Semiconductor Emitters in Entropy Sources for Quantum Random Number Generation

Random number generation (RNG) is needed for a myriad of applications ranging from secure communication encryption to numerical simulations sports and games. However, generating truly random numbers can be elusive. Pseudorandom bit using computer algorithms provides high rate. Nevertheless, the reliance on predefined makes it deterministic predictable once initial conditions are known. Relying physical phenomena (such as measuring electrical noise or even rolling dice) achieve less sequence bits. Furthermore, if originate quantum effects, they completely unpredictable due indeterminacy. Traditionally, RNG significantly slower than pseudorandom techniques. To meet demand high-speed with perfect unpredictability, semiconductor light sources adopted parts randomness, i.e., entropy sources, in (QRNG) systems. The speed their noise, efficiency, small scale these devices make them ideal chip-scale QRNG. Here, recent advances QRNG reviewed emitters. Finally, performance emitters compared discuss potential future technologies.