Ultrahigh speed all-optical demultiplexing based on two-photon absorption in a laser diode
Thomsen, Benn C. and Barry, Liam P. and Dudley, John M. and Harvey, John D. (1998) Ultrahigh speed all-optical demultiplexing based on two-photon absorption in a laser diode. Electronics Letters, 34 (19). pp. 1871-1872. ISSN 0013-5194
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The authors describe how the nonlinear process of two-photon absorption in a commercial laser diode may be used for all-optical demultiplexing in terabit per second optical time division multiplexing networks. Switching windows of 650 fs in duration have been observed, with corresponding switching energies of a few picojoules.
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