The paper identifies a gap in the development of systems

The gap

Evidence profile

Stated in the future work and cells research gap and open questions sections of the source papers, classified as general, spanning 3 journals.

Supporting evidence — 4 representative gaps

• Development of A BB84-Based Quantum Security System (2026) · International Journal of Latest Technology in Engineering Management & Applied Science · doi

  While the proposed system shows promising results, several directions can be explored to further enhance its capabilities: • Real-World Quantum Hardware Integration: Future implementations can focus on deploying the system using actual quantum communication hardware, such as photon sources and detectors, instead of relying solely on simu-lation environments. Page 785 www.rsisinternational.org INTERNATIONAL JOURNAL OF LATEST TECHNOLOGY IN ENGINEERING, MANAGEMENT & APPLIED SCIENCE (IJLTEMAS) ISSN 2278-2540 | DOI: 10.51583/IJLTEMAS | Volume XV, Issue VI, June 2026 • Advanced QKD Protocols: Exploring alternative QKD protocols, such as E91 or Measurement-Device- Independent QKD (MDI-QKD), could improve security and reduce vulnerabilities related to device imperfections. • • • Improving Key Generation Efficiency: Further opti-mization of error correction and privacy amplification techniques may help reduce noise effects and increase key generation rates. Scalability and Multi-User Support: Extending the system to support multiple users and larger quantum networks would enhance its applicability in real-world communication infrastructures. Integration of Additional PQC Algorithms: Incorpo-rating other post-quantum algorithms, such as NTRU or Dilithium, can provide greater flexibility and strengthen the hybrid security model. • Real-Time Application Development: The framework can be extended into practical applications such as secure messaging or file-sharing platforms with web or mobile interfaces. • Performance Optimization: Future work can focus on reducing computational overhead and improving latency to enable smoother real-time communication. • Advanced Security Analysis: Further investigation into side-channel attacks, quantum hacking strategies, and more sophisticated adversarial models would help en-hance the system’s overall resilience. In summary, the proposed hybrid quantum-safe communica-tion system provides a strong foundation for ongoing research in secure communication technologies and supports the de-velopment of practical, scalable solutions for the emerging quantum era. REFERENCES 1. X. Wu, B. Zhang, G. Chen, and D. Jin, “A Scalable Quantum Key Distribution Network Testbed Using Parallel Discrete-Event Simulation,” ACM Transactions on Modeling and Computer Simulation, vol. 32, no. 2, article 11, pp. 1–25, Feb. 2022. doi: 10.1145/3490029. 2. I. Gkouliaras, A. Kordas, K. Vlachos, and C. Kollmitz, “NuQKD: A Modular Quantum Key Distribution Simulation Framework,” Ad-vanced Physics Research, vol. 3, no. 1, pp. 1–15, Jan. 2024. doi: 10.1002/apxr.202400016. 3. S. Mangini, M. Grossi, M. W. Johnson, and R.

  generalstated in future workevidence 5/5
  Keywords: quantum system real communication further security simulation proposed enhance world hardware integration future focus using
• SYSTEMS AND METHODS FOR PHOTONIC COMPUTING 2025-11-25 (2026) · Zenodo (CERN European Organization for Nuclear Research) · doi

  The paper identifies a gap in the development of systems and methods for achieving fault-tolerant quantum computing. - The invention identifies a gap in the development of integrated photonics and optical signal processing.

  generalstated in cells research gapevidence 5/5
  Keywords: paper identifies gap development systems methods achieving fault-tolerant
• QUANTUM COMPUTING AND QUANTUM INFORMATION- QUANTUM INFORMATION PROCESSING WITH PHOTONIC QUBITS: EXPLORING THE USE OF PHOTONIC QUBITS FOR QUANTUM INFORMATION PROCESSING (2026) · International Journal of Computer Information Systems and Industrial Management Applications · doi

  Nevertheless, there are a lot of problems to be overcome to make the scalability of photonic QIP feasible. A. Photon Loss and Channel Capacity The multiplications of fiber attenuation and component insertion loss directly lead to a decrease of the success probability of probabilistic gates and the secure key rate in the QKD links across long optical networks and large- scale linear-optical circuits. B. Deterministic Photon-Photon Interaction The difficulty of photonic two-qubit gates [2] is the absence of robust and low-loss optical nonlinearities at the single-photon level. One way ahead is to use hybrid schemes in which photons and nonlinear media from matter are combined, such as the coherent-control scheme based on quantum dots described in [4] and [5], but these also have their limitations: the dephasing time T2 and the requirement of operating under cryogenic conditions. C. Source Indistinguishability and Multiplexing However, scaling either of these types of source to generate many simultaneous, mutually indistinguishable photons (required for the generation of large cluster states, or many-photon interference experiments) requires careful spectral, temporal and spatial mode matching of the mutually independent sources, and, as there are probabilistic emission events, either active or passive multiplexing is required. D. Quantum Memory Integration While the photonic qubits can be stored in place, inefficient and narrowband optical quantum memories are certainly still needed to synchronize probabilistic photon sources, as well as for quantum repeaters utilizing long- distance optical links [24]. E. Decoherence and Dephasing in Solid-State Emitters If the quantum point is used for logic or to generate photons using the coherent control, the finite dephasing time T2 reduces the time window that the coherent control can be exploited and the occurrence of a superposition of two Rabi-like frequencies (as found for the analysis of the CNOT-gate [5]) precludes complete population inversion to the exciton state (in certain cases), thus limiting gate fidelity. 1017 F. Mitigation Strategies Reported in the Literature In order to address the issues above several mitigation measures have come about. Cavity- and antenna- enhanced photon extraction structures provide a way around the brightness limitation of quantum-dot sources by Purcell-enhancing the radiative decay rate and directing emission into a well-defined collection mode. The simultaneous action of several multiplexing schemes, where the probabilistic photon sources are each triggered and the successful emission events are directed to a common output through fast optical switches, increases the number of indistinguishable emission events in an ensemble, and thus statistically transforms a set of probabilistic emitters into a higher-probability, deterministic emitter, partially bridging the bri

  generalstated in open questionsevidence 3/5
  Keywords: photon optical quantum probabilistic sources emission photonic loss photons coherent control dephasing time multiplexing events
• QUANTUM COMPUTING AND QUANTUM INFORMATION- QUANTUM INFORMATION PROCESSING WITH PHOTONIC QUBITS: EXPLORING THE USE OF PHOTONIC QUBITS FOR QUANTUM INFORMATION PROCESSING (2026) · International Journal of Computer Information Systems and Industrial Management Applications · doi

  The photonic qubit encodings, single-photon and entangled-photon source technologies and linear-optical and coherent-control-based approaches to quantum information processing have been surveyed, with special attention to the density-matrix treatment of the biexciton-exciton dynamics of a quantum dot and its extension to an all-optical CNOT gate. A comparative performance framework was created along with illustrative simulated figures and comparison tables guided by literature, regarding source brightness, entanglement fidelity, channel loss, and architectural determinism. The analysis suggests that photonic QIP is making strides towards hybrid systems in which the merits of long- distance transmission of flying photonic qubits meet the prospects for deterministic control of matter-based emitters like semiconductor quantum dots [25]. Future work should focus on: (i) Bridging the brightness–fidelity gap for deterministic sources by utilizing improved photonic extraction structures; (ii) building scalable multiplexing schemes to convert a probabilistic single-source emission into a highly-efficient multi-photon source; (iii) expanding proposals that will enable coherent-control of semiconductor nanowire emitters (such as [5]) into multi-dot or networked architectures; and (iv) implementing reliable quantum storage in efficient quantum memories to realize practical quantum repeater nodes. There is reason to believe that sustained cross-fertilization between theoretical modelling of solid state emitters based upon the density-matrix and architecture research of linear optical quantum computing will continue to be a focal point for advances in this field. Beyond this, it may be envisioned that in the future, the continuing development of integrated linear-optical networks (Section VI-F) and improvement in deterministic single-emitter sources could lead to the integration technology ultimately achieving the possibility of co-packaging integrated quantum-dot emitters, integrated linear- optical networks, and packaged superconducting detector-single-emitter coupling within a single photonic quantum processing module. The realization of this vision will be driven by continued advances not only in the materials science aspect but in the photonic quantum-architecture design aspect of the type developed in [4] and [5] as well, implying that the physics of the photonic-qubit source and the design of photonic quantum-architecture should be treated as an integral research problem instead of as two distinct research subfields. References: 1. A. Politi, J. C. F. Matthews, M. G. Thompson, and J. L. O'Brien, “Integrated photonic quantum gates for polarization qubits,” Nature Communications, vol. 2, no. 1, p. 224, 2011, and related photonic graph-state literature on measurement-based optical quantum computing. 3. 4. 2. E. Pelucchi, G

  generalstated in future workevidence 3/5
  Keywords: quantum photonic optical single source linear based emitters integrated photon control deterministic architecture qubit coherent

Questions about this gap