Now showing items 1-10 of 13
Application of coupled optoelectronic oscillator on optical sampling
A coupled optoelectronic oscillator (COEO) with a polarization-maintaining-fiber based laser cavity is constructed and demonstrated. The mode-locking process and the interaction between the intra cavity power and dispersion ...
Investigation of temperature sensitivity under the influence of coupling strength between a silica core and a satellite waveguide in a photonic crystal fiber with selective infiltration of glycerin
In this report, we carry out simulation and experimental investigations of directional coupler structures with different separations between the glycerin selectively infiltrated channel and silica core of a large mode area ...
Pulse shape tuning for 1064 nm nanosecond MOPA fibre laser
For a high power 1064 nm nanosecond MOPA pulse fibre laser, the seeding pulse shape is distorted after amplified by pre-amplifier and power-amplifier stages under the effect of gain saturation. As the pulse shape is crucial ...
Pixelated-core large pitch optical fibre design
This paper is reporting design and simulation of a pixelated-core large pitch optical fibre. With this new design, existence of higher order modes, mode instability at high power levels, mode shrinking and gain reduction ...
64 Core ultra dense multicore fiber design for optical fronthaul systems
To make the most of spatial efficiency, we design 64-core trench-assisted multi-core fiber with the maximum crosstalk less than -14dB/20km, which is appropriate for the optical wireless fronthaul systems with inherent MIMO ...
Efficient edge coupler for higher order mode fiber-to-chip coupling
An edge coupler composed of two tapered waveguides and a Y-branch for LP11-TE1 mode coupling and mapping is proposed on silicon-on-insulator platform. An average 3 dB coupling loss can be acquired within 100 nm bandwidth.
In-line optofluidic refractive index sensing in a side-channel photonic crystal fiber
An in-line optofluidic refractive index (RI) sensing platform is constructed by splicing a side-channel photonic crystal fiber (SC-PCF) with side-polished single mode fibers. A long-period grating (LPG) combined with an ...
Hybrid Graphene/Gold Plasmonic Fiber-Optic Biosensor
A 2D material/metal hybrid plasmonic sensor is demonstrated by direct integration of graphene layer on gold-coated optical fiber. Both linear response to wide range ssDNA concentration from 1 × 10−12 to 10 × 10−6m and low ...
Widely tunable Tm-doped mode-locked all-fiber laser
We demonstrated a widely tunable Tm-doped mode-locked all-fiber laser, with the widest tunable range of 136 nm, from 1842 to 1978 nm. Nonlinear polarization evolution (NPE) technique is employed to enable mode-locking and ...
Single-wall carbon nanotubes and graphene oxide-based saturable absorbers for low phase noise mode-locked fiber lasers
Low phase noise mode-locked fiber laser finds important applications in telecommunication, ultrafast sciences, material science, and biology, etc. In this paper, two types of carbon nano-materials, i.e. single-wall carbon ...