61 citations · 245 across the 15 of their papers we have counts for
16 papers
A focusing optical phased array for tissue interrogation with side-lobe suppression and simplified beam steering
Pedram Hosseini, Alireza Tabatabaei Mashayekh, Prachi Agrawal +6
We implement an integrated multi-electrode array on a silicon-nitride-based photonic integrated circuit for ex-vivo retinal characterization via optical stimulation. The interrogat…
Silicon Nitride C-Band Grating Coupler with Reduced Waveguide Back-Reflection Using Adaptively Corrected Elliptical Grates
Ibrahim Ghannam, Florian Merget, Jeremy Witzens
We present experimental results for a fully etched C-band grating coupler with reduced back reflection fabricated in an 800 nm silicon nitride platform. Back-reflections are reduce…
Focusing Optical Phased Array for Optically Enabled Probing of the Retina with Subcellular Resolution
Pedram Hosseini, Prachi Agrawal, Alireza Tabatabaei Mashayekh +3
We present a silicon-nitride-based optical phased array with built-in focusing and steering capability, that operates at 522 nm and is aimed at complementing a micro-electrode arra…
External Cavity 637-nm Laser with Increased RSOA-to-PIC Alignment Tolerance and a Filtered Sagnac-Loop Reflector with Single Output Waveguide
Georgios Sinatkas, Arijit Misra, Florian Merget +1
The design of a 637-nm wavelength, photonic-integrated-circuit-based external cavity laser (PIC-based ECL) aimed at quantum technology applications is presented together with first…
An efficient singlet-triplet spin qubit to fiber interface assisted by a photonic crystal cavity
Kui Wu, Sebastian Kindel, Thomas Descamps +6
We introduce a novel optical interface between a singlet-triplet spin qubit and a photonic qubit which would offer new prospects for future quantum communication applications. The…
Modeling of an efficient singlet-triplet spin qubit to photon interface assisted by a photonic crystal cavity
Kui Wu, Sebastian Kindel, Thomas Descamps +6
Efficient interconnection between distant semiconductor spin qubits with the help of photonic qubits would offer exciting new prospects for future quantum communication application…
Silicon Nitride External Cavity Laser with Alignment Tolerant Multi-Mode RSOA-to-PIC Interface
Ibrahim Ghannam, Bin Shen, Florian Merget +1
We demonstrate an external cavity laser formed by combining a silicon nitride photonic integrated circuit with a reflective semiconductor optical amplifier. The laser uses an align…
Photonic integrated circuits for life sciences
Jeremy Witzens, Patrick Leisching, Alireza T. Mashayekh +7
We report on the use of silicon nitride (SiN) photonic integrated circuits (PICs) in high-value instrumentation, namely multi-color laser engines (MLEs), a core element of cutting-…
Silicon Photonics DWDM NLFT Soliton Transmitter
Jonas Koch, Alvaro Moscoso-Mártir, Juliana Müller +3
We investigate the transmission of densely multiplexed solitons using a photonic integrated chip and the nonlinear Fourier-transform and analyze required launch conditions, the eff…
Semiconductor laser mode locking stabilization with optical feedback from a silicon PIC
Johannes Hauck, Andrea Zazzi, Alexandre Garreau +4
Semiconductor mode-locked lasers can be used in a variety of applications ranging from multi-carrier sources for WDM communication systems to time base references for metrology. Th…
Broadband, Temperature Tolerant and Passively Biased Resonantly Enhanced Mach-Zehnder Modulators
S. Romero-García, A. Moscoso-Mártir, J. Nojic +5
We describe a resonantly enhanced Mach-Zehnder modulator (MZM) that can be operated over a wide temperature range of 55C without being actively biased, while providing a significan…
Stabilization and frequency control of a DFB laser with a tunable optical reflector integrated in a Silicon Photonics PIC
Johannes Hauck, Matthias Schrammen, Sebastían Romero-García +5
We investigate the effect of tunable optical feedback on a commercial DFB laser edge coupled to a Silicon Photonics planar integrated circuit in which a tunable reflector has been…
Silicon Photonics WDM Transceiver with SOA and Semiconductor Mode-Locked Laser
Alvaro Moscoso-Mártir, Juliana Müller, Johannes Hauck +18
We demonstrate a complete Silicon Photonics WDM link relying on a single section semiconductor mode-locked laser and a single SOA to support up to 12 multiplexed channels with a bi…
High Speed WDM Interconnect Using Silicon Photonics Ring Modulators and Mode-Locked Laser
Juliana Müller, Johannes Hauck, Alvaro Moscoso-Mártir +6
We demonstrate an 8 by 14 Gbps compatible WDM link based on a single-section semiconductor mode-locked laser, silicon photonics resonant ring modulators and joint channel reamplifi…
High frequency electro-optic measurement of strained silicon racetrack resonators
M. Borghi, M. Mancinelli, F. Merget +5
The observation of the electro-optic effect in strained silicon waveguides has been considered as a direct manifestation of an induced non-linearity in the material. In t…
Edge Couplers with relaxed Alignment Tolerance for Pick-and-Place Hybrid Integration of III-V Lasers with SOI Waveguides
Sebastian Romero-García, Bahareh Marzban, Florian Merget +2
We report on two edge-coupling and power splitting devices for hybrid integration of III-V lasers with sub-micrometric silicon-on-insulator (SOI) waveguides. The proposed devices r…