Polarization pinning of a VCSEL array

Kostas Tastavridis; Kevin A. Williams; Laurence J. Sargent; Peter J. Heard; Judy M. Rorison; Richard V. Penty; Ian H. White

doi:10.1117/12.384363

1 May 2000 Polarization pinning of a VCSEL array

Kostas Tastavridis, Kevin A. Williams, Laurence J. Sargent, Peter J. Heard, Judy M. Rorison, Richard V. Penty, Ian H. White

Author Affiliations +

Proceedings Volume 3946, Vertical-Cavity Surface-Emitting Lasers IV; (2000) https://doi.org/10.1117/12.384363
Event: Symposium on Integrated Optoelectronics, 2000, San Jose, CA, United States

Abstract

Polarization control is reported for a 2-D independently addressable VCSEL array. Polarization pinning for emitters on the same die at several orientations is achieved by etching trenches close to the contact metallization of each emitter in the array using focused ion beam etching. Polarization extinction ratios in excess of 50 are achieved over a wide range of orientations and bias currents. No significant effects are observed on threshold current subsequent to the etching of polarization pinning trenches.

Citation Download Citation

Kostas Tastavridis, Kevin A. Williams, Laurence J. Sargent, Peter J. Heard, Judy M. Rorison, Richard V. Penty, and Ian H. White "Polarization pinning of a VCSEL array", Proc. SPIE 3946, Vertical-Cavity Surface-Emitting Lasers IV, (1 May 2000); https://doi.org/10.1117/12.384363

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