To date, holographic storage has not been on a path to mainstream use. The G.E. development, however, could be that pioneering step, according to analysts and experts. The G.E. researchers have used a different approach than past efforts. It relies on smaller, less complex holograms  a technique called microholographic storage.

Image Brian Lawrence leads G.E.s holographic storage program. Credit... Nathaniel Brooks for The New York Times

A crucial challenge for the team, which has been working on this project since 2003, has been to find the materials and techniques so that smaller holograms reflect enough light for their data patterns to be detected and retrieved.

The recent breakthrough by the team, working at the G.E. lab in Niskayuna, N.Y., north of Albany, was a 200-fold increase in the reflective power of their holograms, putting them at the bottom range of light reflections readable by current Blu-ray machines.

“We’re in the ballpark,” said Brian Lawrence, the scientist who leads G.E.’s holographic storage program. “We’ve crossed the threshold so we’re readable.”

In G.E.’s approach, the holograms are scattered across a disc in a way that is similar to the formats used in today’s CDs, conventional DVDs and Blu-ray discs. So a player that could read microholographic storage discs could also read CD, DVD and Blu-ray discs. But holographic discs, with the technology G.E. has attained, could hold 500 gigabytes of data. Blu-ray is available in 25-gigabyte and 50-gigabyte discs, and a standard DVD holds 5 gigabytes.

“If this can really be done, then G.E.’s work promises to be a huge advantage in commercializing holographic storage technology,” said Bert Hesselink, a professor at Stanford and an expert in the field.

The G.E. team plans to present its research data and lab results at an optical data storage conference in Orlando next month.