TITLE

Fast burning of persistent spectral holes in small laser spots using photon-gated materials

AUTHOR(S)
Moerner, W. E.; Carter, T. P.; Bräuchle, C.
PUB. DATE
February 1987
SOURCE
Applied Physics Letters;2/23/1987, Vol. 50 Issue 8, p430
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
We report extremely fast (30 ns) burning of detectable persistent spectral holes in 200-μm-diam laser spots using a new photon-gated donor-acceptor material: a derivative of zinc-tetrabenzoporphyrin as a donor with chloroform acceptors in a poly(methylmethacrylate) thin film. The fast burning pulse near 630 nm was accompanied by a 200-ms gating pulse at 488 nm to produce the [bar_over_tilde:_approx._equal_to]1% deep spectral holes in transmission. This result illustrates one crucial advantage of photon-gated materials over single-photon materials: greatly increased reading fluences can be tolerated, allowing fast burning in small laser spots to be easily detected.
ACCESSION #
9822161

 

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