Results 1 to 10 of about 43,418 (51)

Low-Complexity Chromatic Dispersion Equalization FIR Digital Filter for Coherent Receiver

open access: yesPhotonics, 2022
This paper proposes a novel and efficient low-complexity chromatic dispersion equalizer (CDE) based on finite impulse response (FIR) filter architecture for polarization-multiplexed coherent optical communication systems.
Zicheng Wu   +4 more
doaj   +1 more source

A New Type of Etched Fiber Grating Hydrophone

open access: yesPhotonics, 2022
We propose a new type of fiber hydrophone composed of an etched fiber Bragg grating and a special packaging structure for detecting acoustic waves in the low-frequency band under water.
Wen-Fung Liu   +4 more
doaj   +1 more source

Design of PCF Supporting 86 OAM Modes with High Mode Quality and Low Nonlinear Coefficient

open access: yesPhotonics, 2022
A unique photonic crystal fiber with square and circular air holes (SC-PCF) is designed in this research. Three layers of circular air holes and two levels of square air holes make up the fiber cladding.
Yang Yu   +6 more
doaj   +1 more source

A Light Field Display Realization with a Nematic Liquid Crystal Microlens Array and a Polymer Dispersed Liquid Crystal Film

open access: yesPhotonics, 2022
This study demonstrates a light field display system using a nematic liquid crystal (LC) microlens array (MLA) and a polymer dispersed liquid crystal (PDLC) film.
Hui Li   +5 more
doaj   +1 more source

Problems of Red Blood Cell Aggregation and Deformation Assessed by Laser Tweezers, Diffuse Light Scattering and Laser Diffractometry

open access: yesPhotonics, 2022
This study aims to highlight the problems with implementing optical techniques (laser tweezers, diffuse light scattering and laser diffractometry) in clinical hemorheological practice.
Alexey Semenov   +4 more
doaj   +1 more source

Topology-Abstraction-Based Protection Scheme in Quantum Key Distribution Networks with Partially Trusted Relays

open access: yesPhotonics, 2022
Quantum key distribution (QKD) can protect the exchange process of confidential information between communicating parties. By using the basic principles of quantum mechanics and combined with “one-time pad” cipher encryption, information can be ...
Qin Zhang   +4 more
doaj   +1 more source

Period-One Laser Dynamics for Photonic Microwave Signal Generation and Applications

open access: yesPhotonics, 2022
Due to the advantages of rich dynamics, small size, and easy integration, semiconductor lasers have many applications in microwave photonics. With a proper perturbation to invoke period-one (P1) nonlinear laser dynamics, a widely tunable microwave signal
Pei Zhou, Nianqiang Li, Shilong Pan
doaj   +1 more source

Depth Estimation Using Feature Pyramid U-Net and Polarized Self-Attention for Road Scenes

open access: yesPhotonics, 2022
Studies have shown that the observed image texture details and semantic information are of great significance for the depth estimation on the road scenes.
Bo Tao   +4 more
doaj   +1 more source

Double Heterojunction Crystalline Silicon Solar Cells: From Doped Silicon to Dopant-Free Passivating Contacts

open access: yesPhotonics, 2022
Carrier-selective passivating contacts for effective electron and hole extraction are crucial to the attainment of high efficiency in crystalline silicon (Si) solar cells.
Terence K.S. Wong, Keyi Pei
doaj   +1 more source

The Performance of Orbital Angular Momentum Mode (|l| = 1~3) Amplification Based on Ring-Core Erbium-Doped Fibers

open access: yesPhotonics, 2022
We demonstrated that a ring-core erbium-doped fiber amplifier (RC-EDFA) can support orbital angular momentum (OAM) modes with topological charges (|l| = 1~3).
Shuaishuai Liu   +7 more
doaj   +1 more source

Home - About - Disclaimer - Privacy