Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 11 of 11 for “"O band"”.
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DEPLOYED QUANTUM KEY DISTRIBUTION WITH A ROOM-TEMPERATURE TELECOM SINGLE PHOTON SOURCE
… telecom wavelengths, specifically within the O-band (˜1310 nm).
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Vibrational spectroscopy studies of interdiffusion in polymer laminates and diffusion of water into polymer membranes.
… and PMMA layers. It has been found that v(C=O) band shows no apparent frequency shift due to hydrogen bonding. However, considerable broadening of the v(C=O) band has been observed at the interfacial region. In order to study the effect of annealing temperature, a PAN/PVOH laminate has been …
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Telecom Wavelength Quantum Devices
… Initial experiments succeeded in interfering O-band (1260—1360 nm) photons from an InAs/GaAs QD with dissimilar photons from a laser, an important mechanism for quantum teleportation. Interference visibilities as high as 60 ± 6 % were recorded, surpassing the 50 % threshold imposed by classical …
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Enhancing the Light output of Solid State Emitters
… emit at telecom wavelengths either in the O-band (GaSb/GaAs QRs) or the C-band (InAs/GaAs QDs capped with GaAsSb). Individual exciton emission at low temperature was observed in these samples using micro-photoluminescence for what we believe is the first time. This was achieved by reducing …
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Proton Acceptor-Proton Donor Interactions in Gases and Low Temperature Matrices
… spectrum of the fundamental HC1 band as a function of interactions with other components of the mixture, and secondly bands associated with specific interactions forming hydrogen-bonded complexes.<br/><br/>The enhancement of HC1 is generally found to vary linearly with the …
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Resonance fluorescence of novel quantum emitters
… dots (QD) emitting near the telecommunication O-band and excitons believed to be localized on defects in WSe2 monolayers are investigated using optical spectroscopy and resonance fluorescence (RF). The development of light sources emitting around 1300 nm is motivated primarily by the possibility …
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Charge Transfer at Metal Oxide/Organic Interfaces
… of the defect derived states within the Al₂O₃ band gap, which resulted in the observation of strongly distributed kinetics for this system. The influence of defects and adsorbates on the electronic structure of ZnO and its interface with organic semiconductors was determined from photoelectron …
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Network Integration of a Quantum Dot Entangled Photon-pair Source
… the transmission of qubits at the telecom O-band with classical traffic at the telecom C-band over the same optical fibre without generating severe background at the quantum channel. To overcome changes of birefringence introduced by the deployed optical fibres, which causes the variation of …
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Toward single-growth monolithically integrated electro-absorption modulated lasers
Every year the demand for bandwidth is growing exponentially due to the emergence of data-intensive services such as high-definition video streaming, cloud-based computing, and machine-to-machine communication. This rapid expansion is primarily driven by the extensive deployment of fibre-based …
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Vibrational Spectroscopic Studies of Degradation and Diffusion Processes in Poly(ethylene terephthalate)
… both sets offilms. The perturbation of the v(OH) band of the water in the polymer matrix was studied as both a function oftime (i.e. concentration) and crystallinity. The water band was shown to be decoupled at low concentrations within the polymer matrix, indicating a breaking up of the water …
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Scalable and Reconfigurable Optical Switches: From Network Design to System Application
… flexibility, energy efficiency and high bandwidth. The current optical switch fabric using Microelectromechanical systems (MEMs) technology can achieve up to 1000 ports but is limited by the low tolerance to external disturbance and complex control panels. With the development of InP and …