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7 µm-long all-optical 1×2 switch utilizing Si/VO 2 hybrid waveguide
2017 Edition, May 1, 2017 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

In this paper, a compact and CMOS compatible all-optical 1×2 switch based on directional coupler is proposed. One waveguide of directional coupler is a conventional silicon waveguide while else is a hybrid silicon/VO 2...

tSDX: Enabling Impairment-Aware All-Optical Inter-Domain Exchange
Volume PP - IEEE - Institute of Electrical and Electronics Engineers, Inc.

Optical transmission systems exist ubiquitously in data center, access, metro and long-haul networks, and are divided into different autonomous domains based on different carrier ownership, network equipment manufacturers, geographical location, etc. Software-defined Internet exchange...

Long Distance Measurement System by Optical Sampling Using a Femtosecond Laser
Volume PP - IEEE - Institute of Electrical and Electronics Engineers, Inc.

A long-distance measurement system is proposed in this paper, which is based on optical sampling using a femtosecond fiber laser. The measurement principle and the importance of dispersion compensation are theoretically analyzed in the time domain. By sweeping the repetition rate...

All-fiber active tractor beam generator and its application
Volume PP - IEEE - Institute of Electrical and Electronics Engineers, Inc.

We propose and demonstrate an all-fiber probe to generate an active tractor beam by changing the gradients of optical intensity distributions. We grind the tip of a seven-core fiber (SCF) into a truncated hexagonal pyramid shape to integrate three equivalent two-core fiber...

High Average Power Picosecond Thulium-doped All-fiber Amplifier
2019 Edition, December 1, 2019 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

We reported the demonstration of high average power picosecond thulium-doped fiber amplifier (TDFA) at 2 µm using chirped pulse amplification technique. Here, the seed laser of the TDFA is an all-fiber passively mode-locked thulium-doped fiber laser with a the pulse duration of...

Efficient all-optical transistor action in short-length multimode optical fibers
Volume PP - IEEE - Institute of Electrical and Electronics Engineers, Inc.

The quest for realizing an all-optical transistor while fulfilling desired criteria has been around since long time. Various schemes have been put forward over the years to achieve it; however, almost all techniques make use of at least two different laser sources....

Realization of all optical J-K flipflops in mid-IR wavelengths Using Triple-core Photonic Crystal Fiber
2019 Edition, December 1, 2019 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

We design the GeAsS triple-core photonic crystal fiber (TPCF) to obtain the efficient all-optical J-K flipflop in mid-infrared (IR) wavelength. Non-linearity and dispersion of proposed fiber is calculated at input wavelength of 3.1 µm. The evolution of pulse propagation is...

A Programmable All-optical Delay Array for Light Detection and Ranging Scene Generation
Volume PP - IEEE - Institute of Electrical and Electronics Engineers, Inc.

Light detection and ranging (LiDAR) scene generator is an important device in LiDAR guidance hardware-in-the-loop (HWIL) simulation system. It generates simulated optical LiDAR scenes under laboratory conditions. A simulated LiDAR scene consists of an array of laser return signals with...

Broadband high-energy all-fiber laser at 1.6 μm
Volume PP - IEEE - Institute of Electrical and Electronics Engineers, Inc.

A broadband high-energy all-fiber laser at 1.6-μm window with erbium-doped fiber mode locked by nonlinear polarization rotation technology is demonstrated. The direct output optical spectrum centered at 1.6 μm has a bandwidth of 52.4 nm. The fiber laser delivers a pulse energy of 3.9...

All-fiber Vortex Laser Generated with Few-mode Long-period Gratings
Volume PP - IEEE - Institute of Electrical and Electronics Engineers, Inc.

We report a simple method for generating optical vortex beams (OVB) from an all-fiber laser. An intracavity mode converter based on few-mode fiber long-period gratings was used to enable the OVB operation. The intensity profiles and the wavefront helicity of the output laser...

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