Aperiodic Mach-Zehnder optical filters

Optical waveguides – With optical coupler – Particular coupling function

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G02B 626, G02B 642

Patent

active

060884940

ABSTRACT:
A Mach-Zehnder filter is provided with a strongly aperiodic transfer function including a broad, sharply defined pass band. The filter can be used in conjunction with optical amplifiers.

REFERENCES:
patent: 5295205 (1994-03-01), Miller et al.
patent: 5351325 (1994-09-01), Miller et al.
patent: 5400417 (1995-03-01), Allie et al.
patent: 5537671 (1996-07-01), Toyama et al.
patent: 5557442 (1996-09-01), Huber
patent: 5703975 (1997-12-01), Miller et al.
Electronics Letters, Oct. 12, 1989, vol. 25, No. 21, "Unbalanced Dissimilar-Fibre Mach-Zehnder Interferomoter: Application as Filter", p. 1416-17, Malo et al.
"Variable bandwidth and tunable centre frequency filter using transversal-form programmable optical filter", Pawlowski et al., Electronic Letters, vol. 32, No. 2, Jan. 18, 1966, pp. 113-114.
23.sup.rd European Microwave Conf. Proc. p. 744-746, U.K. 1993. No month.
Fiber Optic Communications, Third Edition, 1992 Joseph C. Palaris, "Light Sources", pp. 162-163.

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