Bandpass Attenuating-Counter-Propagating Phase Modulator

Attenuating-counter-propagating (ACP) phase modulators enable wideband optical phase-locked loop (OPLL) phase demodulator for high dynamic range RF/photonic links. However, existing ACP modulators have low-pass response that limits the OPLL operating frequency. In this letter, we present the first b...

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Bibliographic Details
Published in:IEEE photonics technology letters 2016-01, Vol.28 (2), p.193-196
Main Authors: Xu, Longtao, Jin, Shilei, Li, Yifei
Format: Article
Language:English
Subjects:
Attenuation
Bandpass
Devices
Dynamic range
Electrodes
Integrated optics
Modulators
Optical films
Optical modulation
optical phase locked loop
Optical waveguides
Phase locked loops
Phase modulation
phase modulator
Photonics
propagation delay
Wideband
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Summary:Attenuating-counter-propagating (ACP) phase modulators enable wideband optical phase-locked loop (OPLL) phase demodulator for high dynamic range RF/photonic links. However, existing ACP modulators have low-pass response that limits the OPLL operating frequency. In this letter, we present the first bandpass ACP phase modulator realized on an LiNbO 3 substrate employing a novel periodically bended optical waveguide structure. The device demonstrated latency free phase modulation centered at 7 GHz.
ISSN:1041-1135
1941-0174
DOI:10.1109/LPT.2015.2489607