All-optical generation of a 21 GHz microwave carrier by incorporating a double-Brillouin frequency shifter

Shee, Y. G. and Mahdi, Mohd Adzir and Al-Mansoori, Mohammed Hayder and Yaakob, S. and Mohamed, R. and Zamzuri, Abdul Kadir and Man, Azmi and Ismail, Alyani and Hitam, Salasiah (2010) All-optical generation of a 21 GHz microwave carrier by incorporating a double-Brillouin frequency shifter. Optics Letters, 35 (9). pp. 1461-1463. ISSN 0146-9592

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Abstract

An all-optical generation of a microwave carrier at 21 GHz that incorporates a double-Brillouin frequency shifter is presented. The frequency shift of ~21 GHz is achieved by generating the second-order Brillouin Stokes signal from the Brillouin pump. This is accomplished through the circulation and isolation of its first-order Stokes signal in the optical fiber. The Brillouin pump signal is heterodyned with its second-order Brillouin Stokes signal at a high-speed photodetector, and the output beating frequency is equal to the offset between these two signals. The generated microwave carrier is measured at 21.3968 GHz, and the carrier phase noise as low as −58.67 dBc/Hz is achieved.

Item Type:Article
Faculty or Institute:Faculty of Engineering
Publisher:Optical Society of America
DOI Number:10.1364/OL.35.001461
Altmetrics:http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.1364/OL.35.001461
ID Code:11502
Deposited By: kmportal
Deposited On:07 Apr 2011 01:53
Last Modified:07 Apr 2011 01:57

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