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Proceedings Paper

Widely tunable opto-electronic oscillator based on a dual frequency laser
Author(s): J. Maxin; K. Saleh; G. Pillet; L. Morvan; O. Llopis; D. Dolfi
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Paper Abstract

We present the stabilization of the beatnote of an Er,Yb:glass Dual Frequency Laser at 1.53 μm with optical fiber delay lines. Instead of standard optoelectronics oscillators, this architecture does not need RF filter and offers a wide tunability from 2.5 to 5.5 GHz. Thank to a fine analysis of the laser RIN to phase noise conversion in the photodiodes, the expected RF-amplifiers noise limit is reached with a phase noise power spectral density of -25 dBc/Hz at 10 Hz (respectively -110 dBc/Hz at 10 kHz) from the carrier over the whole tuning range. Implementation of a double fiber coil architecture improves the oscillator spectral purity: the phase noise reaches a level of -35 dBc/Hz at 10 Hz (respectively -112 dBc/Hz respectively 10 kHz) from the carrier.

Paper Details

Date Published: 27 March 2013
PDF: 8 pages
Proc. SPIE 8624, Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications VI, 86240M (27 March 2013); doi: 10.1117/12.2002527
Show Author Affiliations
J. Maxin, Thales Research and Technology (France)
K. Saleh, Lab. d'Analyse et d'Architecture des Systèmes, CNRS, Univ. de Toulouse (France)
G. Pillet, Thales Research and Technology (France)
L. Morvan, Thales Research and Technology (France)
O. Llopis, Lab. d'Analyse et d'Architecture des Systèmes, CNRS, Univ. de Toulouse (France)
D. Dolfi, Thales Research and Technology (France)


Published in SPIE Proceedings Vol. 8624:
Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications VI
Laurence P. Sadwick; Créidhe M. O'Sullivan, Editor(s)

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