M Pascal

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We propose two designs of nanoscale sub-fF germanium photodiodes which are efficiently integrated with silicon waveguides. The metal-optic cavities are simulated with the finite difference time domain method and optimized using critical coupling concepts. One design is for a metal semiconductor metal photodiode with <200 aF capacitance, 39% external quantum(More)
The trigeminal spinal tractotomy of Sjoqvist can be enlarged and give a very good result on cancer pain of face and throat. When pain is also cervical, it is usefull to associate with the Sjoqvist operation two important procedures: 1 degree--Instead of a simple posterior cervical radicotomy it seems best to practise a selective posterior radicellotomy.(More)
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