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Abstract: Signal repeaters for fiber-optic communication can be realized with back-to-back connected transceivers. This configuration can provide high gain ($\approx 30$ dB) at low cost, and the ...

Goldman Sachs expects the drag to “more than reverse” in the first quarter, lifting GDP by 1.3 points to a 3.1% pace as furloughed workers return and delayed spending lands. The recovery still hinges ...