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Optics Letters

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  • Editor: Alan E. Willner
  • Vol. 35, Iss. 23 — Dec. 1, 2010
  • pp: 4069–4071

Photonic vector signal generation employing a novel optical direct-detection in-phase/quadrature-phase upconversion

Wen-Jr Jiang, Chun-Ting Lin, Chung-hung Ho, Chia-Chien Wei, Po-Tsung Shih, Jason (Jyehong) Chen, and Sien Chi  »View Author Affiliations


Optics Letters, Vol. 35, Issue 23, pp. 4069-4071 (2010)
http://dx.doi.org/10.1364/OL.35.004069


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Abstract

This work demonstrates the feasibility of the generation of an RF direct-detection vector signal using optical in-phase/quadrature-phase (I/Q) upconversion. The advantage of the proposed transmitter is that no electrical mixer is needed to generate the RF signal. Therefore, I/Q data of RF signals are processed at baseband at the transmitter, which is independent of the carrier frequency of the generated RF signal. A 10 Gb / s 16 quadrature amplitude modulation signal is experimentally demonstrated. Following transmission over a 50 km single-mode fiber, the power penalty is negligible. Moreover, I/Q imbalance of the proposed transmitter is studied and compensated by digital signal processing, which is both numerically and experimentally verified.

© 2010 Optical Society of America

OCIS Codes
(060.4510) Fiber optics and optical communications : Optical communications
(060.5625) Fiber optics and optical communications : Radio frequency photonics

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: July 21, 2010
Revised Manuscript: October 15, 2010
Manuscript Accepted: October 16, 2010
Published: November 30, 2010

Citation
Wen-Jr Jiang, Chun-Ting Lin, Chung-hung Ho, Chia-Chien Wei, Po-Tsung Shih, Jason (Jyehong) Chen, and Sien Chi, "Photonic vector signal generation employing a novel optical direct-detection in-phase/quadrature-phase upconversion," Opt. Lett. 35, 4069-4071 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-23-4069


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