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The use of 3-layer staggered InGaN quantum wells light-emitting diodes at 520-525 nm, grown by metal-organic chemical vapor deposition with graded-temperature profile, resulted in increase in efficiency and output power by 2-times.
The authors have proposed a photon-emitting LED (light-emitting diode) combined with superconducting electrodes, which is expected to be an on-demand entangled photon pair source. The main mechanism is based on the coherent spatial extension of the Cooper-pair states to the photon emitting layer, which is expected to enhance the oscillator strength of the radiative recombination processes by the Cooper-pair...
Application fields of light emitting diodes (LEDs) are expanding in various fields. Development of LED-based single photon sources is expected to open a new possibility to expand the applications to quantum information communication and processing. The authors have proposed a photon-emitting LED combined with superconducting electrodes, which is expected to be an on-demand entangled photon pair source...
To demonstrate the contribution of Cooper pairs to radiative recombination in a semiconductor, a n-InGaAs/p-InP light emitting diode with superconducting Nb electrodes was fabricated. Electroluminescence as well as photoluminescence from the n-InGaAs into which electron Cooper pairs were expected to penetrate from the superconducting Nb electrodes by the proximity effect was drastically enhanced at...
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