Keywords

diffraction gratings, integrated optics devices, micro-optical devices, waveguides, photonic integrated circuits

Abstract

We present a compact and efficient design for slanted grating couplers (SLGC's) to vertically connect fibers and planar waveguides without intermediate optics. The proposed SLGC employs a strong index modulated slanted grating. With the help of a genetic algorithm-based rigorous design tool, a 20 µm-long SLGC with 80.1% input coupling efficiency has been optimized. A rigorous mode analysis reveals that the phase-matching condition and Bragg condition are satisfied simultaneously with respect to the fundamental leaky mode supported by the optimized SLGC.

Original Publication Citation

B. Wang, J. Jiang, and G. P. Nordin, "Compact slanted grating couplers," Opt. Express 12(15), pp. 3313-3326 (24). http://www.opticsexpress.org/abstract.cfm?URI=OPEX-12-15-3313

Document Type

Peer-Reviewed Article

Publication Date

2004-07-26

Permanent URL

http://hdl.lib.byu.edu/1877/575

Publisher

Optical Society of America

Language

English

College

Ira A. Fulton College of Engineering and Technology

Department

Electrical and Computer Engineering

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