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CW injection locking of a mode-locked semiconductor laser as a local oscillator comb for channelizing broad-band RF signals

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11 Author(s)
T. Jung ; Dept. of Electr. Eng., California Univ., Los Angeles, CA, USA ; Ji-Lin Shen ; D. T. K. Tong ; S. Murthy
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CW injection locking of mode-locked semiconductor lasers has been experimentally demonstrated. The phases of the mode-locked frequency comb are shown to be coherent with that of the master CW laser. The pulsewidth of the mode-locked laser remains almost unchanged (<2 ps) for a broad range of injection power (-28 to -12 dBm). Pulling of the entire mode-locked frequency comb by 400 MHz has been demonstrated. The coherent multifrequency source can be used as a local oscillator comb for coherent optical channelizers for ultrawide-band RF signals

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IEEE Transactions on Microwave Theory and Techniques  (Volume:47 ,  Issue: 7 )