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Total Absorption in a Graphene Monolayer in the Optical Regime by Critical Coupling with a Photonic Crystal Guided Resonance
graphene photonic crystal near-infrared critical coupling guided resonance absorption enhancement
2014/8/6
We numerically demonstrate total absorption in graphene in the near-infrared and visible wavelength ranges by means of critical coupling with guided resonances of a photonic crystal slab. In this wave...
Graphene surface plasmons at the near-infrared optical regime
Graphene surface plasmons near-infrared optical regime
2014/8/6
Graphene has been identified as an emerging horizon for a nanoscale photonic platform because the Fermi level of intrinsic graphene can be engineered to support surface plasmons (SPs). The current sol...
Widely-Tunable, Multi-Wavelength Short Wave Infrared Light Source based on Fiber Optical Parametric Oscillator
Parametric oscillators amplifiers Lasers fiber
2010/6/8
We demonstrate a fiber-optical-parametric-oscillator-based multi-wavelength pulse source operating at 1.9 μm. Multiple time- and wavelength-distinct pulse seeds were used to cover wavelength range fro...
Integrated Optical PPLN Transmitter and Receiver Modules for Wavelength Conversion of C-Band Signals to / from the Mid Infrared
Integrated Optical PPLN Transmitter Receiver Modules Wavelength Conversion C-Band Signals Mid Infrared
2008/8/4
We developed transmitter and receiver modules with Ti:PPLN waveguide operated as difference frequency generator to convert a signal (λ s ~ 1550 nm) to the mid infrared (λ i ~ 3800 nm) and back again.