Ultra-short silicon-organic hybrid (SOH) modulator for bidirectional polarization-independent operation

Schindler, P. C.; Lauermann, Matthias; Wolf, S.; Korn, D.; Palmer, R.; Koeber, S.; Heni, Wolfgang; Ludwig, Alexandra; Schmogrow, R.; Elder, D.I.; Dalton, L. R.; Bogaerts, Wim; Yu, Hui; Freude, W.; Leuthold, Juerg; Koos, C.

doi:10.1109/ecoc.2014.6964098

Cited by 5 publications

(2 citation statements)

References 13 publications

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“…Several methods have been proposed for realizing polarization-insensitive modulators by using, for example, electrode sets [4][5][6], bidirectional modulation [7][8][9][10], or tensile strained quantum wells [11][12][13]. The most effective method is to introduce two independent electrode sets for the desired transverse electric (TE) and transverse magnetic (TM) polarizations.…”

Section: Introductionmentioning

confidence: 99%

“…However, this method leads to have long waveguides and large operating voltages, limited by the small change in the refractive index change of common electrooptic crystals [5], which is not efficient for high-speed modulation [7]. The bidirectional modulation method is based on bidirectional phase modulation for the TE and TM modes through a Sagnac loop, which overcomes the intrinsic polarization dependence of silicon photonic modulators [8]. In the case of bidirectional operation, the device's bandwidth is limited to several GHz, due to the counter-propagation of the electrical and optical waves [9].…”

Section: Introductionmentioning

confidence: 99%

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Polarization-Insensitive Phase Modulators Based on an Embedded Silicon-Graphene-Silicon Waveguide

Zou

Zhang

et al. 2019

Applied Sciences

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A polarization-insensitive phase modulator concept is presented, based on an embedded silicon-graphene-silicon waveguide. Simulation results show that the effective mode index of both transverse electric (TE) and transverse magnetic (TM) modes in the silicon-graphene-silicon waveguide undergoes almost the same variations under different biases across a broad wavelength range, in which the real-part difference is less than 1.2 × 10 −3 . Based on that, a polarization-insensitive phase modulator is demonstrated, with a 3-dB modulation bandwidth of 135.6 GHz and a wavelength range of over 500 nm. Moreover, it has a compact size of 60 µm, and a low insertion loss of 2.12 dB. The proposed polarization-insensitive waveguide structure could be also applied to Mach-Zehnder modulators and electro-absorption modulators.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Polarization-Insensitive Phase Modulators Based on an Embedded Silicon-Graphene-Silicon Waveguide

Zou

Zhang

et al. 2019

Applied Sciences

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Silicon-organic hybrid photonics: Overview of recent advances, electro-optical effects and CMOS-integration concepts

et al. 2021

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In recent decades, much research effort has been invested in the development of photonic integrated circuits, and silicon-on-insulator technology has been established as a reliable platform for highly scalable silicon-based electro-optical modulators. However, the performance of such devices is restricted by the inherent material properties of silicon. An approach to overcoming these deficiencies is to integrate organic materials with exceptionally high optical nonlinearities into a silicon-on-insulator photonic platform. Silicon-organic hybrid photonics has been shown to overcome the drawbacks of silicon-based modulators in terms of operating speed, bandwidth, and energy consumption. This work reviews recent advances in silicon-organic hybrid photonics and covers the latest improvements to single components and device concepts. Special emphasis is given to the in-device performance of novel electro-optical polymers and the use of different electro-optical effects, such as the linear and quadratic electro-optical effect, as well as the electric-field-induced linear electro-optical effect. Finally, the inherent challenges of implementing non-linear optical polymers on a silicon photonic platform are discussed and a perspective for future directions is given.

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Ultra-Dense, Single-Wavelength DFT-Spread OFDMA PON With Laserless 1.2 Gb/s ONU Ready for Silicon Photonics Integration

Schindler

Agmon

Wolf

et al. 2015

J. Lightwave Technol.

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Ultra-short silicon-organic hybrid (SOH) modulator for bidirectional polarization-independent operation

Abstract: Abstract:We propose a bidirectional, polarization-independent, recirculating IQ-modulator scheme based on the silicon-organic hybrid (SOH) platform. We demonstrate the viability of the concept by using an

Cited by 5 publications

References 13 publications

Polarization-Insensitive Phase Modulators Based on an Embedded Silicon-Graphene-Silicon Waveguide

Polarization-Insensitive Phase Modulators Based on an Embedded Silicon-Graphene-Silicon Waveguide

Silicon-organic hybrid photonics: Overview of recent advances, electro-optical effects and CMOS-integration concepts

Ultra-Dense, Single-Wavelength DFT-Spread OFDMA PON With Laserless 1.2 Gb/s ONU Ready for Silicon Photonics Integration

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