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Directly-modulated photonic devices for microwave applications

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5 Author(s)
Xin Qian ; Centre for Photonic Syst., Cambridge Univ., UK ; P. Hartmann ; J. D. Ingham ; R. V. Penty
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In this paper, we show that directly-modulated photonic devices, such as distributed feedback (DFB) lasers and vertical-cavity surface-emitting lasers (VCSELs), exhibit very high linearity even when operated under uncooled conditions. It is proven by both experiment and simulation that these devices may be used in directly-modulated radio-over-fiber (RoF) links to meet the stringent requirements of current and future wireless network applications. High-dynamic-range microwave signals can be transported over these links with negligible penalty.

Published in:

IEEE MTT-S International Microwave Symposium Digest, 2005.

Date of Conference:

12-17 June 2005