Photonic generation of high quality frequency-tunable millimeter wave and terahertz wave
Chinese Optics Letters, Vol. 10, Issue 4, pp. 042501- (2012)
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Abstract
A scheme for the photonic generation of frequency-tunable millimeter wave and terahertz wave signals based on a highly flat optical frequency comb is proposed and demonstrated experimentally. The frequency comb is generated using two cascaded phase modulators (PMs) and an electro-absorption modulator (EAM). The frequency comb covers a 440-GHz frequency range, with 40-GHz comb spacing and less than 2-dB amplitude variation. By filtering out two of the comb lines with 50 dB out of the band suppression ratio, high frequency-purity and low phase noise millimeter wave or terahertz wave signals are successfully generated, with frequencies ranging from 40 to 440 GHz.
© 2012 Chinese Optics Letters
OCIS Codes
(350.7420) Other areas of optics : Waves
(250.4110) Optoelectronics : Modulators
ToC Category:
Optoelectronics
Citation
Yu Ji, Yan Li, Fangzheng Zhang, Jian Wu, Xiaobing Hong, Kun Xu, Wei Li, and Jintong Lin, "Photonic generation of high quality frequency-tunable millimeter wave and
terahertz wave," Chin. Opt. Lett. 10, 042501- (2012)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-10-4-042501
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