476 citations · 1.2k across the 25 of their papers we have counts for
26 papers
Photothermal Microscopy & Spectroscopy with Nanomechanical Resonators
Robert G. West, Kostas Kanellopulos, Silvan Schmid
In nanomechanical photothermal absorption spectroscopy and microscopy, the measured substance becomes a part of the detection system itself, inducing a nanomechanical resonance fre…
Nanomechanical Photothermal Near Infrared Spectromicroscopy of Individual Nanorods
Kostas Kanellopulos, Robert G. West, Silvan Schmid
Understanding light-matter interaction at the nanoscale requires probing the optical properties of matter at the individual nano-absorber level. To this end, we have developed a na…
Resonance frequency tracking schemes for micro- and nanomechanical resonators
Hajrudin Bešić, Alper Demir, Johannes Steurer +2
Nanomechanical resonators can serve as high performance detectors and have potential to be widely used in the industry for a variety of applications. Most nanomechanical sensing ap…
Towards practical mass spectrometry with nanomechanical pillar resonators by surface acoustic wave transduction
Hendrik Kähler, Robert Winkler, Holger Arthaber +2
Nanoelectromechanical systems (NEMS) have proven outstanding performance in the detection of small masses down to single proton sensitivity. To obtain a high enough throughput for…
Nanomechanical absorption spectroscopy of 2D materials with femtowatt sensitivity
Jan N. Kirchhof, Yuefeng Yu, Denis Yagodkin +9
Nanomechanical spectroscopy (NMS) is a recently developed approach to determine optical absorption spectra of nanoscale materials via mechanical measurements. It is based on measur…
Transduction of single nanomechanical pillar resonators by scattering of surface acoustic waves
Hendrik Kähler, Holger Arthaber, Robert Winkler +4
One of the challenges of nanoelectromechanical systems (NEMS) is the effective transduction of the tiny resonators. Vertical structures, such as nanomechanical pillar resonators, w…
Design Considerations of Gold Nanoantenna Dimers for Plasmomechanical Transduction
Zubair Buch, Silvan Schmid
Internal optical forces emerging from plasmonic interactions in gold nanodisc, nanocube and nanobar dimers were studied by finite element method. A direct correlation between the e…
Thermal IR detection with nanoelectromechanical silicon nitride trampoline resonators
Markus Piller, Johannes Hiesberger, Elisabeth Wistrela +3
Nanoelectromechanical (NEMS) resonators are promising uncooled thermal infrared (IR) detectors to overcome existing sensitivity limits. Here, we investigated nanoelectromechanical…
Analysis of carbon content in direct-write plasmonic Au structures by nanomechanical scanning absorption microscopy
Miao-Hsuan Chien, Mostafa M. Shawrav, Kurt Hingerl +4
The determination of the chemical content is crucial for the quality control in high-precision device fabrication and advanced process development. For reliable chemical compositio…
Frequency fluctuations in nanomechanical silicon nitride string resonators
Pedram Sadeghi, Alper Demir, Luis Guillermo Villanueva +2
High quality factor () nanomechanical resonators have received a lot of attention for sensor applications with unprecedented sensitivity. Despite the large interest, few investi…
Surface acoustic wave coupling between micromechanical resonators
Hendrik Kähler, Daniel Platz, Silvan Schmid
The coupling of micro- or nanomechanical resonators via a shared substrate is intensively exploited to built systems for fundamental studies and practical applications. So far, the…
Thermal transport and frequency response of localized modes on low-stress nanomechanical silicon nitride drums featuring a phononic bandgap structure
Pedram Sadeghi, Manuel Tanzer, Niklas Luhmann +3
Development of broadband thermal sensors for the detection of, among others, radiation, single nanoparticles, or single molecules is of great interest. In recent years, phototherma…
Thermal radiation dominated heat transfer in nanomechanical silicon nitride drum resonators
Markus Piller, Pedram Sadeghi, Robert G. West +4
Nanomechanical silicon nitride (SiN) drum resonators are currently employed in various fields of applications that arise from their unprecedented frequency response to physical qua…
Towards nanoelectromechanical photothermal localization microscopy
Miao-Hsuan Chien, Silvan Schmid
Single-molecule microscopy has become an indispensable tool for biochemical analysis. The capability of characterizing distinct properties of individual molecules without averaging…
A nanoelectromechanical position-sensitive detector with picometer resolution
Miao-Hsuan Chien, Johannes Steurer, Pedram Sadeghi +2
Sub-nanometer displacement detection lays the solid foundation for critical applications in modern metrology. In-plane displacement sensing, however, is mainly dominated by the det…
Spectrally Broadband Electro-Optic Modulation with Nanoelectromechanical String Resonators
Nicolas Cazier, Pedram Sadeghi, Miao-Hsuan Chien +2
In this paper, we present an electro-optical modulator made of two parallel nanoelectromechanical silicon nitride string resonators. These strings are covered with electrically con…
Influence of clamp-widening on the quality factor of nanomechanical silicon nitride resonators
Pedram Sadeghi, Manuel Tanzer, Simon L. Christensen +1
Nanomechanical resonators based on strained silicon nitride (SiN) have received a large amount of attention in fields such as sensing and quantum optomechanics due to their…
Single-molecule optical absorption imaging by nanomechanical photothermal sensing at room temperature
Miao-Hsuan Chien, Mario Brameshuber, Gerhard J. Schütz +1
Absorption microscopy is a powerful technique, enabling the detection of single non- fluorescent molecules at room temperature. So far, the molecular absorption has been probed opt…
Effect of oxygen plasma on nanomechanical silicon nitride resonators
Niklas Luhmann, Artur Jachimowicz, Johannes Schalko +4
Precise control of tensile stress and intrinsic damping is crucial for the optimal design of nanomechanical systems for sensor applications and quantum optomechanics in particular.…
Position and Mode Dependent Optical Detection Back-Action in Cantilever Beam Resonators
T. Larsen. S. Schmid, S. Dohn, J. E. Sader +2
Optical detection back-action in cantilever resonant or static detection presents a challenge when striving for state-of-the-art performance. The origin and possible routes for min…
Evidence of surface loss as ubiquitous limiting damping mechanism in SiN micro- and nanomechanical resonators
Luis Guillermo Villanueva, Silvan Schmid
Silicon nitride (SiN) micro- and nanomechanical resonators have attracted a lot of attention in various research fields due to their exceptionally high quality factors (s). Desp…
Non-linear optomechanical measurement of mechanical motion
G. A. Brawley, M. R. Vanner, P. E. Larsen +3
Precision measurement of non-linear observables is an important goal in all facets of quantum optics. This allows measurement-based non-classical state preparation, which has been…
Demonstration of suppressed phonon tunneling losses in phononic bandgap shielded membrane resonators for high-Q optomechanics
Yeghishe Tsaturyan, Andreas Barg, Anders Simonsen +4
Dielectric membranes with exceptional mechanical and optical properties present one of the most promising platforms in quantum opto-mechanics. The performance of stressed silicon n…
Low-power photothermal probing of single plasmonic nanostructures with nanomechanical string resonators
Silvan Schmid, Kaiyu Wu, Peter Emil Larsen +2
We demonstrate the direct photothermal probing and mapping of single plasmonic nanostructures via the temperature induced detuning of nanomechanical string resonators. Single Au na…