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Sedgwick FG, Pesala B, Lin JY, et al. THz-bandwidth tunable slow light in semiconductor optical amplifiers. Opt Express. 2007;15(2):747-53doi: 10.1364/oe.15.000747.
Sedgwick, F. G., Pesala, B., Lin, J. Y., Ko, W. S., Zhao, X., & Chang-Hasnain, C. J. (2007). THz-bandwidth tunable slow light in semiconductor optical amplifiers. Optics express, 15(2), 747-53. https://doi.org/10.1364/oe.15.000747
Sedgwick, F G, et al. "THz-bandwidth tunable slow light in semiconductor optical amplifiers." Optics express vol. 15,2 (2007): 747-53. doi: https://doi.org/10.1364/oe.15.000747
Sedgwick FG, Pesala B, Lin JY, Ko WS, Zhao X, Chang-Hasnain CJ. THz-bandwidth tunable slow light in semiconductor optical amplifiers. Opt Express. 2007 Jan 22;15(2):747-53. doi: 10.1364/oe.15.000747. PMID: 19532297.
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Opt Express. 2007 Jan 22;15(2):747-53. doi: 10.1364/oe.15.000747.

THz-bandwidth tunable slow light in semiconductor optical amplifiers.

Optics express

F G Sedgwick, Bala Pesala, Jui-Yen Lin, Wai Son Ko, Xiaoxue Zhao, C J Chang-Hasnain

PMID: 19532297 DOI: 10.1364/oe.15.000747

Abstract

We report tunable fractional delays of 250% for 700 fs pulses propagating in a 1.55 mum semiconductor optical amplifier at room temperature. This large fractional delay is attributed to a spectral hole created by the propagating pulses for pulses with duration shorter than the carrier heating relaxation time. Delay can be tuned electrically by adjusting the current with low amplitude variation across the tuning range.

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