Sam Lin

4 Questions 3 Answers 0 Followers

Questions related from Sam Lin

Can wire bonds short the pads and underlying conductor layers?

I'd like to wire bond to a 100 nm Au layer, but I think I am penetrating the underlying dielectric and shorting the underlying gold layer. Layer stack: 100 nm Au (pad) 300 nm SiO2 100 nm...

17 December 2022 7,167 1 View

Lithium niobate does not become depolarized in optical modulators?

Papers reporting on devices such as this Mach-Zehnder modulator: High-performance hybrid silicon and lithium niobate Mach–Zehnder modulators for 100 Gbit s−1 and beyond

08 February 2022 8,633 4 View

In graphene, why is a 4 V gate voltage needed to Pauli-block interband transitions of 0.8 eV?

Please help me understand: I don’t understand why the drive voltage in this paper needs to be so high to allow light transmission: https://www.nature.com/articles/nature10067

23 April 2021 7,082 1 View

In calculating the Berry curvature of a band of a lossy, frequency dispersive photonic crystal, what is the inner product expression to use?

I am following the steps outlined in Band topology in classical waves: Wilson-loop approach to to... to calculate topological constants for a certain photonic crystal with loss and dielectric...

11 March 2021 2,701 0 View