Structured FBG filters for 10-Gb/s DPSK signal demodulation in single ended applications

被引：2

作者：

Marazzi, L. ^{[3
,4
]}

Boffi, P. ^{[4
]}

Parolari, P. ^{[3
,4
]}

Martinelli, M. ^{[4
]}

Gatti, D. ^{[1
,2
]}

Coluccelli, N. ^{[1
,2
]}

Longhi, S. ^{[1
,2
]}

机构：

[1] Politecn Milan, Dipartimento Fis, I-20133 Milan, Italy

[2] CNR, Ist Foton & Nanotecnol, I-20133 Milan, Italy

[3] Fdn Politecn Milano, I-20133 Milan, Italy

[4] Politecn Milan, PoliCom, Dept Elect & Informat, I-20133 Milan, Italy

来源：

OPTICAL FIBER TECHNOLOGY | 2011年 / 17卷 / 03期

关键词：

Fiber Bragg gratings; Fiber optics communications; DPSK demodulation; WDM-PON networks; BRAGG GRATING FILTERS; WDM ACCESS;

D O I：

10.1016/j.yofte.2011.01.008

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：

Differential phase-shift keying (DPSK) demodulations operated by a structured fiber Bragg grating (FBG) filter and by a Mach-Zehnder delay interferometer (MZDI) in a single-ended configuration are compared. Experimental measurements at 10 Gb/s demonstrate that a specially designed FBG outperforms an integrated-optic MZDI of similar to 4 dB and similar to 3.5 dB in back-to-back and after 25-km propagation, respectively. Both demodulators show low polarization sensitivity and signal frequency detuning dependence, but only MZDI operating point requires a thermal control. FBG filter proves an interesting solution for DPSK demodulation in low-cost applications and, moreover, can be designed to match colorless requirements of wave division multiplexed passive optical network (WDM-PON) applications. (C) 2011 Elsevier Inc. All rights reserved.

引用

页码：156 / 159

页数：4

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