Highly-efficient waveguide-type red–green–blue laser beam combiners for compact projection-type displays
Sign Up to like & getrecommendations! Published in 2021 at "Optics Communications"
DOI: 10.1016/j.optcom.2021.127335
Abstract: Abstract A waveguide-type RGB laser beam combiner was fabricated and its optical properties were measured and analyzed through comparison with a simulation. The combiner has three different waveguides for RGB light inputs, three directional couplers,… read more here.
Keywords: multiplexing efficiency; laser; waveguide type; combiner ... See more keywords
A terahertz on-chip InP-based power combiner designed using coupled-grounded coplanar waveguide lines
Sign Up to like & getrecommendations! Published in 2021 at "Chinese Physics B"
DOI: 10.1088/1674-1056/ac05af
Abstract: This article presents the design and performance of a terahertz on-chip coupled-grounded coplanar waveguide (GCPW) power combiner using a 50μm-thick InP process. The proposed topology uses two coupled-GCPW lines at the end of the input… read more here.
Keywords: power combiner; combiner; power; terahertz chip ... See more keywords
mm-Wave Waveguide Traveling-Wave Power Combiner Design Using an Equivalent Circuit Model
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Access"
DOI: 10.1109/access.2019.2925897
Abstract: The waveguide traveling-wave power combiner (WTWPC) falls into the category of asymmetrical non-isolated power combiners, and, therefore, the active load modulation occurring within the combiner was investigated. Proper manipulation of active load modulation gave rise… read more here.
Keywords: equivalent circuit; wave power; combiner; traveling wave ... See more keywords
Efficient Millimeter Wave Doherty PA Design Based on a Low-Loss Combiner Synthesis Technique
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Microwave and Wireless Components Letters"
DOI: 10.1109/lmwc.2017.2763739
Abstract: We report on a record-efficient 30-GHz 21-dBm differential Doherty PA designed in a 130-nm SiGe process. The output network is designed using a recently developed combiner synthesis technique. This technique enables impedance inversion and parasitic… read more here.
Keywords: technique; combiner synthesis; synthesis technique; doherty ... See more keywords
12-Way 100 kW Reentrant Cavity-Based Power Combiner With Doorknob Couplers
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Microwave and Wireless Components Letters"
DOI: 10.1109/lmwc.2017.2780619
Abstract: We present radio frequency (RF) and thermal characterization of a compact 12-way power combiner designed for operation at 352 MHz at a power level of 100 kW with 5% duty factor. The combiner is based… read more here.
Keywords: reentrant cavity; power; power combiner; doorknob couplers ... See more keywords
A 220-GHz InP DHBT Power Amplifier With Integrated Planar Spatial Power Combiner
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Microwave and Wireless Components Letters"
DOI: 10.1109/lmwc.2019.2891893
Abstract: In this letter, we present a research on the application possibility of the integrated planar spatial (IPS) combiner in terahertz monolithic integrated circuits (TMICs). The IPS combiner has several attractive characters, such as low loss… read more here.
Keywords: power; tex math; inline formula; combiner ... See more keywords
A Novel Approach for Doherty PA Design Using a Compact L-C Combiner
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Circuits and Systems II: Express Briefs"
DOI: 10.1109/tcsii.2022.3185174
Abstract: In this brief, a new combiner analysis method for the design of Doherty Power Amplifiers (DPA) is proposed. A compact L-C combiner is used to validate the proposed method through both simulation and realization of… read more here.
Keywords: combiner; compact combiner; novel approach; design ... See more keywords
Generation of Mesoband Signals With Optoelectronic Technique and a Combiner for Intentional Electromagnetic Interference Conducted Tests
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Electromagnetic Compatibility"
DOI: 10.1109/temc.2020.3008291
Abstract: In this article, a source for generating conducted intentional electromagnetic interference with a mesoband spectrum is presented in order to perform electromagnetic susceptibility tests on electronic equipment. This high-voltage source is based on different optoelectronic… read more here.
Keywords: generation; intentional electromagnetic; electromagnetic interference; combiner ... See more keywords
High-beam-quality signal and pump combiner with large-mode-area fiber for high-power fiber laser and amplifier.
Sign Up to like & getrecommendations! Published in 2019 at "Applied optics"
DOI: 10.1364/ao.58.001336
Abstract: We investigate a high-beam-quality (6+1)×1 signal and pump combiner with 50 μm core diameter of the output fiber based on the tapered-fused fiber bundle technique for the first time. The influence of taper ratio of the… read more here.
Keywords: quality; high beam; combiner; beam quality ... See more keywords
Investigation of the pump coupling efficiency of a side-pumping combiner based on tapered-fused method.
Sign Up to like & getrecommendations! Published in 2021 at "Optics express"
DOI: 10.1364/oe.427234
Abstract: Side-pumping combiner is used for pumping double-clad fiber in various fiber laser schemes. However, its coupling efficiency and temperature characteristics suffer when pumped via a large numerical aperture (NA) pump light. We investigated the method… read more here.
Keywords: side pumping; pump; coupling efficiency; combiner ... See more keywords
Over-30-dB gain and 1-dB noise figure phase-sensitive amplification using a pump-combiner-integrated fiber I/O PPLN module.
Sign Up to like & getrecommendations! Published in 2021 at "Optics express"
DOI: 10.1364/oe.434601
Abstract: Phase-sensitive amplifiers (PSAs) via the optical parametric amplification (OPA) process are capable of near-noiseless amplification, which can improve the performance of optical communications systems. OPA based on periodically poled lithium niobate (PPLN) waveguides is a… read more here.
Keywords: gain; ppln; phase sensitive; combiner ... See more keywords