All-fiber all-normal-dispersion femtosecond laser with nonlinear multimodal interference-based saturable absorber
2019 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2019
Institute of Electrical and Electronics Engineers Inc.
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Chong et al. demonstrated a stable passively mode-locked all-normal-dispersion fiber laser and pulse generation is attributed to the strong spectral filtering of chirped pulses, dissipative soliton pulses . In the following years, with very-large-mode-area fibers the energy and power scalability of the dissipative soliton pulses is demonstrated. Recently, multimodal interactions are subject to device studies with various configurations. Nazemosadat et al. theoretically proposed a short graded-index multimode fiber segment in between single mode fiber as a saturable absorber . On the other hand, with similar device structure an all-fiber bandpass filter is later presented both numerically and experimentally .
Optical fiber devices
Optical fiber couplers