Passively Mode-Locked Bragg Lasers With 64 GHz Sub-300 fs Pulses at 785 nm

被引：3

作者：

Janjua, Bilal ^{[1
]}

Iu, Meng Lon ^{[1
]}

Yan, Zhizhong ^{[2
]}

Charles, Paul ^{[1
]}

Chen, Eric ^{[1
]}

Helmy, Amr S. ^{[3
]}

机构：

[1] Univ Toronto, Dept Elect Engn, Toronto, ON M5S 3G4, Canada

[2] Univ Toronto, Edward S Rogers Sr Dept Elect & Comp Engn ECE, Toronto, ON M5S 3G4, Canada

[3] Univ Toronto, Dept Elect & Comp Engn, Toronto, ON M5S 3G4, Canada

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 2020年 / 32卷 / 18期

关键词：

Waveguide lasers; Gain; Laser mode locking; Cavity resonators; Bandwidth; Reflection; Semiconductor lasers; Bragg reflection laser; passively mode-locked; saturable absorber; quantum well; transform limited pulse; LOCKING;

D O I：

10.1109/LPT.2020.3013815

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 have demonstrated a monolithic semiconductor passively mode-locked Bragg waveguide laser (PMBRL) based on a two quantum well active region. The lasers showed a threshold current of similar to 33 mA at a saturable absorber reverse bias of 0 V in continuous wave operation (CW), with emission wavelength of similar to 785 nm. A systematic study of a two section PMBRLs showed that these devices can generate pulse widths down to 211 fs at a 64 GHz repetition rate with a time-bandwidth product of 0.32. This range of pulse widths sets a new record for quantum well based devices.

引用

页码：1135 / 1138

页数：4

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