We describe the fabrication and measurement of a terahertz bandpass filter based on porous silicon. The device is constructed by electrochemically etching silicon to produce a Bragg mirror comprised of alternating nanoporous silicon layers.
© 2009 The Optical Society
S. A. Lo and T. E. Murphy, "Porous Silicon Based Terahertz Bragg Grating Filter," in Conference on Lasers and Electro-Optics/International Quantum Electronics Conference, OSA Technical Digest (CD) (Optical Society of America, 2009), paper CThFF3.
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