Abstract
The nonlinear effect of two-photon absorption (TPA) on the performance of all-optical XOR gate using quantum dot semiconductor optical amplifiers (QDSOAs)-assisted Mach–Zehnder interferometer is numerically analyzed and investigated at a data rate of 2 Tb/s. The dependence of the quality factor (QF) on the critical parameters of the input signal and QDSOA is examined and assessed. The obtained QFs for the all-optical XOR gate using QDSOAs-MZI at 2 Tb/s with TPA and without TPA are 14 and 8, respectively.
Original language | English |
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Article number | 58 |
Journal | Optical and Quantum Electronics |
Volume | 51 |
Issue number | 2 |
DOIs | |
Publication status | Published - 1 Feb 2019 |
Externally published | Yes |
Keywords
- All-optical XOR gate
- Mach–Zehnder interferometer
- Quantum dot semiconductor optical amplifier
- Two-photon absorption
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Kotb, A., & Guo, C. (2019). Two-photon absorption in quantum dot semiconductor optical amplifiers-based all-optical XOR gate at 2 Tb/s. Optical and Quantum Electronics, 51(2), Article 58. https://doi.org/10.1007/s11082-019-1772-5