A Performance Comparison Between Quantum Dash and Quantum Well Fabry-Perot Lasers

被引：8

作者：

Poole, Philip J. ^{[1
]}

Lu, Zhenguo ^{[1
]}

Liu, Jiaren ^{[1
]}

Barrios, Pedro ^{[1
]}

Mao, Youxin ^{[1
]}

Liu, Guocheng ^{[1
]}

机构：

[1] Natl Res Council Canada, Adv Elect & Photon Res Ctr, Ottawa, ON K1A 0R6, Canada

来源：

IEEE JOURNAL OF QUANTUM ELECTRONICS | 2021年 / 57卷 / 06期

关键词：

Quantum well; quantum dash; laser; mode-locked; QPSK; SEMICONDUCTOR-LASERS; PULSE GENERATION; DOT LASERS; LINEWIDTH; THRESHOLD; MODE; GAIN; COMB; GHZ;

D O I：

10.1109/JQE.2021.3107850

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 directly compare the performance of 1.55 mu m Fabry-Perot lasers using quantum well (QW) and quantum dash gain regions. Other than the gain medium the designs were identical, grown in the same growth system, and processed at the same time. The static laser performance (light-current and spectral) were similar for both gain materials but the intensity and phase noise characteristics of the dash based lasers were significantly better. This was attributed to the self mode-locking of the dash lasers that was not observed for the QW lasers. This reduction in noise allowed individual lasing lines from the Fabry-Perot dash lasers to be used for data transmission using high order modulation schemes, with quadrature phase-shift keying (QPSK) demonstrated at a symbol rate of 32GBaud. This performance could not be achieved using the equivalent QW based laser.

引用

页数：7

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