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The design of a bowtie slot antenna motivated by a hybrid with a quantum dot mode locked laser (QD-MLL) is presented. For the better performance, a matching network is designed to enhance the delivered power generated by the quantum-dot mode locked laser chip. The transferred power is shown to be improved by around 5 dB. The entire design and detailed results are presented to prove the validity of...
This paper proposes a direct metal patterning method on three-dimensional structures with vertical side walls. It uses a 3-D multi-height silicon shadow mask made by double-side Deep Reactive Ion Etching (DRIE). Aluminum has been successfully patterned on the top, bottom and vertical side walls of 280mum wide trench with a depth of 250mum by sequentially tilting the wafer at three different angles...
We propose a whole architecture for English to Spanish translation of the texts present on JPEG natural scene images taken with a mobile phone camera. We detect the text using the frequency information of the DCT coefficients, binarize it using a clustering-based algorithm, recognize it by the use of an OCR algorithm and translate and phonetically transcribe it from English to Spanish. The result...
High performance quantum dot semiconductor optical amplifiers with penalty free transmission of 10 Gb/s signal with gain of -8.2 dB and 40 Gb/s transmission with pattern-effect-free, wide open eye have been demonstrated.
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