Publications (14)
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 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…
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…
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…
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…
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…
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…
Stabilization and frequency control of a DFB laser with a tunable optical reflector integrated in a Silicon Photonics PIC
Johannes Hauck, Matthias Schrammen, SebastÃan Romero-GarcÃa +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 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…
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-…
Edge Couplers with relaxed Alignment Tolerance for Pick-and-Place Hybrid Integration of III-V Lasers with SOI Waveguides
Sebastian Romero-GarcÃa, 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…