423 citations · 1.1k across the 13 of their papers we have counts for
15 papers
Graphene Electro-Absorption Modulators for Energy-Efficient and High-Speed Optical Transceivers
M. Tiberi, A. Montanaro, C. Wen +19
The increasing demand for energy-efficient hardware for artificial intelligence (AI) and data centres requires integrated photonic solutions delivering optical transceivers with Tb…
Terahertz photodetection in scalable single-layer-graphene and hexagonal boron nitride heterostructures
M. Asgari, L. Viti, O. Balci +12
The unique optoelectronic properties of single layer graphene (SLG) are ideal for the development of photonic devices across a broad range of frequencies, from X-rays to microwaves…
Electrically tuneable nonequilibrium optical response of graphene
Eva A. A. Pogna, Andrea Tomadin, Osman Balci +9
The ability to tune the optical response of a material via electrostatic gating is crucial for optoelectronic applications, such as electro-optic modulators, saturable absorbers, o…
Tunable, grating-gated, graphene-on-polyimide terahertz modulators
Alessandra Di Gaspare, Eva A. A. Pogna, Luca Salemi +10
We present an electrically switchable graphene terahertz (THz) modulator with a tunable-by-design optical bandwidth and we exploit it to compensate the cavity dispersion of a quant…
High-responsivity graphene photodetectors integrated on silicon microring resonators
Simone Schuler, Jakob E. Muench, Alfonso Ruocco +9
Graphene integrated photonics provides several advantages over conventional Si photonics. Single layer graphene (SLG) enables fast, broadband, and energy-efficient electro-optic mo…
Graphene Overcoats for Ultra-High Storage Density Magnetic Media
N. Dwivedi, A. K. Ott, K. Sasikumar +10
Hard disk drives (HDDs) are used as secondary storage in a number of digital electronic devices owing to low cost (0.1$/GB at 2016 prices) and large data storage capacity (10TB…
Hot electrons modulation of third harmonic generation in graphene
G. Soavi, G. Wang, H. Rostami +8
Hot electrons dominate the ultrafast (fs-ps) optical and electronic properties of metals and semiconductors and they are exploited in a variety of applications including phot…
Graphene Based Adaptive Thermal Camouflage
Omer Salihoglu, Hasan Burkay Uzlu, Ozan Yakar +7
In nature adaptive coloration has been effectively utilized for concealment and signaling. Various biological mechanisms have evolved that can tune the reflectivity for visible and…
Graphene Based Terahertz Phase Modulators
Nurbek Kakenov, M Said Ergoktas, Osman Balci +1
Electrical control of amplitude and phase of terahertz radiation (THz) is the key technological challenge for high resolution and noninvasive THz imaging. The lack of an active mat…
Controlling phase of microwaves with active graphene surfaces
Osman Balci, Nurbek Kakenov, Coskun Kocabas
In this letter, we report a method to control reflection phase of microwaves using electrically tunable graphene devices. The device consists of mutually gated large-area graphene…
Weighting graphene with QCM to monitor interfacial mass changes
Nurbek Kakenov, Osman Balci, Omer Salihoglu +3
In this Letter, using quartz crystal microbalance (QCM), we experimentally determined the mass density of graphene grown by chemical vapor deposition method. We developed a transfe…
Observation of gate-tunable coherent perfect absorption of terahertz radiation in graphene
Nurbek Kakenov, Osman Balci, Taylan Takan +3
We report experimental observation of electrically-tunable coherent perfect absorption (CPA) of terahertz (THz) radiation in graphene. We develop a reflection-type tunable THz cavi…
Graphene Enabled Optoelectronics on Paper
Emre O. Polat, Hasan Burkay Uzlu, Osman Balci +3
The realization of optoelectronic devices on paper has been an outstanding challenge due to the large surface roughness and incompatible nature of paper with optical materials. Her…
Electrically Switchable Metadevices via Graphene
Osman Balci, Nurbek Kakenov, Ertugrul Karademir +6
Metamaterials bring sub-wavelength resonating structures together to overcome the limitations of conventional materials. The realization of active metadevices has been an outstandi…
Synthesis of Graphene on Gold
Tuba Oznuluer, Ercag Pince, Emre O. Polat +3
Here we report chemical vapor deposition of graphene on gold surface at ambient pressure. We studied effects of the growth temperature, pressure and cooling process on the grown gr…