scholarly journals Ultra-broadband and compact polarizing beam splitter in silicon photonics

OSA Continuum ◽  
2020 ◽  
Vol 3 (3) ◽  
pp. 560
Author(s):  
Fang Zhang ◽  
Jiajiu Zheng ◽  
Yipeng Song ◽  
Weixi Liu ◽  
Peipeng Xu ◽  
...  
Keyword(s):  
Silicon Photonics ◽  
Beam Splitter ◽  
Polarizing Beam Splitter

scholarly journals Tilted Nano-Grating Based Ultra-Compact Broadband Polarizing Beam Splitter for Silicon Photonics

Nanomaterials ◽  
2021 ◽  
Vol 11 (10) ◽  
pp. 2645
Author(s):  
Haipeng Liu ◽  
Jijun Feng ◽  
Jinman Ge ◽  
Shanqing Zhuang ◽  
Shuo Yuan ◽  
...  
Keyword(s):  
Silicon Photonics ◽  
Beam Splitter ◽  
Extinction Ratio ◽  
Transverse Magnetic ◽  
Proof Of Concept ◽  
Coupling Region ◽  
Transverse Magnetic Mode ◽  
Practical Applications ◽  
Silicon Photonic ◽  
Polarizing Beam Splitter

An ultra-compact broadband silicon polarizing beam splitter is proposed based on a tilted nano-grating structure. A light cross coupling can be realized for transverse-magnetic mode, while the transverse-electric light can almost completely output from the through port. The length of the coupling region is only 6.8 μm, while an extinction ratio of 23.76 dB can be realized at a wavelength of 1550 nm. As a proof of concept, the device was fabricated by a commercial silicon photonic foundry. It can realize a 19.84 dB extinction ratio and an 80 nm working bandwidth with an extinction ratio of larger than 10 dB. The presented device also shows a good fabrication tolerance to the structure deviations, which is favorable for its practical applications in silicon photonics.

scholarly journals Biphoton Interference in a Double-Slit Experiment

Quanta ◽  
2018 ◽  
Vol 7 (1) ◽  
pp. 1 ◽  
Author(s):  
Ananya Paul ◽  
Tabish Qureshi
Keyword(s):  
Beam Splitter ◽  
Entangled Photons ◽  
Polarizing Beam Splitter ◽  
Double Slit Experiment ◽  
Slit Experiment ◽  
Double Slit

A double-slit experiment with entangled photons is theoretically analyzed. It is shown that, under suitable conditions, two entangled photons of wavelength λ can behave like a biphoton of wavelength λ/2. The interference of these biphotons, passing through a double-slit can be obtained by detecting both photons of the pair at the same position. This is in agreement with the results of an earlier experiment. More interestingly, we show that even if the two entangled photons are separated by a polarizing beam splitter, they can still behave like a biphoton of wavelength λ/2. In this modified setup, the two separated photons passing through two different double-slits, surprisingly show an interference corresponding to a wavelength λ/2, instead of λ which is the wavelength of each photon. We point out two experiments that have been carried out in different contexts, which saw the effect predicted here without realizing this connection.Quanta 2018; 7: 1–6.

Robust Design of a High-Performance Laser Thin-Film Polarizing Beam Splitter with Low Layer Errors Sensitivity

2013 ◽  
Vol 33 (2) ◽  
pp. 0231004
Author(s):  
吴素勇 Wu Suyong ◽  
杨开勇 Yang Kaiyong ◽  
谭中奇 Tan Zhongqi
Keyword(s):  
Thin Film ◽  
Robust Design ◽  
High Performance ◽  
Beam Splitter ◽  
Polarizing Beam Splitter

High-Precision Polarizing Beam Splitting System Based on Polarizing Beam Splitter

2016 ◽  
Vol 43 (12) ◽  
pp. 1210001
Author(s):  
罗敬 Luo Jing ◽  
刘东 Liu Dong ◽  
徐沛拓 Xu Peituo ◽  
白剑 Bai Jian ◽  
刘崇 Liu Chong ◽  
...  
Keyword(s):  
High Precision ◽  
Beam Splitter ◽  
Beam Splitting ◽  
Polarizing Beam Splitter ◽  
Splitting System

An ultra-broadband polarizing beam splitter/coupler using asymmetric-waveguides

2020 ◽  
Vol 454 ◽  
pp. 124424 ◽  
Author(s):  
Qinghuan Xu ◽  
Jifang Tao ◽  
Chonglei Sun ◽  
Jia Zhao ◽  
Zuojia Wang ◽  
...  
Keyword(s):  
Beam Splitter ◽  
Polarizing Beam Splitter

Polarizing beam splitter of two-layer dielectric rectangular transmission gratings in Littrow mounting

2009 ◽  
Vol 282 (15) ◽  
pp. 3069-3075 ◽  
Author(s):  
Jiangjun Zheng ◽  
Changhe Zhou ◽  
Jijun Feng ◽  
Hongchao Cao ◽  
Peng Lu
Keyword(s):  
Beam Splitter ◽  
Polarizing Beam Splitter
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