Terahertz bandwidth integrated radio frequency spectrum analyzer via nonlinear optics
arXiv:1410.1146 · doi:10.1364/OE.22.021488
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.
11 pages, 6 figures, 29 references
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- High Performance Optical Filters Using Three Waveguide Coupled Sagnac Loop Reflectors
- Radio frequency spectrum analyzer with a 5 THz bandwidth based on nonlinear optics in a CMOS compatible high-index doped silica waveguide
- Hydex Glass and Amorphous Silicon for Integrated Nonlinear Optical Signal Processing
- New CMOS Compatible Platforms for Integrated Nonlinear Optical Signal Processing