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Photonics

多模带隙工程

Multimode bandgap engineering

A strategy for manipulating supported Bloch modes and their bandgaps in one-dimensional grating-based photonic crystal waveguides (PCWs) by strategically widening the transverse dimension. / 一种通过策略性拓宽一维光子晶体波导横向尺寸来操控支持布洛赫模及其带隙的策略。

Knowledge type
工艺技术
First proposed or discovered
Proposer
Turkey Farm member
Creator
农场主
Last updated
2026-11-15 17:07:15
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Sub-knowledge points

All-pass regimeSelective-pass regimeAll-block regime

Higher-order knowledge points

Polarization Beam Splitter / 物理设备Higher-order mode (HOM) pass-filtering architectureCompact HOM-pass filters (TE1-pass, TE2-pass, TE3-pass)Wavelength demultiplexer

Main parameters and performance indicators

Transverse dimension: Widened to expand supported modes and bandgapsBandwidth: Exceeds 200 nm, 123 nm, and 70 nm for TE1, TE2, and TE3 pass filters respectivelyExtinction Ratio (ER): Greater than 20 dBInsertion Loss (IL): Below 2 dB

Open problems

No unresolved problem recorded yet

Related literature

ranked by community stars
Multiple mode band engineering in 1D grating-based photonic crystal waveguides for multidimensional silicon on-chip filtersOpen source

Related products and links

TE1-pass filterTE2-pass filterTE3-pass filterPolarizerPolarization beam splitterWavelength demultiplexer

Creation and modification trail

1 records
automated knowledge publish农场主2026-11-15 17:07:15

Record title: Multimode bandgap engineering.