Holographic Spectral Hole Burning: From Data Storage to Information Processing
Cosimo De, Stefan Bernet, Alois Renn +1 more
The advantage of holography shows up in various technical applications. As a natural feature of holography one gains the possibility of parallel data manipulation. This chapter describes some of these applications. For instance, using phase-controlled holography it has been possible to store 2000 gray-level holograms in one spectral hole burning sample. On the other hand, logical operations, so called “molecular computing,” between data arrays are possible by generating electric field induced interferometric superpositions of holograms with a controlled phase relationship. The chapter explains the principles of holographic hole burning and provides a brief overview of the physical mechanisms of spectral hole burning. It presents an experimental arrangement for spectral hole burning, as well as the relevant results. The chapter also shows that the combination of holography with molecular properties (the Stark splitting of absorption holes in an externally applied electric field) allows nontrivial processing of data.
CRC Press eBooks•Jul 29, 2020•0 citations