Response Characteristics of Silicon Microring Resonator Hydrogen Sensor

Yamasaku, Naoki; Matsuura, Sosuke; Nishijima, Yoshiaki; Arakawa, Taro; Okazaki, Shinji

doi:10.3390/proceedings2130795

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2023

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“…MRRs are used in many optical devices, such as dispersion compensators [1], lasers [2,3], optical modulators [4,5], optical switches [6,7], delay lines [8,9], isolators [10,11], optical memories [12,13], and sensors [14,15]. MRR filters are a viable device in the wavelength division multiplexing (WDM) system to extract a wavelength over a broad spectral range.…”

Section: Introductionmentioning

confidence: 99%

Tunable Vernier Series-Coupled Microring Resonator Filters Based on InGaAs/InAlAs Multiple Quantum-Well Waveguide

Peng,

Arakawa

2023

Photonics

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We demonstrate a fourth-order Vernier serious-coupled microring resonator (MRR) filter based on the InGaAs/InAlAs five-layer asymmetric coupled quantum-well (FACQW) waveguide. As the tuning of the main resonance wavelength is driven by the electrorefractive index change in the FACQW layer caused by the quantum-confined Stark effect (QCSE), the MRR filter has lower tuning power consumption and high-speed operation. The free spectral range (FSR) of the MRR filter is extended to 9.4 nm. The main resonant peak is discretely tuned within one FSR, leading to an increase in the wavelength channel.

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