A Temperature Controller IC for Maximizing Si Micro-Ring Modulator Optical Modulation Amplitude

Min Hyeong Kim, Lars Zimmermann, Woo-Young Choi

Research output: Contribution to journalArticle

Abstract

We present a custom-designed integrated circuit (IC) implemented in 0.25-μm BiCMOS technology that can automatically control the Si micro-ring modulator (MRM) temperature for optimal modulation characteristics. The IC monitors the optical modulation amplitude (OMA) of an Si MRM and provides the optimal heater setting for the maximum OMA. The IC consists of trans-impedance amplifier, power detector, track-and-hold circuit, comparator, digital-to-analog converter, and digital controller, all of which are integrated in a single chip. We demonstrate that, with this IC, an Si MRM can provide the maximum OMA for 25-Gb/s operation despite changes in temperature and input optical power.

Original languageEnglish
Article number8598657
Pages (from-to)1200-1206
Number of pages7
JournalJournal of Lightwave Technology
Volume37
Issue number4
DOIs
Publication statusPublished - 2019 Feb 15

Fingerprint

light modulation
integrated circuits
modulators
controllers
rings
comparator circuits
digital to analog converters
application specific integrated circuits
power amplifiers
heaters
temperature
chips
impedance
modulation
detectors

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

Cite this

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abstract = "We present a custom-designed integrated circuit (IC) implemented in 0.25-μm BiCMOS technology that can automatically control the Si micro-ring modulator (MRM) temperature for optimal modulation characteristics. The IC monitors the optical modulation amplitude (OMA) of an Si MRM and provides the optimal heater setting for the maximum OMA. The IC consists of trans-impedance amplifier, power detector, track-and-hold circuit, comparator, digital-to-analog converter, and digital controller, all of which are integrated in a single chip. We demonstrate that, with this IC, an Si MRM can provide the maximum OMA for 25-Gb/s operation despite changes in temperature and input optical power.",
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A Temperature Controller IC for Maximizing Si Micro-Ring Modulator Optical Modulation Amplitude. / Kim, Min Hyeong; Zimmermann, Lars; Choi, Woo-Young.

In: Journal of Lightwave Technology, Vol. 37, No. 4, 8598657, 15.02.2019, p. 1200-1206.

Research output: Contribution to journalArticle

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