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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 13, Iss. 20 — Oct. 3, 2005
  • pp: 7899–7904

Tunable ultraslow light in vertical-cavity surface-emitting laser amplifier

Xiaoxue Zhao, Phedon Palinginis, Bala Pesala, Connie J. Chang-Hasnain, and Philip Hemmer  »View Author Affiliations

Optics Express, Vol. 13, Issue 20, pp. 7899-7904 (2005)

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We report the experimental demonstration of tunable ultraslow light using a 1.55 um vertical-cavity surface-emitting laser (VCSEL) at room temperature. By varying the bias current around lasing threshold, we achieve tunable delay of an intensity modulated signal input. Delays up to 100 ps are measured for a broadband signal with modulation frequency of 2.8 GHz. With a VCSEL design optimized for amplification and leveraging the scalability of VCSEL arrays, delays of multiple modulation periods are feasible.

© 2005 Optical Society of America

OCIS Codes
(250.5980) Optoelectronics : Semiconductor optical amplifiers
(250.7260) Optoelectronics : Vertical cavity surface emitting lasers

ToC Category:
Research Papers

Original Manuscript: August 15, 2005
Revised Manuscript: September 18, 2005
Published: October 3, 2005

Xiaoxue Zhao, Phedon Palinginis, Bala Pesala, Connie Chang-Hasnain, and Philip Hemmer, "Tunable ultraslow light in vertical-cavity surface-emitting laser amplifier," Opt. Express 13, 7899-7904 (2005)

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