Phase Noise Measurement of Optical Heterodyning Two-Tone Signal Generated by Two Free-Running Lasers

Ryuta YAMANAKA, Taka FUJITA, Hideyuki SOTOBAYASHI, Atsushi KANNO, Tetsuya KAWANISHI

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Summary :

We evaluated the single side-band phase noise of a 40 GHz beat signal generated by two free-running lasers. This allowed us to verify the utility of the two free-running lasers is verified as a light source for a next-generation radio-over-fiber system using frequency such as those in the millimeter-wave and terahertz bands. We also measured the phase noise of a frequency quadrupler using a Mach-Zehnder modulator for comparison. The phase noise of the two free-running lasers and the frequency quadrupler are -63.85 and -95.22 dBc/Hz at a 10 kHz offset frequency, respectively.

Publication
IEICE TRANSACTIONS on Electronics Vol.E96-C No.2 pp.241-244
Publication Date
2013/02/01
Publicized
Online ISSN
1745-1353
DOI
10.1587/transele.E96.C.241
Type of Manuscript
BRIEF PAPER
Category

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