Wavelength-size hybrid Si-VO2 waveguide electroabsorption optical switches and photodetectors
A Joushaghani, J Jeong, S Paradis, D Alain… - Optics express, 2015 - opg.optica.org
Ultra-compact waveguide electroabsorption optical switches and photodetectors with micron-
and sub-micron lengths and compatible with silicon (Si) waveguides are demonstrated …
and sub-micron lengths and compatible with silicon (Si) waveguides are demonstrated …
A dynamically modulated all‐dielectric metasurface doublet for directional harmonic generation and manipulation in transmission
In this paper, an electrically tunable all‐dielectric metasurface doublet is proposed operating
at mid‐infrared frequency regime with dynamic 2π phase span in transmission mode. Each …
at mid‐infrared frequency regime with dynamic 2π phase span in transmission mode. Each …
Monolithic integration of silicon-, germanium-, and silica-based optical devices for telecommunications applications
T Tsuchizawa, K Yamada, T Watanabe… - IEEE Journal of …, 2010 - ieeexplore.ieee.org
This paper presents our recent progress with the integration of silicon (Si) photonic devices
for optical telecommunications. To integrate Si wire waveguides, germanium (Ge) …
for optical telecommunications. To integrate Si wire waveguides, germanium (Ge) …
Nonlinear carrier dynamics in silicon nano-waveguides
The understanding of free-carrier dynamics in silicon photonic nano-waveguides and micro-
cavities is fundamental to several nonlinear optical phenomena. Through time-resolved …
cavities is fundamental to several nonlinear optical phenomena. Through time-resolved …
Strain-induced enhancement of plasma dispersion effect and free-carrier absorption in SiGe optical modulators
The plasma dispersion effect and free-carrier absorption are widely used to change
refractive index and absorption coefficient in Si-based optical modulators. However, the …
refractive index and absorption coefficient in Si-based optical modulators. However, the …
Study of nonlinear effects and self-heating in a silicon microring resonator including a Shockley-Read-Hall model for carrier recombination
M Novarese, SR Garcia, S Cucco, D Adams… - Optics …, 2022 - opg.optica.org
A detailed description of the non-linear effects in silicon is needed when designing ring
resonators in the silicon platform. The optical field propagating in the ring waveguide is …
resonators in the silicon platform. The optical field propagating in the ring waveguide is …
Analog optical computing primitives in silicon photonics
Optical computing accelerators help alleviate bandwidth and power consumption
bottlenecks in electronics. We show an approach to implementing logarithmic-type analog …
bottlenecks in electronics. We show an approach to implementing logarithmic-type analog …
Monolithic integration of a silica-based arrayed waveguide grating filter and silicon variable optical attenuators based on p–i–n carrier-injection structure
H Nishi, T Tsuchizawa, T Watanabe… - Applied Physics …, 2010 - iopscience.iop.org
We demonstrate the monolithic integration of a silica-based arrayed waveguide grating
(AWG) filter and silicon (Si) variable optical attenuators (VOAs) by connecting them with spot …
(AWG) filter and silicon (Si) variable optical attenuators (VOAs) by connecting them with spot …
Simulation of silicon waveguide single-photon avalanche detectors for integrated quantum photonics
Integrated quantum photonics is recognized as a key enabling technology on the road
towards scalable quantum networking schemes. However, many state-of-the-art integrated …
towards scalable quantum networking schemes. However, many state-of-the-art integrated …
Polarization insensitive silicon photonic ROADM with selectable communication direction for radio access networks
We report on an experimental prototype of a low-cost silicon photonic reconfigurable optical
add/drop multiplexer (ROADM). The device is able to operate with up to 12 wavelength …
add/drop multiplexer (ROADM). The device is able to operate with up to 12 wavelength …