Tb/s Optical Logic Gates Based on Quantum-Dot Semiconductor Optical Amplifiers

被引：88

作者：

Rostami, Ali ^{[1
,2
]}

Nejad, Hamed Baghban Asghari ^{[1
]}

Qartavol, Reza Maram ^{[1
]}

Saghai, Hassan Rasooli ^{[2
]}

机构：

[1] Univ Tabriz, Fac Elect & Comp Engn, PNRL, Tabriz 51664, Iran

[2] Univ Tabriz, Sch Engn Emerging Technol, Tabriz 51664, Iran

来源：

IEEE JOURNAL OF QUANTUM ELECTRONICS | 2010年 / 46卷 / 03期

关键词：

All-optical processing; control pulse; quantum-dot (QD) amplifier; Tb/s optical gate; WAVELENGTH CONVERSION; GAIN-SATURATION; PERFORMANCE; XOR; MODULATION; RECOVERY; SIGNAL; CHIRP;

D O I：

10.1109/JQE.2009.2033253

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：

The performance of an ultrafast all-optical logic gate based on quantum-dot semiconductor optical amplifier (QD-SOA) has been theoretically analyzed in this paper. We introduce a novel approach to accelerate the gain recovery process with a control pulse (CP) using the cross-gain modulation (XGM) effect. It is shown that the optical XOR gate in a Mach-Zehnder interferometer- based structure is feasible at Tb/s speeds with proper quality factor. The operation capability at 2.5 Tb/s with Q-factor of 4.9 and 2 Tb/s with Q-factor of 8.8 is reported for the first time. This capability indicates great potential for ultrafast all-optical signal processing and switching.

引用

页码：354 / 360

页数：7

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