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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 6 — Mar. 15, 2014
  • pp: 1493–1496

Photonic generation of millimeter and terahertz waves with high phase stability

Dongning Sun, Yi Dong, Lilin Yi, Siwei Wang, Hongxiao Shi, Zongyang Xia, Weilin Xie, and Weisheng Hu  »View Author Affiliations


Optics Letters, Vol. 39, Issue 6, pp. 1493-1496 (2014)
http://dx.doi.org/10.1364/OL.39.001493


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Abstract

Optical generation of highly stable millimeter and terahertz waves is proposed and experimentally demonstrated. The optical-fiber-path-induced phase fluctuation is identically transferred to a 40 MHz intermediate frequency by using dual-heterodyne phase error transfer, then canceled by a phase-locked loop. Based on the scheme, highly stable signals within the frequency range from 25 GHz to 1 THz are generated, and the phase jitter is decreased from 2.05 rad to 4.7 mrad in the frequency range from 0.01 Hz to 1 MHz. For 1 THz, the residual phase noise reaches 60dBc/Hz at 1 Hz frequency offset from the carrier, and the relative timing jitter is reduced to 0.7 fs.

© 2014 Optical Society of America

OCIS Codes
(070.1170) Fourier optics and signal processing : Analog optical signal processing
(120.5050) Instrumentation, measurement, and metrology : Phase measurement
(060.5625) Fiber optics and optical communications : Radio frequency photonics

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: December 5, 2013
Manuscript Accepted: January 30, 2014
Published: March 11, 2014

Citation
Dongning Sun, Yi Dong, Lilin Yi, Siwei Wang, Hongxiao Shi, Zongyang Xia, Weilin Xie, and Weisheng Hu, "Photonic generation of millimeter and terahertz waves with high phase stability," Opt. Lett. 39, 1493-1496 (2014)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-39-6-1493

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