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Title: Optical amplifier operating at 1.3 microns useful for telecommunications and based on dysprosium-doped metal chloride host materials

Dysprosium-doped metal chloride materials offer laser properties advantageous for use as optical amplifiers in the 1.3 .mu.m telecommunications fiber optic network. The upper laser level is characterized by a millisecond lifetime, the host material possesses a moderately low refractive index, and the gain peak occurs near 1.31 .mu.m. Related halide materials, including bromides and iodides, are also useful. The Dy.sup.3+ -doped metal chlorides can be pumped with laser diodes and yield 1.3 .mu.m signal gain levels significantly beyond those currently available.
Inventors:
 [1];  [2];  [3];  [2];  [4]
  1. (San Ramon, CA)
  2. (Pleasanton, CA)
  3. (Castro Valley, CA)
  4. (Livermore, CA)
Issue Date:
OSTI Identifier:
871262
Assignee:
Regents of University of California (Oakland, CA) LLNL
Patent Number(s):
US 5694500
Contract Number:
W-7405-ENG-48
Research Org:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Country of Publication:
United States
Language:
English
Subject:
optical; amplifier; operating; microns; useful; telecommunications; based; dysprosium-doped; metal; chloride; host; materials; offer; laser; properties; advantageous; amplifiers; fiber; optic; network; upper; level; characterized; millisecond; lifetime; material; possesses; moderately; refractive; index; peak; occurs; near; 31; related; halide; including; bromides; iodides; -doped; chlorides; pumped; diodes; yield; signal; levels; significantly; currently; available; optical amplifier; metal chlorides; currently available; laser diodes; metal chloride; fiber optic; laser diode; refractive index; host material; optical amplifiers; microns useful; chloride material; host materials; amplifier operating; dysprosium-doped metal; /385/359/372/

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