Highly efficient passive InP polarization rotator-splitter

S Keyvaninia, H Boerma, M Wössner, F Ganzer… - Optics …, 2019 - opg.optica.org
Monolithically integrated polarization beam splitters (PBSs) are needed to reduce the form-
factor and assembly cost of optical coherent receivers. A highly efficient passive polarization …

Compact symmetric polarization rotator-splitter on InP

M Ito, T Fukui, T Tanemura, Y Nakano - Optics Express, 2022 - opg.optica.org
Symmetric polarization rotator-splitter (PRS) is proposed and experimentally demonstrated
on InP for the first time. Instead of integrating a mode-selective splitter, we employ a …

Low-Polarization, Broad-Spectrum Semiconductor Optical Amplifiers

M Zhang, T Zhang, H Tang, L Liang, Y Chen, L Qin… - Nanomaterials, 2024 - mdpi.com
Polarization-insensitive semiconductor optical amplifiers (SOAs) in all-optical networks can
improve the signal-light quality and transmission rate. Herein, to reduce the gain sensitivity …

Complete retrieval of multi-level Stokes vector signal by an InP-based photonic integrated circuit

S Ghosh, T Suganuma, S Ishimura, Y Nakano… - Optics express, 2019 - opg.optica.org
An integrated Stokes vector receiver (SVR) that can retrieve state of polarization of light in
the three-dimensional (3D) Stokes space has widespread applications, such as short-reach …

Monolithically Integrable SQW High Speed Waveguide Photodiode With InGaAs/InP Graded Bandgap QW and SL Cladding

D Malik, U Das - Journal of Lightwave Technology, 2022 - ieeexplore.ieee.org
A monolithically integrable pin waveguide photodiode (WGPD) has been theoretically
analyzed and experimentally demonstrated. The pin WGPD comprises of a single quantum …

Dual-polarization Kramers-Kronig reception using two collinear polarization-selective photodiodes

I Sackey, M Gruner, R Emmerich… - 45th European …, 2019 - ieeexplore.ieee.org
We propose a novel integrated dual-polarization Kramers-Kronig (DP-KK) receiver
architecture using a photonic-integrated circuit (PIC) comprising two serially cascaded …

[PDF][PDF] Novel technology and device approaches for InP-on-SOI and InP photonic integrated circuits

S Keyvaninia - 2021 - depositonce.tu-berlin.de
Photonic integrated circuits (PICs) are key components in many areas, eg, optical data
transmission networks, sensor systems, and metrology equipment. They offer small footprint …

High-Speed Multiple Quantum Well Photodetector for Polarization Diverse Detection

T Beckerwerth, A Berisha, T Simoneit… - 2022 Compound …, 2022 - ieeexplore.ieee.org
We present a Multiple Quantum Well (MQW) based high-speed photodetector with a
responsivity for TE polarized light of 0.76 A/W and a polarization extinction ratio (PER) of 4.5 …

Polarization-diversity Kramers-Kronig heterodyne receiver and method

C Schmidt-Langhorst, R Elschner, R Emmerich… - US Patent …, 2023 - Google Patents
An apparatus includes an input receiving a modulated optical data signal having
components of at least first and second polarizations, a first optical detector receiving the …

Simplified optical transceivers for Stokes-vector transmission systems

S Ishimura, S Ghosh, Y Nakano… - Metro and Data Center …, 2020 - spiedigitallibrary.org
Stokes-vector modulation (SVM) formats have recently drawn attention for realizing low-cost
and high-capacity optical transceivers. However, SVM transmitters reported so far are still …