Metal-aperture surface emitting laser with nano metal particle for near-field optics

IEICE Electronics Express

Fumio Koyama¹  Jiro Hashizume¹ 

[1] Microsystem Research Center, P & I Lab., Tokyo Institute of Technology

关键词: Near-field;    Plasmon;    VCSEL;    Storage;    particle;    aperture;   

DOI  :  10.1587/elex.1.77

学科分类：电子、光学、磁材料

来源: Denshi Jouhou Tsuushin Gakkai

【 摘 要 】

References(6)We demonstrate the optical near-field enhancement of a metal-aperture GaAs VCSEL with a nanometer-size Au particle. We achieved a record near-field intensity estimated from far-field measurements. The far-field output power from the nano-aperture was increased by a factor of 1.8 by inserting an Au nano-particle. The optical near-field was localized with a near-field power density of 5.7mW/µm2 and a spot size of 280nm. Also, we could avoid the polarization dependence of metal-aperture VCSELs by using a symmetric-shaped nano-particle in a metal aperture. This significant improvement may enable us to use the nano-aperture VCSEL for high-density optical storages.

【 授权许可】

Unknown