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Wavelength-controlled photonic true time delay for wide-band applications

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3 Author(s)
Raz, O. ; Fac. of Eng., Tel-Aviv Univ., Tel Aviv, Israel ; Rotman, R. ; Tur, M.

A radio frequency subcarrier modulated wavelength-controlled dense wavelength-division-multiplexing-based photonic true time delay module, with very low phase (±4°) and magnitude (±0.5 dB) ripples over a bandwidth of several gigahertz, is demonstrated to achieve wide-band linear frequency modulation transmission (600 MHz) with -37-dB sidelobe suppression and signal-to-noise exceeding 80 dB/MHz.

Published in:

Photonics Technology Letters, IEEE  (Volume:17 ,  Issue: 5 )