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Experimental Correlation of Electrical and Optical Noise in a DFB Laser: Implications for Quantum Key Distribution and Quantum Random Number Generation
We present an experimental and analytical study of the electrical-optical noise correlation in a distributed-feedback (DFB) laser diode operating at 1550 nm. Using dual-channel fast Fourier transform (FFT) measurements, we extract the power spectral densities of the injection current noise, the r...
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