24 March 2008 Linearly chirped nanosecond stretched pulses from an extreme chirped pulse semiconductor mode-locked oscillator
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Abstract
An eXtreme Chirped Pulse Oscillator (XCPO) implemented with a Theta cavity and based on a semiconductor optical amplifier (SOA) is presented for generating 10ns frequency-swept pulses and 3.6ps compressed pulses directly from the oscillator. In this experiment, we show the two distinct characteristics of the XCPO which are the scalability of the output energy and the mode-locked spectrum. The laser cavity design allows for low repetition rate operation <100MHz, as well. The cavity, significantly, reduces nonlinear carrier dynamics, integrated self phase modulation (SPM), and fast gain recovery in an SOA. Due to the laser's ability to generate directly frequency-swept pulses from the oscillator, this oscillator can be used for high speed frequency-swept optical coherence tomography (OCT) and time-stretched photonic analog to digital converters (P-ADC).
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Shinwook Lee, Shinwook Lee, Dimitrios Mandridis, Dimitrios Mandridis, Peter J. Delfyett, Peter J. Delfyett, } "Linearly chirped nanosecond stretched pulses from an extreme chirped pulse semiconductor mode-locked oscillator", Proc. SPIE 6975, Enabling Photonics Technologies for Defense, Security, and Aerospace Applications IV, 69750L (24 March 2008); doi: 10.1117/12.783443; https://doi.org/10.1117/12.783443
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