2759
ISSN0146-9592
Publication statusPublished - 2009

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