Millimeter wave carrier generation based on a double-Brillouin-frequency spaced fiber laser
Author(s) -
Y. G. Shee,
M. H. AlMansoori,
Syamsuri Yaakob,
A. Man,
A. K. Zamzuri,
Faisal Rafiq Mahamd Adikan,
Mohd Adzir Mahdi
Publication year - 2012
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.20.013402
Subject(s) - optics , extremely high frequency , brillouin zone , brillouin scattering , materials science , optical fiber , fiber laser , laser , optoelectronics , physics
An all-optical generation of a millimeter wave carrier from a multiwavelength Brillouin-erbium fiber laser is presented. Four-channel output with spacing of about 21.5 GHz is generated from the fiber laser by controlling the gain in the cavity. A dual-wavelength signal with spacing correspondent to six orders of Brillouin frequency shift is obtained by suppressing the two channels at the middle. Heterodyning these signals at the high-speed photodetector produces a millimeter wave carrier at 64.17 GHz. Temperature dependence characteristic of Brillouin frequency shift realize the flexibility of generated millimeter wave frequency to be tuned at 6.6 MHz/ °C.
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