Phase Demodulation of DPSK Signals Using Dual-Bus Coupled Silicon Micro-Ring Resonator

Special Section on Photonic Devices using Nanofabrication Technology and Their Applications

Rai KOU, Sungbong PARK, Tai TSUCHIZAWA, Hiroshi FUKUDA, Hidetaka NISHI, Hiroyuki SHINOJIMA, Koji YAMADA

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Keywords: silicon photonics, silicon micro-ring resonator, phase demodulation, differential-phase-shift keying (DPSK)

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2012 Volume E95.C Issue 2 Pages 224-228

DOI https://doi.org/10.1587/transele.E95.C.224

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Abstract

We demonstrate phase demodulation of 10-Gbps DPSK signals using a silicon micro-ring resonator with a radius of 10µm and with various coupling gaps for light of ∼1550nm in wavelength. Influence of the Q factors and transmissions of the resonators on the response speed and power balance of the two output ports is discussed. Furthermore, temperature sensitivity on resonance peak was measured and we discuss its effect on practical demodulation application.

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