An improvement to a Nobel Prize-winning technology called a frequency comb enables it to measure light pulse arrival times with greater sensitivity than was previously possible -- potentially ...
High-fidelity line-by-line spectral shaping has been applied to more than 100 phase-stable optical frequency-comb components. This represents a significant step towards optical arbitrary waveform ...
A previous Design Idea describes an astable multivibrator that gets hysteresis from the positive feedback stage using a technique you can characterize as positive-capacitive feedback (Reference 1). It ...
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