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Published February 1, 2004 | public
Journal Article Open

Wavelength-insensitive nonadiabatic mode evolution couplers

Abstract

We investigate the wavelength insensitivity and fabrication error tolerance of the relative output amplitude and phase for a new type of optical coupler. This new coupler overcomes the long-length requirements of adiabatic couplers, yet achieves similar desirable properties. The three-space geometrical representation of coupled-mode theory, used as the design and analysis method, is presented and an example of a 3-dB coupler is examined.

Additional Information

© Copyright 2004 IEEE. Reprinted with permission. Manuscript received August 26, 2003; revised October 14, 2003. This work was supported in part by the Office of Naval Research, by the Defense Advanced Research Project Agency, and by the Air Force Office of Scientific Research. The authors gratefully acknowledge the helpful discussions with J. Choi, W. Green, Dr. B. Marshall, Prof. S. Mookherjea, and Dr. J. Scheuer.

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August 22, 2023
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