National Science Foundation Sep 1, 1996 - Dec 1, 1997
Program Director Condensed Matter Physics
Lehigh University Sep 1, 1996 - Dec 1, 1997
Professor of Physics
Education:
Columbia University College of Arts and Sciences 1975 - 1982
Doctorates, Doctor of Philosophy, Physics
Columbia University 1977 - 1982
Doctorates, Doctor of Philosophy
University of Paris Ii 1968 - 1971
Stimulated Raman Scattering Fiber Optics Glasses Studies of Microstructured Fibers Four Wave Mixing Multicore and Multimode Fibers Mid Ir Fiber Fabrication Dielectric and Polarization Properties
Us Patents
Optical Transmission Link Incorporating Highpass Optical Filtering
Demetrios Nicolau Christodoulides - Allentown PA Jean-Marc Pierre Delavaux - Franklin Township, Hunterdon County NJ Christopher Michael McIntosh - Bethlehem PA Jean Toulouse - Bethlehem PA
Assignee:
Lucent Technologies Inc. - Murray Hill NJ Lehigh University - Bethlehem PA
International Classification:
G02B 628
US Classification:
385 24, 359161, 3593411, 3593372
Abstract:
An optical fiber transmission link with reduced channel depletion due to stimulated Raman scattering is formed by including a high pass optical filter in the transmission fiber. The filter may comprise one or more discrete components, or may be formed as a âdistributedâ filter along the length of the optical fiber. The cut-off frequency for the high pass optical filter is selected to be immediately below the frequency of the input channel to be transmitted. When used in an arrangement with multiple input channels, the cut-off frequency is controlled to be immediately below the lowest input channel frequency.
Raman Amplifier With Gain Enhancement From Optical Filtering
Demetrios Nicolau Christodoulides - Allentown PA Jean-Marc Pierre Delavaux - Franklin Township, Hunterdon County NJ Christopher Michael McIntosh - Bethlehem PA Jean Toulouse - Bethlehem PA
Assignee:
Lucent Technologies Inc. - Murray Hill NJ Lehigh University - Bethlehem PA
International Classification:
H01S 300
US Classification:
359334
Abstract:
A fiber Raman amplifier with increased gain and improved pump conversion efficiency is formed by including a high pass optical filter in the amplifier structure. The filter may comprise one or more discrete components, or may be formed as a âdistributedâ filter along the length of the fiber amplifier. The cut-off frequency for the high pass optical filter is selected to be immediately below the frequency of the input signal to be amplified. When used in an arrangement with multiple input signals, the cutoff frequency is controlled to be immediately below the lowest input signal frequency.
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