quantum dot laser


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quantum dot laser

[¦kwän·təm ′dät ‚lä·zər]
(optics)
A laser that has a dense array of equal-sized quantum dots in the active region, each with only a few thousand atoms of semiconductor material, and emits light from electronic transitions between the discrete energy levels of these quantum dots.
References in periodicals archive ?
Professor Yasuhiko Arakawa of the Research Center for Advanced Science and Technology of the University of Tokyo commented, "It will soon be 25 years since we discovered the principles of quantum dots and invented a quantum dot laser in 1982 at the University of Tokyo.
Although infrared quantum dot lasers have been made before, the Canadian team tackled the "much more difficult" task of pushing the laser energy into the red part of the visible spectrum.
Utilizing quantum dot semiconductor crystallization leading-edge technology developed thus far by Fujitsu, and laser design and process technologies, QDL will offer quantum dot lasers to the optical telecommunication light source market for use in opticalaccess and optical LAN within buildings.
The report also contains strategic assessments of emerging markets for lasers such as chip-to-chip communications and optical interfaces/cabling for consumer electronics, as well as of newer laser types such as quantum dot lasers and silicon lasers.
the leading provider of quantum dot lasers for optical interconnects in mainstream computing applications.
as well as the opportunities in communications for pump lasers and some of the newer types of lasers such as quantum dot lasers and silicon lasers.
However, CIR's new report also points out that cost sensitivity is driving innovation from improved VCSELs to quantum dot lasers.
Today we see the clear potential of Quantum Dot lasers to enable optical interconnect and optical clock technology.
Suppliers in the otherwise mature 1310-nm transceiver market are threatened by excess competition and continuing developments, such as competitively priced 1550-nm transceivers, and commercialized long-wavelength VCSELs and quantum dot lasers.
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