Monthly archives for October, 2016

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Acoustic terahertz graphene plasmons revealed by photocurr...

Acoustic terahertz graphene plasmons revealed by photocurrent nanoscopy

  Terahertz (THz) fields are widely used for sensing, communication and quality control. In future applications, they could be efficiently confined, enhanced and manipulated well below the classical diffraction limit through the excitation of graphene plasmons (GPs).

Large-Area Low-Cost Plasmonic Perfect Absorber Chemical Se...

Large-Area Low-Cost Plasmonic Perfect Absorber Chemical Sensor Fabricated by Laser Interference Lithography

Bagheri et al. (2016) employ laser interference lithography as a reliable and low-cost fabrication method to create nanowire and nanosquare arrays in photopolymers for manufacturing plasmonic perfect absorber sensors over homogeneous areas as large as 5.7 cm2. Subsequently, they transfer the fabricated patterns into a palladium layer by using argon ion beam etching. Geometry and periodicity […]

Thesis Defense

Thesis Defense

  Congratulations to Mr Norouzi for his master thesis defense! Logo is taken from http://www.hippoquotes.com/graduation-quotes-for-high-school-friends.

Infrared Plasmonic Biosensor for Real-Time and Label-Free ...

Infrared Plasmonic Biosensor for Real-Time and Label-Free Monitoring of Lipid Membranes

    Odeta Limaj et al., report infrared plasmonic biosensor for real-time and lable-free monitoring of lipid membranes. In this work, they present an infrared plasmonic biosensor for chemical-specific detection and monitoring of biomimetic lipid membranes in a label-free and real-time fashion. Lipid membranes constitute the primary biological interface mediating cell signaling and interaction with […]

Plasmonic Lasers Get a Sharper Focus

RESEARCH NEWS Plasmonic Lasers Get a Sharper Focus Stewart Wills   In the Lehigh team’s “antenna feedback” approach, the plasmonic-laser cavity is enclosed between two metal films, with periodic slits on the top film. One SPP wave is confined inside the 10-micron-thick cavity; the other, with a larger spatial extent, is located on top of […]

Self-consistent description of graphene quantum amplifier

Self-consistent description of graphene quantum amplifier

The development of active and passive plasmonic devices is challenging due to the high level of dissipation in normal metals. One possible solution to this problem is using alternative materials. Graphene is a good candidate for plasmonics in the near-infrared region. In this paper, we develop a quantum theory of a graphene plasmon generator. Lozovic […]

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