Optical resonant cavity filters

Coherent light generators – Particular component circuitry – Optical pumping

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350 9616, 350 9629, 350 9630, 350 9610, 372 6, 372 94, 372 97, 372 72, 370 3, 455601, 455602, 455610, G02B 626, H01S 330, H04B 900, G02F 100

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047201606

ABSTRACT:
A wavelength filtering device and system in which an optical resonant cavity is laterally coupled to a trunk waveguide carrying a broad range of wavelengths in the optical spectrum. The filtering cavities may be linear optical fiber segments or fiber segments closed at their ends in the shape of a loop. The devices may include single or multiple optical cavities or hybrid filtering utilizing both dispersive and resonant functions.

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Haavisto et al, "Resonance Effects in . . . Ring Waveguides" Optics Lett. vol. 5, No. 12, 12/80 pp. 510-512.

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