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

27 October 2019 0 6K Report

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 getting is not overlapping.

More Riazul Arefin's questions See All

What is the importance of nanoparticles in the treatment approaches of corona?

I have studies some papers on the use of nanoparticles for treatment of corona. Can you please explain the utility of using this?

09 August 2020 3,590 8 View

What is the best method for preservation of natural dyes? What is the best solvent for the longevity of natural dye?

Preservation of natural food color

09 August 2020 7,968 1 View

Can you please suggest some papers on medicinal properties of bromelin from pineapples?

Characteristics of bromelin

23 March 2020 9,435 4 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...

10 September 2019 8,517 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...

08 September 2019 8,982 4 View

Is it possible to use data of my own published paper for a new paper to compare statistical correlation?

I published a paper based on some data like microsphere preparation with a polymer. In a different paper, I used data on a different polymer. Now I want to use polymer combination and find some...

28 August 2019 7,432 53 View

What is the proper method to determine the pH of a facial cleanser or face wash?

What is the proper method to determine the pH of a facial cleanser or face wash? I would like to study the pH of marketed available face washes. I want to know whether it is possible to direct...

11 August 2019 9,818 3 View

For microsphere formation, should we check polymer polymer compatibility?

For microsphere formation, we often check drug and polymer compatibility. For using combination of polymer in a microsphere formulation, is there any requirement to check polymer polymer...

06 August 2019 3,987 5 View

What are the common adulterants used in spices?

What are the adulterants used in different spices like turmeric, chilli powder, coriander powder, cumin powder, black pepper, cinnamon powder etc? I am looking for categorized answers. Looking...

05 August 2019 7,707 20 View

Can anyone suggest cosmeceutical journal with atleast an average impact factor that publishes articles for free?

Please suggest cosmeceutical journal with atleast an average impact factor that publishes article free of cost

01 January 1970 9,858 5 View

Glass fiber content in a gypsum board ?

Any idea on how to get the volumic ratio of glass fiber in a gypsum board ? Thank you for your help !

01 March 2021 2,501 3 View

How to highlight novelty in your research paper?

I have come up with a method and had written a paper on it. Paper got rejected by a journal stating that there is no theoretical novelty. I am kind of confused on why the novelty that I am able to...

28 February 2021 2,393 8 View

How can we limit artifacts caused by rotation in fiber photometry?

We are trying to run fiber photometry experiments for long time scales, but we get these sinusoidal artifacts that come up. We think they may be caused by twisting of the fiber optic subject...

25 February 2021 568 1 View

Why is My firend's profile not visible?

Hello, I created a profile for my friend on google scholar. I have added a verified email address. I marked the profile as public. Formerly his profile was visible. However, now, When I type his...

24 February 2021 8,680 3 View

Can MicroRNA cross the blood brain barrier?

In diseased conditions, many genes and gene products are visible in the bloodstream. So my question is whether we can find traces of microRNA which is involved in disease and disorder in blood serum?

24 February 2021 7,064 3 View

How to properly calculate Interfacial area density in a porous domain?which are possible value for glass fiber?

I'm doing a cfx simulation of a multiphase flow in pultrusion and i set the Interfacial Area density in the heat exchange of a porous medium in this way IAD=Total fiber lateral surface of fiber...

23 February 2021 6,043 1 View

How can we add reinforced thermoplastics with granules in injection molding machine?

I need to make an injection molding machine in which short fibers are to be introduced. Short fiber length and material properties are to be determined and also the material strength are to be...

22 February 2021 4,290 1 View

Staining methods for skeletal muscle fiber typing?

does anyone know the best method to differentiate and quantify rapid fatiguing and fatigue resistant muscle fibers? the old method form the 1980's uses ATP staining which is quite labor intense?

21 February 2021 6,483 3 View

Droplet PCR in plastic chips always result an unexpected band, any suggestion of possible contaminations and how to improve?

I am doing droplet based digital PCR inside plastic chips. I can get the correct band, but I also consistently get an unexpected band, slightly shorter. I attached a typical gel image here....

18 February 2021 6,618 2 View

Why the storage moduli E' decrease with highr fiber volume?

Hi guys, I am facing problems to interpret a DMA results. Material: Composite Bisphenol A + curaua fiber What is being tested: the influence of fiber volume on the composites properties...

12 February 2021 174 7 View