Stefano Penna

6 Questions 25 Answers 0 Followers

Questions related from Stefano Penna

Which Scientific journal to publish a review about data center efficiency metrics would you suggest ?

Recently I had a preliminary study for a project and collected a wide amount of info about the metrics and the standards for the energy efficiency in data center networks defined all around the...

02 February 2016 5,853 2 View

How can I approximate the Poynting Vector in a slot waveguide for a TE mode, in COMSOL?

The design of an optical slot waveguide typically aims to achieve an intensity of a x-component of the E-field that is much higher than the other components, leading to a quasi TE-condition. In...

07 July 2015 3,394 1 View

Which thermoplastic has the highest IR transmittance at 1550 nm ?

To achieve low cost process and materials into integrated photonic devices, plastics represent a good alternative even if many concerns derive from typical poor performance and durability....

03 March 2015 5,373 3 View

Hints or tricks to design a Slot waveguide photonic modulator with COMSOL as a COMSOL beginner ?

After reading some papers on photonic organic modulators, I started evaluation of COMSOL to optimize the overlap of the RF electrical field and the optical field of the travelling wave.The layout...

01 January 2015 1,207 9 View

Why does the square relation between the relative permittivity and the refractive index seem to be not applied to Silica?

While performing e.m. simulations, often permittivity or refractive index values are required for materials settings. From what reported in literature, I noted that in Silicon Dioxide the general...

01 January 2015 391 12 View

In the layout optimization of an EO Modulator, is the effective area to be optimized related to the optical field or to the applied electric field ?

I have to design the layout of an electro-optic modulator using a slot waveguide structure. In the papers from Christian Koos (Karlsruhe Institute of Technology), in particular Optics Express 15,...

10 October 2014 6,641 7 View