Eur. Phys. J. Appl. Phys.
Volume 44, Number 1, October 2008
|Page(s)||65 - 70|
|Section||Laser, Optics, Optoelectronics and Nanophotonics|
|Published online||22 July 2008|
Experimental investigation of noise reduction in an opto-microwave link based on highly-dispersive low-loss fiber
Physics Department, Thales Research & Technology, RD 128, 91767 Palaiseau Cedex, France
2 Laboratoire Aimé Cotton, CNRS–Université Paris Sud 11, 91405 Orsay Cedex, France
Corresponding author: email@example.com
Accepted: 23 June 2008
Published online: 22 July 2008
A dispersion compensating fiber exhibiting low losses is used to study the phase to amplitude noise and amplitude to phase noise conversion mechanisms with a very good signal-to-noise ratio over a 20 GHz bandwidth. It is shown that the large frequency noise of semiconductor lasers and the losses in the fiber restrain this technique from efficiently reducing the relative intensity noise to improve the dynamic range of opto-microwave links. However, these properties are proved to be useful to precisely characterize the laser phase noise over a large bandwidth.
PACS: 42.55.Px – Semiconductor lasers; laser diodes / 42.62.-b – Laser applications / 84.40.-x – Radiowave and microwave / 42.81.Wg – Other fiber-optical devices
© EDP Sciences, 2008
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