In-line polymeric construct for modulators, filters, switches an

Details In-line polymeric construct for modulators, filters, switches an In-line polymeric construct for modulators, filters, switches an

1996-07-16

1998-12-29

Ullah, Akm E.

Optical waveguides

With optical coupler

Particular coupling function

G02B 626

Patent

active

058548645

ABSTRACT:
A coplanar waveguide polymeric in-line fiber construct (CPW-PILF) formed on an optic half coupler substrate base or D-fiber wherein the surface is polished down through the cladding on the optical fiber so as to form an evanescent coupling region on the surface. Co-planar, spaced-apart electrodes are deposited on the surface with their gap aligned over the coupling region, and an electro-optic (EO) polymeric waveguide is deposited over the electrodes and between the electrode gap. Light transmitted thorough the optical fiber is evanescently coupled to said waveguide and modulated by a signal applied to the electrodes. Alternatively, the waveguide is deposited on the surface of the substrate and the electrodes are deposited over the waveguide.

REFERENCES:
patent: 3916510 (1975-11-01), Martin
patent: 5067788 (1991-11-01), Jannson et al.
patent: 5729641 (1998-03-01), Chandonnet et al.
Creaney et al., "Continuous-Fiber Modulator with High-Bandwidth Coplanar Strip Electrodes," IEEE Photonics Letters, vol. 8, No. 3, Mar. 1996

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