Pulse-amplitude equalization by negative impulse modulation for rational harmonic mode locking |
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| Authors: | Ozharar Sarper Gee Sangyoun Quinlan Franklyn Lee Shinwook Delfyett Peter J |
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| Institution: | CREOL, The College of Optics and Photonics, University of Central Florida, Orlando, Florida 32816, USA. sozharar@creol.ucf.edu |
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| Abstract: | We propose a novel technique based on negative impulse modulation for pulse repetition rate multiplication by rational harmonic mode locking with pulse-amplitude-equalized pulses directly from the laser cavity. We have generated a pulse train of 15 GHz with more than 16 dB suppression of unwanted amplitude modulation spurs by using a 1 GHz RF signal. This is the highest suppression ratio for a repetition rate multiplication factor of 15 to our knowledge. |
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