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Based on subwavelength gratings, here, we show that it is possible to create broadband, multimode waveguides with very low propagation losses despite using a strongly absorbing material.
With the rising demand for bandwidth and reliable data transmission, low-loss, wide-bandwidth, and fabrication-tolerant planar lightwave circuit (PLC) devices have emerged as a critical component for
Professional comparison of FBT and PLC optical splitters for PON networks. Analyze insertion loss, uniformity, cost, and application scenarios to choose the right splitter for GPON, XGS
This work presents the first passivated, open-pore structure, large-mode field diameter PS waveguide with low propagation loss and low alignment
Systematic investigation on the fabricated waveguide amplifiers reveals remarkable optical gain around the peak wavelength of 1532 nm as well as the low fiber-coupling loss of −1.2
Planar waveguides with low loss that are fully compatible with existing photonic circuit fabrication techniques are missing.
Achieving extremely low optical loss often requires a corresponding increase in the device footprint. This work explores a regime in integrated photonics in which optical loss at parity with the world-record
In contrast, planar waveguides are often used in low-power applications, such as wireless local area networks, due to their low cost and compact size. By selecting the appropriate type of
Features k-Wave is an open source acoustics toolbox for MATLAB and C++ developed by Bradley Treeby and Ben Cox (University College London) and Jiri Jaros (Brno University of Technology). The
Loss as low as 0.1 dB cm 1 has been demonstrated by wafer bond-ing of thermal oxide in planar waveguides. This loss is estimated as being close to the fundamental loss of Si3N4 waveguides.
Based on subwavelength gratings, here, we show that it is possible to create broadband, multimode waveguides with very low propagation losses despite using a strongly absorbing material.
Short-carrier-lifetime photoconductive materials and record-performing PCAs Since 2021, high-performance THz photoconductive antennas have evolved along two closely related directions:
We experimentally analyze tradeoffs in terms of waveguide losses, dispersion engineering and single-mode behaviour for different waveguide geometries.
The combining microelectronic devices and associated technologies onto a single silicon chip poses a substantial challenge. However, in recent years, the area of silicon photonics has
Photonic integrated circuits (PIC) enable the miniaturization and integration of optical components on a single chip. Essential for testing of PICs, especially when sources and detectors are not integrated
COMPARISON OF RECENTLY PUBLISHED W -BAND WAVEGUIDE BANDPASS FILTERSdemonstrate a comparable performance (in terms of low insertion loss and good return
We compare ultra-low-loss silica waveguides with PECVD SiO2, borophosphosilicate glass (BPSG), and wafer-bonded thermal oxide upper
High-performance EOMs based on thin-film lithium niobate (TFLN) have been extensively studied and optimized for the conventional telecommunication band around 1550 nm, exhibiting
Reducing the bending radius of silica waveguides with low bend loss is vital in miniaturizing silica planar light-wave circuits. The Eaton lens is a gradient index lens that can bend parallel
Abstract—In this work we study the limits of miniaturization of a 90-degree hybrid coupler working in the L, C and S bands, with respect to a number of performance parameters aimed at its application for
Abstract: We compare ultra-low-loss silica waveguides with PECVD SiO2, borophosphosilicate glass (BPSG), and wafer-bonded thermal oxide upper claddings. We demonstrate fiber-like (0.045 dB/m)
The obtained simulation results of all designed splitters with different S-Bend shape waveguides together with the different waveguide core sizes are discussed and compared with each
Second, it addresses MMIC integration by proposing and validating compact, low-loss transitions between planar chips and gap waveguides, progressing from early demonstrators to surface
In radio-frequency engineering and communications engineering, a waveguide is a hollow metal pipe used to carry radio waves. This type of waveguide is used
The building block of an optical device/circuit is the optical waveguide, which enables low-loss light propagation and is thereby used to connect components and devices.
Photonic crystal slow-light waveguide optical buffer memory devices are advanced integrated photonic components designed to temporarily store optical signals by significantly reducing the group velocity
Abstract Taper optical waveguide and microcavity coupling system based on the taper-fiber and planar microring cavity coupling theory was
To address the demand for low-cost, low-loss, and environmentally friendly optical power dividers in short-range visible light communication (VLC) systems, a low-loss 1 × 2 Y-branch optical
Andrey Khudchenko (Astro Space Center of Lebedev Physical Institute RAS, Moscow, Russia, Russia)
We compare ultra-low-loss silica waveguides with PECVD SiO 2, borophosphosilicate glass (BPSG), and wafer-bonded thermal oxide upper
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