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Proceedings Paper

Rapidly reconfigurable pulse-shaping using injection-locked VCSELs
Author(s): Sharad P. Bhooplapur; Nazanin Hoghooghi; Peter J. Delfyett
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Paper Abstract

We demonstrate independent modulation of four optical comb lines at rates of up to 3.125 GHz by injection-locking a VCSEL to each of the comb lines. The comb-lines are separated by 6.25 GHz, as determined by the channel separation of the fiberized, matched-pair of demultiplexer and multiplexer. The currents to the VCSELs are modulated at frequencies between 0.78125 and 3.125 GHz and the resulting optical waveforms are measured using a fast photodiode and a high-bandwidth, real-time oscilloscope. The electronic waveforms have envelopes with periodicities corresponding to the current-modulation frequencies, and the pulse-shapes within one period of the envelope vary. The measurements prove that dynamic reconfiguration of the optical pulse-shape has been achieved at rates approaching the repetition rate of the comb source.

Paper Details

Date Published: 27 May 2011
PDF: 6 pages
Proc. SPIE 8054, Enabling Photonics Technologies for Defense, Security, and Aerospace Applications VII, 805409 (27 May 2011); doi: 10.1117/12.886423
Show Author Affiliations
Sharad P. Bhooplapur, CREOL, The College of Optics and Photonics, Univ. of Central Florida (United States)
Nazanin Hoghooghi, CREOL, The College of Optics and Photonics, Univ. of Central Florida (United States)
Peter J. Delfyett, CREOL, The College of Optics and Photonics, Univ. of Central Florida (United States)


Published in SPIE Proceedings Vol. 8054:
Enabling Photonics Technologies for Defense, Security, and Aerospace Applications VII
Michael J. Hayduk; Peter J. Delfyett, Editor(s)

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