Device for directional and wavelength-selective optical...

Details Device for directional and wavelength-selective optical... Device for directional and wavelength-selective optical...

2006-09-19

2006-09-19

Connelly-Cushwa, Michelle (Department: 2874)

Optical waveguides

With optical coupler

Particular coupling function

C385S037000, C385S041000, C385S050000

Reexamination Certificate

active

07110641

ABSTRACT:
A device for directional and wavelength-selective optical coupling formed in a photonic crystal (12) and comprising two parallel waveguides (14, 16) separated by a coupling zone (18) enabling a particular frequency to be extracted from a signal (30) injected in fundamental mode into one of the waveguide (14) and to recover said frequency at the outlet (34) of the other waveguide (16), extraction and injection being performed by coupling between fundamental and high order modes in each waveguide.

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patent: 2001/0026668 (2001-10-01), Yamada
S. Olivier et al., “Mini-stopbands of a one-dimensional system: The channel waveguide in a two-dimensional photonic crystal,” Physical Review B., vol. 63, 113311, pp. 1-4, © 2001.
M. Tokushima and H. Yamada, “Photonic crystal line defect waveguide directional coupler,” vol. 37, No. 24 (2 pages), Nov. 22, 2001.
C.J. M. Smith and R.M. De La Rue, “Coupled guide and cavity in a two-dimensional photonic crystal,” Applied Physics Letters, vol. 78, No. 11, Mar. 12, 2001, pp. 1487-1489. (Document XP-001015020).

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