Millimeter-wave carrier generation using an optical phase modulator and an optical notch filter

Guohua Qi; Jianping Yao; Joseph S. Seregelyi; Stéphane Paquet; J. Claude Bélisle

doi:10.1117/12.567533

16 November 2004 Millimeter-wave carrier generation using an optical phase modulator and an optical notch filter

Guohua Qi, Jianping Yao, Joseph S. Seregelyi, Stéphane Paquet, J. Claude Bélisle

Proceedings Volume 5579, Photonics North 2004: Photonic Applications in Telecommunications, Sensors, Software, and Lasers; (2004) https://doi.org/10.1117/12.567533
Event: Photonics North, 2004, Ottawa, Ontario, Canada

Abstract

The effective bandwidth of a wireless communication system is proportional to the carrier frequency, shifting the operating frequency of the wireless system from the crowded microwave L and S bands to the unregulated mm-wave band is a trend for future broadband wireless services. Intensity modulation and direct detection scheme (IM/DD) has been considered a simple method to impose a millimeter-wave signal onto optical fiber. However, for systems using IM/DD, the chromatic dispersion introduce significant power penalty, which limits the transmission distance. Remote heterodyne schemes have been proposed to solve the dispersion problem. Several approaches have been proposed to generate two phase-correlated optical wavelengths that are separated at a required millimeter-wave frequency. These approaches include single-side band with carrier modulation, optical carrier-suppressed modulation, optical offset injection locking and optical offset phase locking of two laser sources. All these methods provides phase-correlated optical wavelengths, but with complicated system configuration and high system cost. In this paper, we propose a simple method to generate phase-correlated wavelengths using a phase modulator and two fiber Bragg gratings. Two wavelengths are generated by modulating the phase modulator with an RF frequency. The required millimeter-wave signal is obtained by selecting two sidebands using the two narrowband fiber Bragg gratings. Theoretical analysis and experimental results will be reported in the paper.

Citation Download Citation

Guohua Qi, Jianping Yao, Joseph S. Seregelyi, Stéphane Paquet, and J. Claude Bélisle "Millimeter-wave carrier generation using an optical phase modulator and an optical notch filter", Proc. SPIE 5579, Photonics North 2004: Photonic Applications in Telecommunications, Sensors, Software, and Lasers, (16 November 2004); https://doi.org/10.1117/12.567533

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