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Heating of poly(methyl methacrylate) ridge optical waveguides slightly above glass transition temperature minimizes surface roughness and provides cylindrical shape. We experimentally demonstrate propagation loss decrease and polarization insensitivity as a result of waveguide thermal treatment.
The cloud services together with the huge size datasets are driving demand for bandwidth in datacenters [1]. The 400 Gbps client-side links are demanding cost efficient solution: to reduce the number of lanes and increase the bandwidth for a single lane. The intensity modulation and direct-detection systems together with integrated semiconductor lasers and modulators appear as promising solution in...
In coherent optical systems with electronic dispersion compensation (EDC) after digital signal processing (DSP) the received constellation remains impacted by enhanced noise commonly known as equalization-enhanced phase noise (EEPN) [1]. The enhanced noise is mainly generated due to low frequency noise of the local oscillator as shown in [2]. This impairment limits to achieve higher capacity and/or...
Thrombosis is a common pathology underlying ischemic heart disease, ischemic stroke, and venous thromboembolism (VTE). The Global Burden of Disease Study 2010 (GBD 2010) documented that ischemic heart disease and stroke collectively caused one in four deaths worldwide. GBD 2010 did not report data for VTE as a cause of death and disability. We performed a systematic review of the literature on the...
Lepidopterans as other insects have a very potent innate immune system, which basically comprises cellular and humoral defence mechanisms against bacterial and fungal infections. In lepidopterans, not much is known about the defence mechanisms against viral pathogens, such as baculoviruses. Here we show that small silk proteins of the domesticated silkworm, Bombyx mori, called seroins, act as antiviral...
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