| 摘要 |
PCT No. PCT/GB92/01882 Sec. 371 Date Jul. 13, 1994 Sec. 102(e) Date Jul. 13, 1994 PCT Filed Oct. 14, 1992 PCT Pub. No. WO93/08574 PCT Pub. Date Apr. 29, 1993.An optical memory for storing optical signals of a first wavelength comprises a first non-linear loop mirror switch having first and second optical ports, an optical delay line having one end coupled to one port of the first switch and its other end coupled to a reflector. The delay line includes an optical amplifier for providing gain at the first wavelength.
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