Improved intrapulse raman scattering control via asymmetric airy pulses

Physical Review Letters
Yi HuRoberto Morandotti

Abstract

We experimentally demonstrate the possibility of tuning the frequency of a laser pulse via the use of an Airy pulse-seeded soliton self-frequency shift. The intrinsically asymmetric nature of Airy pulses, typically featured by either leading or trailing oscillatory tails (relatively to the main lobe), is revealed through the nonlinear generation of both a primary and a secondary Raman soliton self-frequency shift, a phenomenon which is driven by the soliton fission processes. The resulting frequency shift can be carefully controlled by using time-reversed Airy pulses or, alternatively, by applying an offset to the cubic phase modulation used to generate the pulses. When compared with the use of conventional chirped Gaussian pulses, our technique brings about unique advantages in terms of both efficient frequency tuning and feasibility, along with the generation and control of multicolor Raman solitons with enhanced tunability. Our theoretical analysis agrees well with our experimental observations.

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Citations

Jun 8, 2018·Optics Express·Lifu ZhangClaudio Conti
May 4, 2016·Optics Express·Hua ZhongYanpeng Zhang
Mar 10, 2018·Optics Express·Lifu ZhangDianyuan Fan
Jul 15, 2016·Optics Express·Fu DengDongmei Deng
Nov 22, 2018·Nature Communications·Benjamin WetzelRoberto Morandotti
May 15, 2021·Optics Express·Haozhe LiDianyuan Fan

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