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Broadband Nonlinear Optical Modulator With 2D Organic-Inorganic Hybrid Perovskite Nanocrystals
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DOI：10.1109/JSTQE.2023.3253566.png)
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Abstract
En 中文
Two-dimensional (2D) hybrid organic-inorganic perovskites (HOIPs) have aroused great interests in various optoelectronic fields. Here, the highly stable 2D (C6H5C2H4NH3)(2)PbI4 nanocrystals (PEA(2)PbI(4) NCs) have been prepared successfully via liquid-phase exfoliation (LPE) method, and the ultrafast nonlinear saturable absorption characteristics have been studied within the spectral range from near-infrared to mid-infrared regime. Based on the unique nonlinear optical response of the 2D HOIPs, a highly stable fiber laser with pulse duration similar to 531 fs and signal-to-noise ratio (SNR) similar to 90 dB have been delivered from a mode-locked Er3+-doped fiber laser (EDFL) around 1.5 mu m, and a robust nanosecond fiber laser with pulse duration similar to 553 ns and SNR similar to 40 dB has been obtained from a Q-switched Er3+-doped fluoride fiber laser (EDFFL) around 2.8 mu m experimentally. Our experimental results demonstrate the potential of 2D perovskites as broadband pulse modulators and may pave the way for advanced broadband optoelectronic applications based on 2D HOIPs.
Keywords:
Nonlinear optics
Optical fibers
Fiber lasers
Absorption
Fiber nonlinear optics
Ultrafast optics
Modulation
ultrafast optics
laser absorbers
optical fiber lasers
Q-switched lasers
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