Compound optical waveguide and filter applications thereof

Details Compound optical waveguide and filter applications thereof Compound optical waveguide and filter applications thereof

1997-01-21

2000-02-15

Lee, John D.

Optical waveguides

With optical coupler

Particular coupling function

385 27, 385 42, 385 50, G02B 626

Patent

active

060262052

ABSTRACT:
A compound waveguide device having a channel waveguide in optical proximity to an elongate waveguide propagating an optical signal therein is disclosed. The channel waveguide includes a coupling surface through which optical energy is evanescently coupled to or from the optical signal propagating in the elongate waveguide. The channel waveguide is shaped to confine distribution of the optical energy therein along axes transverse to the axis of propagation of the optical energy. Transverse diffraction of the optical energy within the channel waveguide is thereby limited. In one embodiment, the elongate waveguide is a side-polished fiber optic waveguide. Electro-optic control of the compound waveguide is disclosed, as are bandstop, bandpass and detection configurations thereof.

REFERENCES:
patent: 4398795 (1983-08-01), Palmer
patent: 4493528 (1985-01-01), Shaw et al.
patent: 4556279 (1985-12-01), Shaw et al.
patent: 4673270 (1987-06-01), Gordon
patent: 4679894 (1987-07-01), Pavlath
patent: 4721352 (1988-01-01), Sorin et al.
patent: 4722583 (1988-02-01), Stewart
patent: 4842358 (1989-06-01), Hall
patent: 4895422 (1990-01-01), Rand et al.
patent: 5007695 (1991-04-01), Chang
patent: 5067788 (1991-11-01), Jannson et al.
patent: 5265178 (1993-11-01), Braun et al.
patent: 5396362 (1995-03-01), Yakymyshyn et al.
patent: 5479542 (1995-12-01), Krivoshlykov
patent: 5642453 (1997-06-01), Margulis et al.
patent: 5815309 (1998-09-01), Lawrence et al.
patent: 5892857 (1999-04-01), McCallion
K. McCallion, W. Johnstone, and G. Fawcett, "Tunable in-line fiber-optic bandpass filter", Optics Letters, vol. 19 No. 8, pp. 542-544, Apr. 15, 1994.
W. Johnstone, G. Thursby, D. Moodie, R. Varshney, and B. Culshaw, "Fibre Optic Wavelength Channel Selector With High Resolution", Electronics Letters, vol. 28 No. 14, pp. 1364-1365, Jul. 2, 1992.
W. Johnstone, G. Thursby, R. Varshney, D. Moodie, K. McCallion, and B. Culshaw, "Wavelength Selective Optical Fibre Components Using Solid State Waveguide Overlays", Fibre Optic Components And Reliability, SPIE, vol. 1580, pp. 224-229, Sep. 1991.
W. Johnstone, S. Murray, G. Thursby, M. Gill, A. McDonach, D. Moodie, and B. Culshaw, "Fibre Optic Modulators Using Active Multimode Waveguide Overlays", Electronics Letters, vol. 27 No. 11, pp. 894-896, May 23, 1991.
K. McCallion, W. Johnstone and G. Thursby, "Investigation of Optical Fibre Switch Using Electro-Optic Interlays", Electronics Letters, vol. 28 No. 4, pp. 410-411, Feb. 13, 1992.
C.A. Miller, M.C. Brierley, and S.R. Mallinson, "Exposed-core single-mode-fiber channel-dropping filter using a high-index overlay waveguide", Optics Letters, vol. 12, No. 4, Apr. 1987, pp. 284-286.
G. Fawcett, W. Johnstone, I. Andonovic, D.J. Bone, T.G. Harvey, N. Carter and T.G. Ryan, "In-Line Fibre-Optic Intensity Modulator Using Electro-Optic Polymer", Electronics Letters, vol. 28 No. 11, pp. 985-986, May 21, 1992.
S. Creaney, W. Johnstone, and K. McCallion, "Continuous-Fiber Modulator with High-Bandwidth Coplanar Strip Electrodes", IEEE Photonics Technology Letters, Vol. 8 No. 3, Mar. 1996, pp. 355-357.
Krassimir P. Panajotov, "Evanescent field coupling between a single-mode fiber and a planar waveguide with absorption or gain", J. Opt. Soc. Am. B, vol. 13 No. 11, pp. 2468-2476, Nov. 1996.

Affiliated with

Also associated with

Rating

Compound optical waveguide and filter applications thereof does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Compound optical waveguide and filter applications thereof, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Compound optical waveguide and filter applications thereof will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1912431