Chunyang Ma, Ankita Khanolkar, Yimin Zang, Andy Chong. Ultrabroadband, few-cycle pulses directly from a Mamyshev fiber oscillator[J]. Photonics Research, 2020, 8(1): 65
- Photonics Research
- Vol. 8, Issue 1, 65 (2020)
Fig. 1. Schematic of the Mamyshev fiber oscillator. PBS, polarizing beam splitter; HWP, half-wave plate; QWP, quarter-wave plate; ISO, free space isolator; DDL, dispersion delay line (a grating pair); PCF, photonic crystal fiber.
Fig. 2. (a) Pulse duration and spectral BW evolution in the laser cavity. (b) Misfit parameter M in the cavity. (c) Pulse before and after the DDL. (d) Output spectrum. (e) Output pulse. (f) Numerically dechirped pulse by a 300 lines/mm grating pair.
Fig. 3. Experimental results. (a) Output spectrum from the PBS1. (b) Output spectrum. (c) Dechirped autocorrelation. (d) Calculated Fourier transform limited pulse profile. (e) Output spectrum stability over an 8 h window.
Fig. 4. Octave spanning simulation results. (a) Output spectrum. (b) A 300 lines/mm grating pair dechirped pulse and its Fourier transform limited pulse.
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