output
20152018
most citedPlasmonically enhanced graphene photodetector featuring 100 GBd, high-responsivity and compact size

236 citations

5 papers

physics.optics2018★ 236 cited

Plasmonically enhanced graphene photodetector featuring 100 GBd, high-responsivity and compact size

Ping Ma, Yannick Salamin, Benedikt Baeuerle +5

Graphene has shown great potentials for high-speed photodetection. Yet, the responsivities of graphene-based high-speed photodetectors are commonly limited by the weak effective ab…

cond-mat.mtrl-sci2016★ 15 cited

Laser-induced asymmetric faceting and growth of nano-protrusion on a tungsten tip

Hirofumi Yanagisawa, Vahur Zadin, Karsten Kunze +7

Irradiation of a sharp tungsten tip by a femtosecond laser and exposed to a strong DC electric field led to gradual and reproducible surface modifications. By a combination of fiel…

physics.optics2016★ 121 cited

The Optical Chirality Flux as a Useful Far-Field Probe of Chiral Near Fields

Lisa V. Poulikakos, Philipp Gutsche, Kevin M. McPeak +4

To optimize the interaction between chiral matter and highly twisted light, quantities that can help characterize chiral electromagnetic fields near nanostructures are needed. Here…

physics.optics2015★ 158 cited

Single Atom Plasmonic Switch

Alexandros Emboras, Jens Niegemann, Ping Ma +5

The atom sets an ultimate scaling limit to Moores law in the electronics industry. And while electronics research already explores atomic scales devices, photonics research still d…

physics.optics2015★ 9 cited

Optical loss by surface transfer doping in silicon waveguides

Luca Alloatti, Christian Koos, Juerg Leuthold

We show that undoped silicon waveguides may suffer of up to 1.8 dB/cm free-carrier absorption caused by improper surface passivation. To verify the effects of free-carriers we appl…