Systematic design of novel wide-angle low-loss symmetric y-junction waveguides

Jui Ming Hsu; Ching Ting Lee

doi:10.1109/3.663447

Systematic design of novel wide-angle low-loss symmetric y-junction waveguides

Jui Ming Hsu, Ching Ting Lee

Department of Photonics

Research output: Contribution to journal › Article › peer-review

11 Citations (Scopus)

Abstract

To construct a low-loss and wide-branching-angle symmetric Y-junction waveguide, a novel structure is proposed. The structure consists of a pair of microprisms for precompensation and a microprism for phase-front acceleration. The structure of the Y-junction and the associated refractive indexes of microprisms are systematically derived. The simulated results using the fast Fourier transformation beam propagation method (FFT-BPM) demonstrate the performances of the proposed structure. The normalized transmitted power is more than 95% even though the branching angle is up to 20°.

Original language	English
Pages (from-to)	673-679
Number of pages	7
Journal	IEEE Journal of Quantum Electronics
Volume	34
Issue number	4
DOIs	https://doi.org/10.1109/3.663447
Publication status	Published - 1998 Apr

All Science Journal Classification (ASJC) codes

Atomic and Molecular Physics, and Optics
Condensed Matter Physics
Electrical and Electronic Engineering

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10.1109/3.663447

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abstract = "To construct a low-loss and wide-branching-angle symmetric Y-junction waveguide, a novel structure is proposed. The structure consists of a pair of microprisms for precompensation and a microprism for phase-front acceleration. The structure of the Y-junction and the associated refractive indexes of microprisms are systematically derived. The simulated results using the fast Fourier transformation beam propagation method (FFT-BPM) demonstrate the performances of the proposed structure. The normalized transmitted power is more than 95% even though the branching angle is up to 20°.",

author = "Hsu, {Jui Ming} and Lee, {Ching Ting}",

note = "Funding Information: Manuscript received June 26, 1997; revised November 19, 1997. This paper was supported by the National Science Council of the Republic of China under Contract NSC 87-2215-E008-011. The authors are with the Institute of Optical Sciences, National Central University, Chung-Li, Taiwan, R.O.C. Publisher Item Identifier S 0018-9197(98)02386-0.",

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N2 - To construct a low-loss and wide-branching-angle symmetric Y-junction waveguide, a novel structure is proposed. The structure consists of a pair of microprisms for precompensation and a microprism for phase-front acceleration. The structure of the Y-junction and the associated refractive indexes of microprisms are systematically derived. The simulated results using the fast Fourier transformation beam propagation method (FFT-BPM) demonstrate the performances of the proposed structure. The normalized transmitted power is more than 95% even though the branching angle is up to 20°.

AB - To construct a low-loss and wide-branching-angle symmetric Y-junction waveguide, a novel structure is proposed. The structure consists of a pair of microprisms for precompensation and a microprism for phase-front acceleration. The structure of the Y-junction and the associated refractive indexes of microprisms are systematically derived. The simulated results using the fast Fourier transformation beam propagation method (FFT-BPM) demonstrate the performances of the proposed structure. The normalized transmitted power is more than 95% even though the branching angle is up to 20°.

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Systematic design of novel wide-angle low-loss symmetric y-junction waveguides

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