Recent progress on Ge/SiGe quantum well optical modulators, detectors, and emitters for optical interconnects

P Chaisakul, V Vakarin, J Frigerio, D Chrastina, G Isella… - Photonics, 2019 - mdpi.com
Germanium/Silicon-Germanium (Ge/SiGe) multiple quantum wells receive great attention for
the realization of Si-based optical modulators, photodetectors, and light emitters for short …

Optical and magneto-optical behavior of Cerium Yttrium Iron Garnet thin films at wavelengths of 200–1770 nm

MC Onbasli, L Beran, M Zahradník, M Kučera… - Scientific reports, 2016 - nature.com
Magneto-optical cerium-substituted yttrium iron garnet (Ce: YIG) thin films display Faraday
and Kerr rotation (rotation of light polarisation upon transmission and reflection, respectively) …

Random sized plasmonic nanoantennas on Silicon for low-cost broad-band near-infrared photodetection

MA Nazirzadeh, FB Atar, BB Turgut, AK Okyay - Scientific reports, 2014 - nature.com
In this work, we propose Silicon based broad-band near infrared Schottky barrier
photodetectors. The devices operate beyond 1200 nm wavelength and exhibit …

Fast switching response of Na-doped CZTS photodetector from visible to NIR range

OP Singh, A Sharma, KS Gour, S Husale… - Solar Energy Materials …, 2016 - Elsevier
It is important to study the photoconductivity to understand the optoelectronic properties of
semiconductor thin films. Here, we report the effect of Na do** on the photoconductivity …

All-silicon microring avalanche photodiodes with a> 65 A/W response

Y Peng, Y Yuan, WV Sorin, S Cheung, Z Huang… - Optics Letters, 2023 - opg.optica.org
We report an all-Si microring (MRR) avalanche photodiode (APD) with an ultrahigh
responsivity (R) of 65 A/W, dark current of 6.5 µA, and record gain-bandwidth product (GBP) …

Enhanced photoresponse of Cu2ZnSn (S, Se) 4 based photodetector in visible range

KS Gour, OP Singh, B Bhattacharyya, R Parmar… - Journal of Alloys and …, 2017 - Elsevier
Fast switching response of photodetectors is needed for many applications. Therefore, it is
necessary to study the photoconductivity properties of earth abundant and cost effective …

Integration of bulk-quality thin film magneto-optical cerium-doped yttrium iron garnet on silicon nitride photonic substrates

MC Onbasli, T Goto, X Sun, N Huynh, CA Ross - Optics express, 2014 - opg.optica.org
Cerium substituted yttrium iron garnet (Ce: YIG) films were grown on yttrium iron garnet (YIG)
seed layers on silicon nitride films using pulsed laser deposition. Optimal process conditions …

Mechanisms of enhanced sub-bandgap absorption in high-speed all-silicon avalanche photodiodes

Y Yuan, WV Sorin, D Liang, S Cheung, Y Peng… - Photonics …, 2023 - opg.optica.org
All-silicon (Si) photodiodes have drawn significant interest due to their single and simple
material system and perfect compatibility with complementary metal-oxide semiconductor …

Low-voltage broad-band electroabsorption from thin Ge/SiGe quantum wells epitaxially grown on silicon

EH Edwards, L Lever, ET Fei, TI Kamins, Z Ikonic… - Optics express, 2013 - opg.optica.org
We demonstrate electroabsorption contrast greater than 5 dB over the entire
telecommunication S-and C-bands with only 1V drive using a new Ge/SiGe QW epitaxy …

Advances toward Ge/SiGe quantum-well waveguide modulators at 1.3 μm

MS Rouifed, D Marris-Morini… - IEEE Journal of …, 2013 - ieeexplore.ieee.org
The paper reports on the developments of Ge/SiGe quantum well (QW) waveguide
modulators operating at 1.3 μm. Two modulator configurations have been studied: The first …