THz-bandwidth tunable slow light in semiconductor optical amplifiers | Zendy

Forrest Sedgwick | Zendy; Bala Pesala | Zendy; Jui-Yen Lin | Zendy; Wai Son Ko | Zendy; Xiaoxue Zhao | Zendy; C.J. Chang-Hasnain | Zendy

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THz-bandwidth tunable slow light in semiconductor optical amplifiers

Author(s) -

Forrest Sedgwick,

Bala Pesala,

Jui-Yen Lin,

Wai Son Ko,

Xiaoxue Zhao,

C.J. Chang-Hasnain

Publication year - 2007

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.15.000747

Subject(s) - optical amplifier , optics , materials science , bandwidth (computing) , semiconductor , slow light , optoelectronics , amplifier , terahertz radiation , amplitude , physics , laser , telecommunications , cmos , photonic crystal , computer science

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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