(Left) The field pattern of the optimized device for one 1550 nm signal. (Right) The field pattern of the optimized device for the 980 nm pump signal. Authors propose a multimode interference coupler for pumping two erbium-doped waveguide amplifiers from a single 980 nm pump channel. [See article by Bakhtazad et al. Fig. 5 for details.]
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- May 02 2013 : On-site Asbestos Detector Offers Promise of Better Workplace Safety - Asbestos was once called a miracle material because of its toughness... more
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