Terahertz bandwidth integrated radio frequency spectrum analyzer via nonlinear optics

Abstract

We report an integrated all-optical radio frequency spectrum analyzer based on a ~ 4cm long doped silica glass waveguide, with a bandwidth greater than 2.5 THz. We use this device to characterize the intensity power spectrum of ultrahigh repetition rate mode-locked lasers at repetition rates up to 400 GHz, and observe dynamic noise related behavior not observable with other techniques.

arXiv comment11 pages, 6 figures, 29 references

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• Soliton crystal Kerr microcombs for high-speed, scalable optical neural networks at 10 GigaOPs/s
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• High Performance Optical Filters Using Three Waveguide Coupled Sagnac Loop Reflectors
• Emerging applications of integrated optical microcombs for analogue RF and microwave photonic signal processing
• Radio frequency spectrum analyzer with a 5 THz bandwidth based on nonlinear optics in a CMOS compatible high-index doped silica waveguide
• Photonic single perceptron at Giga-OP/s speeds with Kerr microcombs for scalable optical neural networks
• Photonic single sideband RF generator based on an integrated optical micro-ring resonator
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• High-order Radio Frequency Differentiation via Photonic Signal Processing with an Integrated Micro-resonator Kerr Optical Frequency Comb Source
• Hydex Glass and Amorphous Silicon for Integrated Nonlinear Optical Signal Processing