Constraints on downconversion in atomically thick films

Marini, Loris; Helt, L. G.; Lu, Yuerui; Eggleton, Benjamin J.; Palomba, Stefano

doi:10.1364/josab.35.000672

Cited by 14 publications

(10 citation statements)

References 42 publications

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“…This dry transfer technique can be applied to the wide variety of 2D materials and their heterostructures too, many of them have been demonstrated. [ 215–226 ] Pei et al explained this dry transfer technique in great detail. [ 161 ]…”

Section: Toward Mxene/organic 2d Heterostructures; Synthesis Techniquesmentioning

confidence: 99%

“…This dry transfer technique can be applied to the wide variety of 2D materials and their heterostructures too, many of them have been demonstrated. [215][216][217][218][219][220][221][222][223][224][225][226] Pei et al explained this dry transfer technique in great detail. [161] Depositing MXenes on top of the surface of 2D organics can protect the fast degradation of organic molecules meaning that these unique heterostructures may exhibit self-protection capabilities.…”

Section: Formation Of 2d Mxene/organic Heterostructuresmentioning

confidence: 99%

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Retracted: Emerging 2D MXene/Organic Heterostructures for Future Nanodevices

Neupane

Yildirim

Zhang

et al. 2020

Adv Funct Materials

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MXenes are a rapidly growing family of 2D materials. Their unique combination of metallic conductivity, hydrophilicity, and highly charged surfaces endow them with excellent electrochemical performance. Appropriate surface functional groups determine their semiconducting properties. The wide selection of various MXene structures and surface functional groups enable tunable work functions and bandgaps, making them prime candidates for many optoelectronic applications. In addition, the discovery of 2D organic semiconductors having single molecular thickness has also greatly attracted research attention due to their optical, electronic, optoelectronic, and mechatronic properties. Moreover, the formation of MXenes/organic 2D heterostructures enables many interesting phenomena in the 2D quantum limit to be observed. This review aims to increase motivation toward the investigation of newly emerging MXenes, 2D organic materials, and their combinational heterostructures. It overviews recent progress in the fundamental investigations of the optical, electronic, and optoelectronic properties in isolated 2D MXenes and organic materials; then, highlights the major importance of 2D MXene/organic heterostructures for applications in exciton-polariton lasers, light emitting devices, wearable electronics, and spintronic devices. The review aims outlines a future roadmap for 2D MXenes, organic materials, and their heterostructures for advanced nanotechnology applications.

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Section: Toward Mxene/organic 2d Heterostructures; Synthesis Techniquesmentioning

confidence: 99%

Section: Formation Of 2d Mxene/organic Heterostructuresmentioning

confidence: 99%

Retracted: Emerging 2D MXene/Organic Heterostructures for Future Nanodevices

Neupane

Yildirim

Zhang

et al. 2020

Adv Funct Materials

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“…In SPDC, unlike the SHG, the CC rate linearly and quadratically depends on the pump power and susceptibility (Marini et al 2018;Aguero et al 2014), respectively, which are given by with (36…”

Section: Calibration Tuning the Bell State And Bell Inequality Testmentioning

confidence: 99%

Measurement of entropy and quantum coherence properties of two type-I entangled photonic qubits

2021

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Using the type-I SPDC process in BBO nonlinear crystal, we generate a polarization-entangled state near to the maximally-entangled Bell-state with high-visibility (high-brightness) 98.50 ± 1.33% (87.71 ± 4.45%) for HV (DA) basis. We calculate the CHSH version of the Bell inequality, as a nonlocal realism test, and find a strong violation from the classical physics or any hidden variable theory, S = 2.71 ± 0.10. Via measuring the coincidence count rate in the SPDC process, we obtain the quantum efficiency of single-photon detectors around (25.5 ± 3.4)%, which is in good agreement to their manufacturer company. As expected, we verify the linear dependency of the CC rate vs. pump power of input CW-laser, which may yield to find the effective second-order susceptibility crystal. Using the theory of the measurement of qubits, includes a tomographic reconstruction of quantum states due to the linear set of 16 polarization-measurement, together with a maximum-likelihood-technique, which is based on the numerical optimization, we calculate the physical non-negative definite density matrices, which implies on the non-separability and entanglement of prepared state. By having the maximum likelihood density operator, we calculate precisely the entanglement measures such as Concurrence, entanglement of formation, tangle, logarithmic negativity, and different entanglement entropies such as linear entropy, Von-Neumann entropy, and Renyi 2-entropy. Finally, this high-brightness and low-rate entangled photons source can be used for short-range quantum measurements in the Lab.

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“…In recent years, low-dimensional nanomaterials (for example 1D materials such as carbon nanotubes 237 and nanowires 238 , 2D materials such as graphene, transition metal dichalcogenide monolayers [239][240][241] ) have attracted considerable research efforts. Their interesting potential in nonlin-FIG.…”

Section: A New Materials Platformsmentioning

confidence: 99%

Integrated photon-pair sources with nonlinear optics

Wang¹,

Jöns

Sun

2021

Applied Physics Reviews

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Assisted by the rapid development of photonic integrated circuits, scalable and versatile chip-based quantum light sources with nonlinear optics are increasingly tangible for real-world applications. In this review, we introduce the basic concepts behind parametric photon pair sources and discuss the current state-of-the-art photon pair generation in detail bur also highlight future perspectives in hybrid integration, novel waveguide structures and on-chip multiplexing. The advances in near-deterministic integrated photon pair sources are deemed to pave the way for the realization of large-scale quantum photonic integrated circuits for applications including quantum telecommunication, quantum sensing, quantum metrology and photonic quantum computing.

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Constraints on downconversion in atomically thick films

Cited by 14 publications

References 42 publications

Retracted: Emerging 2D MXene/Organic Heterostructures for Future Nanodevices

Retracted: Emerging 2D MXene/Organic Heterostructures for Future Nanodevices

Measurement of entropy and quantum coherence properties of two type-I entangled photonic qubits

Integrated photon-pair sources with nonlinear optics

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