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 entire modulation frequency range of 115GHz are obtained.

© 2009 Optical Society of America

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