IEICE Transactions on Electronics
Online ISSN : 1745-1353
Print ISSN : 0916-8524
Special Section on Recent Progress in Microwave and Millimeter-Wave Photonics Technology
Phase Noise Measurement of Optical Heterodyning Two-Tone Signal Generated by Two Free-Running Lasers
Ryuta YAMANAKATaka FUJITAHideyuki SOTOBAYASHIAtsushi KANNOTetsuya KAWANISHI
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2013 年 E96.C 巻 2 号 p. 241-244

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We evaluated the single side-band phase noise of a 40GHz 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 -95.22dBc/Hz at a 10kHz offset frequency, respectively.
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© 2013 The Institute of Electronics, Information and Communication Engineers
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