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Phase-defined dissipative soliton molecules in ultrafast laser resonators

Yusong Liu, Siyun Huang, Haoguang Liu, Yixiang Sun, Ran Xia, Lisong Yan, Yiyang Luo, Huanhuan Liu, Gang Xu, Qizhen Sun, Xiahui Tang, Perry Ping Shum

Published Jan 1, 2023• 0 citations
Publisher

Abstract

Artificial manipulations on dissipative soliton molecules stimulate the exploration for controllable temporal and internal assemblies. Phase-defined four regions are implemented to constitute the high-distinguishable quaternary encoding format and realizes the all-optical storage.
DOI
10.1364/cleo_si.2023.sf2r.7

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We investigate the formation of a new class of density-phase defects in a resonantly driven 2D quantum fluid of light. The system bistability allows the formation of low-density regions containing density-phase singularities confined between high-density regions. We show that, in 1D channels, an odd (1 or 3) or even (2 or 4) number of dark solitons form parallel to the channel axis in order to accommodate the phase constraint induced by the pumps in the barriers. These soliton molecules are typically unstable and evolve toward stationary symmetric or antisymmetric arrays of vortex streets straightforwardly observable in cw experiments. The flexibility of this photonic platform allows implementing more complicated potentials such as mazelike channels, with the vortex streets connecting the entrances and thus solving the maze.