Delay-induced instability in phase-locked dual-polarization distributed
We study experimentally and theoretically a dual-polarization fiber laser submitted to time-delayed frequency-shifted optical feedback.
In‐Plane 1.5 µm Distributed Feedback Lasers
In article number 2300549, Kei May Lau and colleagues present efficient and in-plane III–V distributed feedback (DFB) lasers selectively grown on
Distributed Feedback Laser
The simple design of fibre lasers with reflectors spread in space along light propagation direction is represented by the so-called distributed feedback (DFB) and distributed Bragg reflector (DBR) lasers.
Monolithically integrated laser with DBR for wideband and low time
Therefore, a monolithically integrated laser with a distributed Bragg reflector (DBR) is designed. This proposed chaotic laser consists of a distributed feedback (DFB) laser section, a
In‐Plane 1.5 µm Distributed Feedback Lasers Selectively Grown on
In article number 2300549, Kei May Lau and colleagues present efficient and in-plane III–V distributed feedback (DFB) lasers selectively grown on (001) silicon-on-insulator (SOI) wafers.
Feedback sensitivity of distributed-feedback laser diodes in terms
We have given an exact derivation for the changes in threshold gain, emission wavelength, and linewidth of a DFB laser due to the presence of weak external optical feedback.
Advanced distributed feedback lasers based on composite fiber
The developed technologies form an advanced platform for Er3+-doped fiber DFB lasers operating around 1.55 µm with excellent output characteristics and unique practical features, in
Distributed-Feedback Lasers (DFB)
A Distributed-feedback (DFB) laser is a semiconductor source of coherent light, whose active region includes periodic changes in the effective refractive index along the cavity.
Long delay optical feedback sensitivity of Hybrid III-V/SOI Directly
Abstract: Hybrid III-V/SOI DFB lasers subjected to external optical feedback is analyzed. Its impact on optical spectrum, eye diagram and bit error rate (BER) is discussed.
Distributed-feedback laser
A distributed-feedback laser (DFB) is a type of laser diode, quantum-cascade laser or optical-fiber laser where the active region of the device contains a periodically structured element or diffraction grating.
Study on the Dynamic Characteristics of DM-DFBL Self-Delayed
In this paper, the nonlinear dynamic state generated by directly modulated distributed feedback semiconductor laser (DM-DFBL) self-delayed feedback with an optoelectronic oscillation
Enhanced Modulation Bandwidth by Delayed Push–Pull Modulated
Using these parameters, we simulate the performance of the DPPM-DFB laser and compare it to that of the PPM-DFB laser and the conventional DML, all of which have the same structure except for the
Optical Power Meters & Sources
High-precision power meters (Ge/InGaAs) and stabilized light sources for insertion loss and return loss testing.
OTDR & Fiber Characterization
Full-featured OTDR, fiber OTDR testers, and modular OTDR test modules for network deployment and troubleshooting.
OSA & Eye Diagram Analyzer
High-resolution OSA for DWDM and eye diagram testers for signal integrity validation.
BERT & Endface Inspection
BERT up to 800G, fiber endface inspection probes, and extinction ratio meters for comprehensive testing.