21 April 2010 Time domain parabolic pulse creation of ultrafast chirped pulses
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The generation of optical pulses with parabolic time intensity profiles is experimentally demonstrated. A Mode Locked Laser (MLL) that generates near transform limited pulses with a gaussian optical spectrum are temporally stretched using a linearly chirped fiber Bragg grating. The temporal intensity profile of the stretched pulses matches the optical spectrum of the laser due to frequency-to-time mapping. An amplitude modulator is driven by a carefully designed voltage signal to result in parabolic pulses. Experimental results of pulse shaping with a MLL input source are presented, and show good agreement with modeling results. Parabolic pulse generation using a CW laser source is also demonstrated and a deviation of less than 3% from an ideal parabola is observed.
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Dat Nguyen, Dat Nguyen, Mohammad Umar Piracha, Mohammad Umar Piracha, Dimitrios Mandridis, Dimitrios Mandridis, Peter J. Delfyett, Peter J. Delfyett, Michael Greenberg, Michael Greenberg, Michael Mielke, Michael Mielke, Tim Booth, Tim Booth, "Time domain parabolic pulse creation of ultrafast chirped pulses", Proc. SPIE 7700, Enabling Photonics Technologies for Defense, Security, and Aerospace Applications VI, 77000J (21 April 2010); doi: 10.1117/12.852731; https://doi.org/10.1117/12.852731

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