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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 2 — Jan. 18, 2010
  • pp: 694–699

Monolithically integrated multi-wavelength VCSEL arrays using high-contrast gratings

Vadim Karagodsky, Bala Pesala, Christopher Chase, Werner Hofmann, Fumio Koyama, and Connie J. Chang-Hasnain  »View Author Affiliations


Optics Express, Vol. 18, Issue 2, pp. 694-699 (2010)
http://dx.doi.org/10.1364/OE.18.000694


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Abstract

We propose a novel design for multi-wavelength arrays of vertical cavity surface-emitting lasers (VCSELs) using high-contrast gratings (HCGs) as top mirrors. A range of VCSEL cavity wavelengths in excess of 100 nm is predicted by modifying only the period and duty-cycle of the high-contrast gratings, while leaving the epitaxial layer thickness unchanged. VCSEL arrays fabricated with this novel design can easily accommodate the entire Er-doped fiber amplifier bandwidth with emission wavelengths defined solely by lithography with no restrictions in physical layout. Further, the entire process is identical to that of solitary VCSELs, facilitating cost-effective manufacturing.

© 2010 OSA

OCIS Codes
(050.2770) Diffraction and gratings : Gratings
(140.2010) Lasers and laser optics : Diode laser arrays
(250.7260) Optoelectronics : Vertical cavity surface emitting lasers

ToC Category:
Diffraction and Gratings

History
Original Manuscript: September 14, 2009
Revised Manuscript: November 10, 2009
Manuscript Accepted: November 12, 2009
Published: January 5, 2010

Citation
Vadim Karagodsky, Bala Pesala, Christopher Chase, Werner Hofmann, Fumio Koyama, and Connie J. Chang-Hasnain, "Monolithically integrated multi-wavelength VCSEL arrays using high-contrast gratings," Opt. Express 18, 694-699 (2010)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-2-694


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References

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  11. V. Karagodsky, M. C. Y. Huang, and C. J. Chang-Hasnain, “Analytical Solution and Design Guideline for Highly Reflective Subwavelength Gratings,” in Proceedings of Conference on Lasers and Electro-Optics (CLEO’08), San Jose, USA, Paper number JTuA128, (2008).
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