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14 December 2011Optical millimeter-wave generation utilizing optical parametric loop mirror and fiber Bragg grating
A novel photonic technique of millimeter-wave (mm-wave) sub-carrier generation using optical parametric loop mirror
(OPLM) and fiber Bragg grating (FBG) is proposed. Due to the four-wave mixing (FWM) effect and loop reflection
characteristic in an OPLM, a carrier-suppressed modulation signal is able to generate two new harmonic components
with six times frequency spacing of the modulation frequency and the initial two optical tones can be reflected back to
the input port by the OPLM itself, which servers as the first order filtering. At the transmission port of the OPLM, a
matching FBG will give further suppressing on the pump light. Finally, a millimeter-wave sub-carrier will be obtained
after the FBG.