Journal
OPTICS EXPRESS
Volume 28, Issue 5, Pages 6937-6944Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.385142
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Funding
- National Natural Science Foundation of China [51778030, 51978024]
- Engineering and Physical Sciences Research Council [EP/L016087/1]
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We numerically and experimentally demonstrate the generation of broad bandwidth mode-locked dual-wavelength pulses with diverse-pattern from a dispersion managed erbium-doped (Er-doped) fiber laser. The two-peak gain profile of the Er-doped fiber is shown to have advantages in achieving broadband dual-wavelength pulses compared to a comb filter in our cavity. Our obtained bandwidths of 24 tun and 11.5 nm represent the broadest achieved in an Er-doped dual-wavelength fiber laser to date. In addition, the weak third-order dispersion (TOD) of the fibers facilitates two dispersion-pattern pulses (one stretched pulse and one dissipative soliton) generated in the near zero dispersion regime. Our results provide a convenient, effective way to obtain such sources for potential applications, such as in dual-comb metrology and multicolor pulses in nonlinear microscopy. (C) 2020 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
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