Phase-shifted Bragg-Grating filters with improved transmission characteristics

被引：119

作者：

Zengerle, R

Leminger, O

机构：

[1] Deutsche Telekom, Forschungs-und Technologiezentrum

来源：

JOURNAL OF LIGHTWAVE TECHNOLOGY | 1995年 / 13卷 / 12期

关键词：

D O I：

10.1109/50.475575

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Standard Bragg filters (dielectric waveguides with a grating overlay) show a stopband only in reflection. Filters with quarter-wave-shifted gratings have an extremely narrow transmission peak in the center of the stopband but its shape (a sharp triangle with a broad bottom) is not suitable for system design. Using standard coupled-mode theory together with transfer-matrix formalism, we show that by introducing several phase-shift regions and properly choosing their locations and magnitudes the transmission spectrum can be tailored into a nearly rectangular shape. For InP/InGaAsP-based Bragg-grating filters estimates are made of achievable channel spacings in wavelength-division multiplexing systems.

引用

页码：2354 / 2358

页数：5

共 8 条

[1]

Damask J.N., Haus H.A., Wavelength-division multiplexing using channel-dropping filters, J. Lightwave Technol., 11, pp. 424-428, (1993)

[2]

Agrawal G.P., Radic S., Phase-shifted fiber Bragg gratings and their application for wavelength demultiplexing, IEEE Photon. Technol. Lett., 6, pp. 995-997, (1994)

[3]

Henry C.H., Shani Y., Kistler R.C., Jewell T.E., Pol V., Olsson N.A., Kazarinov R.F., Orlowsky K.J., Compound Bragg reflection filters made by spatial frequency doubling lithography, J. Lightwave Technol., 7, pp. 1379-1385, (1989)

[4]

Macleod H.A., Thin-Film Optical Filters., (1986)

[5]

Haus H.A., Waves and Fields in Optoelectronics., (1984)

[6]

Marz R., Integrated Optics, Design, and Modeling., (1995)

[7]

Bruckner H.J., Leminger O., Zengerle R., Korn M., Performance of electron beam written dielectric waveguide grating filters considering fabrication tolerances, J. Opt. Commun., 14, pp. 18-24, (1993)

[8]

Weber J.-P., Stoltz B., Dasler M., Koek B., Four-channel tunable optical notch filter using InGaAsP/InP reflection gratings, IEEE Photon. Technol. Lett., 6, pp. 77-79, (1994)

← 1 →