[HTML][HTML] A novel approach of design and analysis of a hexagonal fractal antenna array (HFAA) for next-generation wireless communication

S Palanisamy, B Thangaraju, OI Khalaf, Y Alotaibi… - Energies, 2021 - mdpi.com
The study and exploration of massive multiple-input multiple-output (MMIMO) and millimeter-
wave wireless access technology has been spurred by a shortage of bandwidth in the …

[HTML][HTML] 500 GHz plasmonic Mach-Zehnder modulator enabling sub-THz microwave photonics

M Burla, C Hoessbacher, W Heni, C Haffner… - Apl Photonics, 2019 - pubs.aip.org
Broadband electro-optic intensity modulators are essential to convert electrical signals to the
optical domain. The growing interest in terahertz wireless applications demands modulators …

Printed photonic elements: nanoimprinting and beyond

C Zhang, H Subbaraman, Q Li, Z Pan, JG Ok… - Journal of Materials …, 2016 - pubs.rsc.org
In order to manufacture large-scale photonic devices of various dimensions at a low cost, a
number of patterning techniques have been developed. Nanoimprint lithography is among …

Photonics-based broadband microwave measurement

S Pan, J Yao - Journal of Lightwave Technology, 2016 - ieeexplore.ieee.org
Microwave measurement refers to the acquisition of parameters of a microwave signal or the
identification of properties of an object via microwave-based approaches. Thanks to the …

[HTML][HTML] Nonlinear and quantum optics with whispering gallery resonators

DV Strekalov, C Marquardt, AB Matsko… - Journal of …, 2016 - iopscience.iop.org
Optical whispering gallery modes (WGMs) derive their name from a famous acoustic
phenomenon of guiding a wave by a curved boundary observed nearly a century ago. This …

Silicon–organic and plasmonic–organic hybrid photonics

W Heni, Y Kutuvantavida, C Haffner, H Zwickel… - ACS …, 2017 - ACS Publications
Chip-scale integration of electronics and photonics is recognized as important to the future
of information technology, as is the exploitation of the best properties of electronics …

Nonlinearities of organic electro-optic materials in nanoscale slots and implications for the optimum modulator design

W Heni, C Haffner, DL Elder, AF Tillack… - Optics …, 2017 - opg.optica.org
The performance of highly nonlinear organic electro-optic (EO) materials incorporated into
nanoscale slots is examined. It is shown that EO coefficients as large as 190 pm/V can be …

Microwave plasmonic mixer in a transparent fibre–wireless link

Y Salamin, B Bäuerle, W Heni, FC Abrecht, A Josten… - Nature …, 2018 - nature.com
To cope with the high bandwidth requirements of wireless applications, carrier frequencies
are shifting towards the millimetre-wave and terahertz bands,,–. Conversely, data is normally …

High performance optical modulator based on electro-optic polymer filled silicon slot photonic crystal waveguide

X Zhang, CJ Chung, A Hosseini… - Journal of Lightwave …, 2016 - opg.optica.org
Silicon-organic hybrid integrated devices have emerging applications ranging from high-
speed optical interconnects to photonic electromagnetic-field sensors. Silicon slot photonic …

Direct conversion of free space millimeter waves to optical domain by plasmonic modulator antenna

Y Salamin, W Heni, C Haffner, Y Fedoryshyn… - Nano …, 2015 - ACS Publications
A scheme for the direct conversion of millimeter and THz waves to optical signals is
introduced. The compact device consists of a plasmonic phase modulator that is seamlessly …