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Measurement of the temporal delay of a light pulse through a one‐dimensional photonic crystal
Author(s) -
Wang Shamino,
Erlig Hernan,
Fetterman Harold R.,
Yablonovitch Eli,
Grubsky Victor,
Starodubov Dmitry S.,
Feinberg Jack
Publication year - 1999
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/(sici)1098-2760(19990105)20:1<17::aid-mop4>3.0.co;2-g
Subject(s) - optics , true time delay , fiber bragg grating , grating , picosecond , bandwidth (computing) , slow light , group delay and phase delay , laser , materials science , optoelectronics , physics , photonic crystal , phased array , telecommunications , computer science , antenna (radio)
We measure a maximum group delay of 22.6 ps for a light pulse propagating through a 1 cm long fiber Bragg grating when the frequency of the light is tuned near the band edge of the grating. Our measurements are performed in the time domain with single picosecond resolution using wavelength‐tunable pulses of 0.5 nm bandwidth spectrally sliced from a mode‐locked laser. Our experimental results are qualitatively confirmed by our numerical simulations. Promising applications include optical delay elements for phased‐array radar and encoders/decoders in spread‐spectrum code‐division multiple‐access systems. ©1999 John Wiley & Sons, Inc. Microwave Opt Technol Lett 20: 17–21, 1999.