A5045557917- Optical Network Technologies
- Photonic and Optical Devices
- Advanced Fiber Laser Technologies
- Optical Wireless Communication Technologies
- Advanced X-ray Imaging Techniques
- Crystallography and Radiation Phenomena
- Advanced Photonic Communication Systems
- Particle Accelerators and Free-Electron Lasers
- Advanced Optical Network Technologies
- Semiconductor Lasers and Optical Devices
Argonne National Laboratory
2024
University of Oklahoma
2019
University of California, Santa Barbara
2002-2003
A novel two-stage multimode interference 1 /spl times/ 2 light splitter is proposed and fabricated in indium phosphide. The new design shorter by as much 50% than a standard multimode-interference with the same output waveguide spacing. It has low inherent loss of 0.29 dB, excess 1.5 dB over 80-nm range, imbalance less 0.25 100 nm.
The success of x-ray free-electron lasers (XFELs) in recent years has greatly advanced many scientific fields. However, most these XFELs suffer from a low longitudinal coherence and instabilities due to the stochastic start-up process. A cavity-based laser (CBXFEL) is possible future direction development fully coherent stable sources. One challenges CBXFEL requirement for <a:math xmlns:a="http://www.w3.org/1998/Math/MathML" display="inline"><a:mrow><a:mi mathvariant="normal">μ</a:mi><a:mi...
Mobile and embedded applications are emerging in the growing field of free space optical links (FSOL). Some mobile for FSOL include spacecraft, aircraft, automotive. These by nature require low size weight power (SWaP) solutions. The main challenge with any system is strict pointing requirements. Common solutions to alignment gimbals, fast steering mirrors, adaptive optics. All which provide viable at cost increased SWaP. Previously, we presented use both large core fibers double clad (DCF)...
Multimode interference (MMI)-based devices have become important components within photonic and optoelectronic integrated circuits, due to their simple structure, low excess loss, large optical bandwidth polarization dependence. Their main function is provide N×N power splitting [1,2] in Mach Zehnder interferometers, ring lasers switches, 3-dB couplers [3], 1×2 light splitters combiners. MMI are based on the principle of self-imaging. An input field profile a multimode waveguide reproduced...