We report structured interferometry features in femtosecond supercontinuum generated with power near to supercontinuum generation threshold. We argue that these structures arise from the coherent superposition of supercontinuum generated from different sources of supercontinuum as pulse split into two daughter pulses. Increase in input pulse energy creates several more temporal pulse fragments and disrupts interference resulting in the typical feature of continuous broad supercontinuum. Such an understanding of supercontinuum generation process is critical to the use of supercontinuum as the light source for use in understanding the time dynamics and imaging of bio systems.
Debabrata Goswami, Sirshendu Dinda, and Soumendra N. Bandyopadhyay, "Structured interferometry features in femtosecond supercontinuum: towards better understanding of supercontinuum for bio applications," Proc. SPIE 10060, Optical Biopsy XV: Toward Real-Time Spectroscopic Imaging and Diagnosis, 1006019 (Presented at SPIE BiOS: February 02, 2017; Published: 17 February 2017); https://doi.org/10.1117/12.2253561.
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