Operation of an Electrical-Only-Contact Photonic Integrated Chip for Quantum Random Number Generation Using Laser Gain-Switching
Abstract
:1. Introduction
2. Device and Experimental Setup
3. Results
3.1. Sampling Oscilloscope Eye Diagrams
3.2. QRNG Voltage Distribution
3.3. Results of the NIST STS Tests
3.4. Simulation Results of the QRNG Signal
4. Discussion
5. Patents
Supplementary Materials
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
Appendix A
Symbol | Definition | Value and/or Unit |
---|---|---|
Carrier density | m−3 | |
Laser field | W0.5 | |
Ibias | Laser bias current | 13 to 33 mA |
ΔI | Amplitude of gain-switching current | 19 mA |
Quantum of electronic charge | 1.6 × 10−19 C | |
Volume of active region | 3 × 10−17 m3 | |
Non-radiative carrier recombination rate coefficient | 1 × 109 s−1 | |
Bimolecular recombination rate coefficient | 1 × 10−16 m3 s−1 | |
C | Auger recombination rate coefficient | 1 × 10−41 m6 s−1 |
Differential gain | 7 × 10−13 | |
Confinement factor | 0.3 | |
Non-linear gain compression | m3 | |
Linewidth enhancement factor | 4 | |
Carrier density at transparency | 1 × 1024 m−3 | |
Photon lifetime | 4 ps | |
Fraction of spontaneous emission into the lasing mode | 1 × 10−5 | |
Simulation timestep | 1 ps | |
Simulation bandwidth 1 | 1 THz |
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Ó Dúill, S.; Rodriguez, L.; Alvarez-Outerelo, D.; Diaz-Otero, F.J.; Sharma, A.; Smyth, F.; Barry, L.P. Operation of an Electrical-Only-Contact Photonic Integrated Chip for Quantum Random Number Generation Using Laser Gain-Switching. Optics 2023, 4, 551-562. https://doi.org/10.3390/opt4040040
Ó Dúill S, Rodriguez L, Alvarez-Outerelo D, Diaz-Otero FJ, Sharma A, Smyth F, Barry LP. Operation of an Electrical-Only-Contact Photonic Integrated Chip for Quantum Random Number Generation Using Laser Gain-Switching. Optics. 2023; 4(4):551-562. https://doi.org/10.3390/opt4040040
Chicago/Turabian StyleÓ Dúill, Seán, Leidy Rodriguez, David Alvarez-Outerelo, Francisco J. Diaz-Otero, Ankit Sharma, Frank Smyth, and Liam P. Barry. 2023. "Operation of an Electrical-Only-Contact Photonic Integrated Chip for Quantum Random Number Generation Using Laser Gain-Switching" Optics 4, no. 4: 551-562. https://doi.org/10.3390/opt4040040