Self-powered multifunctional sensing based on super-elastic fibers by soluble-core thermal drawing

M Chen, Z Wang, Q Zhang, Z Wang, W Liu… - Nature …, 2021 - nature.com
The well-developed preform-to-fiber thermal drawing technique owns the benefit to maintain
the cross-section architecture and obtain an individual micro-scale strand of fiber with the …

Nanoscale nonlinear plasmonics in photonic waveguides and circuits

A Tuniz - La Rivista del Nuovo Cimento, 2021 - Springer
Optical waveguides are the key building block of optical fiber and photonic integrated circuit
technology, which can benefit from active photonic manipulation to complement their …

High external-efficiency nanofocusing for lens-free near-field optical nanoscopy

S Kim, N Yu, X Ma, Y Zhu, Q Liu, M Liu, R Yan - Nature Photonics, 2019 - nature.com
Efficient, broadband illumination and collection through a nanometre-sized hotspot carried
by a scanning probe will endow light–matter interaction research with nanoscale spatial …

Interfacing optical fibers with plasmonic nanoconcentrators

A Tuniz, MA Schmidt - Nanophotonics, 2018 - degruyter.com
The concentration of light to deep-subwavelength dimensions plays a key role in
nanophotonics and has the potential to bring major breakthroughs in fields demanding to …

Directional Coupling to a λ/5000 Nanowaveguide

A Tuniz, S Garattoni, HH Cheng, G Della Valle - ACS nano, 2024 - ACS Publications
Silicon-based microdevices are considered promising candidates for consolidating several
terahertz technologies into a common and practical platform. The practicality stems from the …

Tuning the Effective Phase of Plasmonic Eigenmodes

A Tuniz, T Wieduwilt, MA Schmidt - Physical Review Letters, 2019 - APS
We experimentally observe an effective PT-phase transition through the exceptional point in
a hybrid plasmonic-dielectric waveguide system. Transmission experiments reveal …

Coupled mode theory for plasmonic couplers

A Tuniz, AY Song, G Della Valle… - Applied Physics …, 2024 - pubs.aip.org
Photonic integrated circuits play an increasingly important role in several emerging
technologies. Their functionality arises from a combination of integrated components, eg …

Hybrid-mode-assisted long-distance excitation of short-range surface plasmons in a nanotip-enhanced step-index fiber

A Tuniz, M Chemnitz, J Dellith, S Weidlich… - Nano …, 2017 - ACS Publications
We propose and experimentally demonstrate a monolithic nanowire-enhanced fiber-based
nanoprobe for the broadband delivery of light (550–730 nm) to a deep subwavelength scale …

Monolithic optofluidic mode coupler for broadband thermo-and piezo-optical characterization of liquids

S Pumpe, M Chemnitz, J Kobelke, MA Schmidt - Optics express, 2017 - opg.optica.org
We present a monolithic fiber device that enables investigation of the thermo-and piezo-
optical properties of liquids using straightforward broadband transmission measurements …

Robust location of optical fiber modes via the argument principle method

PY Chen, Y Sivan - Computer Physics Communications, 2017 - Elsevier
We implement a robust, globally convergent root search method for transcendental
equations guaranteed to locate all complex roots within a specified search domain, based …