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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Vol. 3, Iss. 8 — Aug. 10, 2005
  • pp: 455–456

Offset quantum-well method for tunable distributed Bragg reflector lasers and electro-absorption modulated distributed feedback lasers

Qiang Kan, Ying Ding, Lingjuan Zhao, Hongliang Zhu, Fan Zhou, Lufeng Wang, Baojun Wang, and Wei Wang  »View Author Affiliations


Chinese Optics Letters, Vol. 3, Issue 8, pp. 455-456 (2005)


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Abstract

A two-section offset quantum-well structure tunable laser with a tuning range of 7 nm was fabricated using offset quantum-well method. The distributed Bragg reflector (DBR) was realized just by selectively wet etching the multiquantum-well (MQW) layer above the quaternary lower waveguide. A threshold current of 32 mA and an output power of 9 mW at 100 mA were achieved. Furthermore, with this offset structure method, a distributed feedback (DFB) laser was integrated with an electro-absorption modulator (EAM), which was capable of producing 20 dB of optical extinction.

© 2005 Chinese Optics Letters

OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(130.5990) Integrated optics : Semiconductors
(230.1480) Optical devices : Bragg reflectors
(230.4110) Optical devices : Modulators

Citation
Qiang Kan, Ying Ding, Lingjuan Zhao, Hongliang Zhu, Fan Zhou, Lufeng Wang, Baojun Wang, and Wei Wang, "Offset quantum-well method for tunable distributed Bragg reflector lasers and electro-absorption modulated distributed feedback lasers," Chin. Opt. Lett. 3, 455-456 (2005)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-3-8-455


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