Riazul Arefin

3 Questions 3 Answers 0 Followers

Questions related from Riazul Arefin

Is the response of a vertical grating coupler will be reciprocal for chip to fiber coupling?

I am trying to design a vertical grating coupler in the visible wavelength. Shall I expect same response for coupling for both chip to fiber and fiber to chip cases? Currently, the response I am...

27 October 2019 6,140 0 View

What is the typical value of the thermal resistance of an AlGaN/GaN based laser or device?

I am trying to simulate the thermal resistance of an AlGaN/GaN based laser. Mainly, I want to see the temperature profile of the assymetric design of the paper in the attachment (Arafin et al...

11 September 2019 8,622 2 View

Hi! Can anyone tell me how the density of an Aluminium alloy varies with Al fraction in the alloy?

I know the density of Al to be 2.7gm/cm3 and density of GaN being 6.15 gm/cm3. Also found that density of Al0.1Ga0.9N to be 5.86 gm/cm3(Tomm et. al 2018). Just wondering is there any...

09 September 2019 9,123 4 View