Title :
Terahertz absorption saturation in intrinsic silicon dielectric ridge waveguides
Author :
Shanshan Li ; Kumar, Girish ; Murphy, Thomas E.
Author_Institution :
Inst. for Res. in Electron. & Appl. Phys., Univ. of Maryland, College Park, MD, USA
Abstract :
We measure the transmission of terahertz pulses through an intrinsic silicon waveguide, and observe a decrease in absorption at higher terahertz fields. The effect is enhanced when photocarriers are introduced by top-illuminating the waveguide.
Keywords :
elemental semiconductors; optical saturable absorption; ridge waveguides; silicon; terahertz wave generation; Si; intrinsic silicon dielectric ridge waveguides; photocarriers; terahertz absorption saturation; terahertz fields; terahertz pulse transmission; top illumination; Absorption; Dielectric measurement; Dielectrics; Optical waveguides; Pulse measurements; Semiconductor waveguides; Silicon;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2014 Conference on
Conference_Location :
San Jose, CA
