Entries tagged with Clifton Fonstad

• Clifton G. Fonstad, Jr.

  • Compound semiconductor heterostructure devices and physics. Optoelectronics: laser diodes, photodiodes, quantum effect devices, and optoelctronic integrated circuits. Monolithic heterogeneous integration. µ-scale thermophotovoltaics.

• Co-axial Integration of III-V Ridge-waveguide Laser Diodes with SiO_xN_y Waveguides on Silicon

  • Our ongoing research integrating 1.55-µm III-V ridge waveguide gain elements (i.e., diode lasers and semiconductor optical amplifiers) co-axially aligned with…

• High Channel-count Silicon Neural Recording Probes for 3-D Characterization of Neural Dynamics

  • Optogenetics is commonly used for precision modulation of the activity of specific neurons within neural circuits [1] , but assessing…

• Magnetically-assisted Assembly, Alignment, and Orientation of Micro-scale Components

  • The use of magnetic forces to improve fluidic self-assembly of micro-components has been investigated using Maxwell 3D to model the…

• Recess Integration of Vertical-cavity Surface-emitting Laser Pills and Edge-emitting Laser Platelets on Si

  • Optoelectronic devices intimately integrated on silicon integrated circuits have long been sought for optical intercon-nect applications, optical communications modules, and–more…

• Waveguide Micro-probes for Optical Control of Excitable Cells

  • Professor Ed Boyden uses light to precisely control neural activity.  His lab has invented safe, effective ways to deliver light-gated…