We report an integrated all-optical radio frequency spectrum analyzer based on a similar to 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. (C) 2014 Optical Society of America
CMOS compatible integrated all-optical radio frequency spectrum analyzer
Clerici M;Caspani L;
2014-01-01
Abstract
We report an integrated all-optical radio frequency spectrum analyzer based on a similar to 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. (C) 2014 Optical Society of America
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