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C-shaped nanoaperture-enhanced germanium photodetector
Liang Tang1, David A Miller, Ali K Okyay
1Ginzton Laboratory, Stanford University, California 94305, USA. liangt@stanford.edu
Optics Letters
|April 28, 2006
Abstract:
We present a C-shaped nanoaperture-enhanced Ge photodetector that shows 2-5 times the photocurrent enhancement over that from a square aperture of the same area at 1310 nm wavelength. We demonstrate the polarization dependence of the C-aperture photodetector over a wide wavelength range. Our experimental observation agrees well with finite-difference time-domain simulation results.
