Abstract
Maxwell invented a refractive-index profile where light goes in circles and every point is focused. A device with such a profile is called the Maxwell fisheye and it is an absolute optical instrument: it has the ability to collect all rays from any emitting source and recombine them in phase at the corresponding focal point inside the device. Absolute optical instruments may find diverse applications if they can be made in integrated optics on a silicon chip for infrared light. We have fabricated the Maxwell fisheye in silicon photonics and have demonstrated its focusing properties. Our fabrication technique can also be applied to the manufacturing of other devices where smooth and sharp structures need to be made in one lithography step.
| Original language | English |
|---|---|
| Article number | 044059 |
| Number of pages | 8 |
| Journal | Physical Review Applied |
| Volume | 10 |
| Issue number | 4 |
| DOIs | |
| Publication status | Published - 25 Oct 2018 |
Funding
We are grateful for illuminating discussions with Guy Bartal, David Lishan, Dan Oron, Sahar Sahebdivan, and Alexander Yoffe. This research was supported by the European Research Council and the Israel Science Foundation, a research grant from Mr. and Mrs. Louis Rosenmayer and from Mr. and Mrs. James Nathan, and the Murray B. Koffler Professorial Chair. O.B. and R.B. contributed equally. O.B fabricated the device, R.B. carried out the experiment, and U.L. designed the device. All of the authors discussed the results and contributed to the writing of the paper.