Two Mach-Zehnder-type tunable dispersion compensators integrated in series to increase bandwidth and/or range while maintaining single-knob control

被引：4

作者：

Doerr, CR ^{[1
]}

Chandrasekhar, S ^{[1
]}

Cappuzzo, M ^{[1
]}

Chen, E ^{[1
]}

Wong-Foy, A ^{[1
]}

Gomez, L ^{[1
]}

Patel, S ^{[1
]}

Buhl, L ^{[1
]}

机构：

[1] Lucent Technol, Bell Labs, Holmdel, NJ 07733 USA

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 2005年 / 17卷 / 04期

关键词：

gratings; integrated optics; optical equalizers; optical planar waveguide components; wavelength-division multiplexing;

D O I：

10.1109/LPT.2004.843273

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：

We previously demonstrated a colorless three-stage Mach-Zehnder-interferometer-type 10-Gb/s tunable dispersion compensator (TDC) in a silica-on-silicon planar lightwave circuit. However, the bandwidth was too narrow to tolerate typical transmitter wavelength drift. Here we demonstrate a wider bandwidth version, in which we increased the TDC free-spectral range (FSR) and put two TDCs in series onto the same chip. Key features are that a single voltage tunes the entire device, and a single half-wave plate makes the entire device polarization insensitive. This 50-GHz FSR device allows 180 km of 9.95-Gb/s transmission. We also demonstrate a 100-GHz FSR version, which compensates similar to +/- 200 ps/nm of 42.7-Gb/s transmission.

引用

页码：828 / 830

页数：3

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