Programmable, differential wavelength discriminator

Details Programmable, differential wavelength discriminator Programmable, differential wavelength discriminator

1994-10-13

1996-08-20

Bovernick, Rodney B.

Optical waveguides

With optical coupler

Input/output coupler

385 45, G02B 634

Patent

active

055486711

ABSTRACT:
A programmable wavelength discriminator for isolating individual wavelength carriers from an optical signal including a plurality of wavelength carriers. The discriminator preferably has a pair of waveguides, with each waveguide having imprinted therein a reflecting grating whose period is chosen to reflect the wavelength to be isolated. A receiver such as a photodetector interrogates the selected wavelength. A programmable optical switch determines through which waveguide the composite optical signal will travel. A method of isolating discrete wavelengths from an optical signal comprising a plurality of wavelengths is also discussed.

REFERENCES:
patent: 4747654 (1988-05-01), Yi-Yan
patent: 4820009 (1989-04-01), Thaniyavarn
patent: 4860294 (1989-08-01), Winzer et al.
patent: 4938553 (1990-07-01), Maerz et al.
patent: 5363226 (1994-11-01), Strasser et al.
patent: 5434702 (1995-07-01), Byron
patent: 5469520 (1995-11-01), Merey et al.
patent: 5473714 (1995-12-01), Vengsarkar
patent: 5475780 (1995-12-01), Mizrahi
"Digital Optical Switch", Silberberg et al, Appl. Lett., 51(16), 19 Oct. 1987, pp. 1230-1232.
"Low-Crosstalk 2x2 Digital Optical Switch", Okayama et al, Electronics Letters, 3rd Mar. 1994, vol. 30, No. 5, pp. 403-405.
"First Digital Optical Switch Based On InP/GaInAsP Double Heterostructure Waveguides", Cavailles et al, Electronics Letters, 25th Apr. 1991, vol. 27, No. 9, pp. 699-700.
"Integrated Optics 4x4 Switch Matrix With Digital Optical Switches", Granestrand et al, Electronics Letters, 4th Jan. 1990, vol. 26, No. 1, pp. 4-5.
"A Very Low Operation Current InGaAsP/InP Total Internal Reflection Optical Switch Using p
/p
Current Blocking Layers", Oh et al, IEEE Photonics Technology Letter, vol. 6, No. 1, Jan. 1994, pp. 65-67.
"Integrated Optics Components and Devices Using Periodic Structures", Suhara et al, IEEE Journal of Quantum Electronics, vol. QE-22, No. 6, pp. 845-867, Jun. 1986.
"Integrated Grating Circuit for Guided-Beam Multiple Division Fabricated by Electron-Beam Direct Writing", Handa et al, Optics Letters, Jul. 1980, vol. 5, No. 7, pp. 309-311.
"Monolithic Integrated Microgratings and Photodiodes for Wavelength Demultiplexing", Suhara et al, Appl. Phys. Lett., 40(2), 15 Jan. 1982, pp. 120-122.

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