15 February 2018 Supercontinuum generation and beatnote detection using ultrafast VECSEL seed oscillators
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Abstract
We present preliminary results showing the potential of VECSEL technology for the generation of high power coherent supercontinuum. Among these results, we demonstrate a stable output power of 16 W with a pulse duration of 71 fs and a repetition rate of 1.7 GHz from a VECSEL oscillator and Ytterbium fiber amplifier. This system was used to generate a coherent supercontinuum averaging 3 W of power using a highly nonlinear photonic crystal fiber. In addition, we discuss the possible methods for the detection and stabilization of the carrier offset frequency. The beatnote between a VECSEL seeded supercontinuum and an external CW laser reveals a relatively stable signal, well above the detection noise. A discussion about system design considerations for noise reduction and increased offset frequency stability is also included.
Conference Presentation
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Robert Rockmore, Robert Rockmore, Caleb W. Baker, Caleb W. Baker, Alexandre Laurain, Alexandre Laurain, Tsung-Han Wu, Tsung-Han Wu, R. Jason Jones, R. Jason Jones, Jerome V. Moloney, Jerome V. Moloney, } "Supercontinuum generation and beatnote detection using ultrafast VECSEL seed oscillators", Proc. SPIE 10515, Vertical External Cavity Surface Emitting Lasers (VECSELs) VIII, 105150M (15 February 2018); doi: 10.1117/12.2291079; https://doi.org/10.1117/12.2291079
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