Graphene plasmonics: physics and potential applications
Plasmon in graphene possesses many unique properties. It originates from the collective motion of massless Dirac fermions, and the carrier density dependence is distinctively different from conventional plasmons. In addition, graphene plasmon is highly …
Integration of 2D materials on a silicon photonics platform for optoelectronics applications
Owing to enormous growth in both data storage and the demand for high-performance computing, there has been a major effort to integrate telecom networks on-chip. Silicon photonics is an ideal candidate, thanks to the maturity and economics of current CMOS …
Resonant quenching of Raman scattering due to out-of-plane A1g/A?1 modes in few-layer MoTe2
Temperature-dependent (5 K–300 K) Raman scattering study of A1g/A?1 phonon modes in mono-layer (1L), bilayer (2L), trilayer (3L), and tetralayer (4L) MoTe2 is reported. The temperature evolution of the modes’ intensity critically depends on the flake …
Spectroscopic investigation of defects in two-dimensional materials
Two-dimensional (2D) materials have been extensively studied in recent years due to their unique properties and great potential for applications. Different types of structural defects could present in 2D materials and have strong influence on their …
Active 2D materials for on-chip nanophotonics and quantum optics
Two-dimensional materials have emerged as promising candidates to augment existing optical networks for metrology, sensing, and telecommunication, both in the classical and quantum mechanical regimes. Here, we review the development of several on-chip …
High-response hybrid quantum dots- 2D conductor phototransistors: recent progress and perspectives
Having been inspired by the tremendous progress in material nanoscience and device nanoengineering, hybrid phototransistors combine solution processed colloidal semiconductor quantum dots (QDs) with graphene or two-dimensional (2D) semiconductor materials. …
Optical properties of atomically thin transition metal dichalcogenides: observations and puzzles
Recent results on the optical properties of monolayer and few layers of semiconducting transition metal dichalcogenides are reviewed. Experimental observations are presented and discussed in the frame of existing models, highlighting the limits of our …
Flatland plasmonics and nanophotonics based on graphene and beyond
In this paper, we review and discuss how the recently discovered two-dimensional (2D) Dirac materials, particularly graphene, may be utilized as new efficient platforms for excitations of propagating and localized surface plasmon polaritons (SPPs) in the …
Excitons in atomically thin 2D semiconductors and their applications
The research on emerging layered two-dimensional (2D) semiconductors, such as molybdenum disulfide (MoS2), reveals unique optical properties generating significant interest. Experimentally, these materials were observed to host extremely strong light-matter …
Monolithic optoelectronic integrated broadband optical receiver with graphene photodetectors
Optical receivers with potentially high operation bandwidth and low cost have received considerable interest due to rapidly growing data traffic and potential Tb/s optical interconnect requirements. Experimental realization of 65 GHz optical signal detection …
Special issue: 2D materials
The isolation of graphene and its unique optoelectronic properties paved the way for the exploration of other atomically thin or 2D materials. While only a few 2D crystals and their combinations have been explored thus far, this field is without doubt one of …