Control the transverse mode of vertical-cavity surface-emitting lasers by antireflection coating | Zendy

Shu-Woei Chiou | Zendy; C. P. Lee | Zendy; Hung-Pin D. Yang | Zendy; Chia-Pin Sung | Zendy

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Control the transverse mode of vertical-cavity surface-emitting lasers by antireflection coating

Author(s) -

Shu-Woei Chiou,

C. P. Lee,

Hung-Pin D. Yang,

Chia-Pin Sung

Publication year - 2001

Publication title -

proceedings of spie, the international society for optical engineering/proceedings of spie

Language(s) - English

Resource type - Conference proceedings

SCImago Journal Rank - 0.192

H-Index - 176

eISSN - 1996-756X

pISSN - 0277-786X

DOI - 10.1117/12.424791

Subject(s) - materials science , coating , transverse mode , transverse plane , laser , vertical cavity surface emitting laser , optoelectronics , optics , lift (data mining) , semiconductor laser theory , modal , semiconductor , composite material , physics , engineering , computer science , structural engineering , data mining

We have successfully developed a selective surface coating technique to control the modal behavior of the ionimplanted vertical cavity surface emitting laser. Using selective deposition of germanium coating by lift-off process, we could spatially control the threshold gain condition of the VCSEL to support the single transverse mode. The threshold current is 7 mA and single transverse mode operation is maintained up to 1 mW. The method is simple and nondestructive compared to other techniques.

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