Fabrication of low threshold current monolithic DFB laser with an MMI combiner | Zendy

Jianyi Zhao | Zendy; Xin Chen Xin Chen | Zendy; Ning Zhou | Zendy; Xiaodong Huang | Zendy; Wen Liu | Zendy

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Fabrication of low threshold current monolithic DFB laser with an MMI combiner

Author(s) -

Jianyi Zhao,

Xin Chen Xin Chen,

Ning Zhou,

Xiaodong Huang,

Wen Liu

Publication year - 2014

Publication title -

chinese optics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.617

H-Index - 37

ISSN - 1671-7694

DOI - 10.3788/col201412.112302

Subject(s) - optics , materials science , fabrication , current (fluid) , laser , optoelectronics , semiconductor laser theory , physics , medicine , alternative medicine , pathology , thermodynamics

We fabricate low threshold current monolithic distributed feedback (DFB) laser with a multi-mode interface (MMI) combiner using butt-joint metal-organic chemical vapor deposition technology with different waveguide structures. Multi-layer mask self-aligned photolithography technology is used to form different waveguides in active and passive regions, respectively. The result shows that the laser threshold current is lower than 10 mA, with 50 dB side-mode suppression ratio.

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