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Diamond unit cell photonic crystal fiber with high birefringence and low confinement loss based on circular air holes

Diamond unit cell photonic crystal fiber with high birefringence and low confinement loss based on circular air holes
Diamond unit cell photonic crystal fiber with high birefringence and low confinement loss based on circular air holes
We propose a novel photonic crystal fiber (PCF) design with high birefringence and low confinement loss based on a diamond unit cell. Unit cell is a degree of freedom of PCF design, and highly asymmetric diamond unit cell can deliver both high birefringence and low confinement loss. In our fiber design, each diamond unit cell consists of two different sizes of circular air holes in a conventional hexagonal lattice, which can enhance the confinement loss with increased birefringence and can overcome the previous fabrication challenges of elliptic air hole PCFs due to the all-circular air hole structure. The optimized design shows high birefringence of 6 × 10-3 over S, C, and L bands while maintaining low confinement loss.
0003-6935
6140-6145
Lee, Yong Soo
18d64654-807a-4e17-a8de-7b88df82ca35
Lee, Ghung Ghiu
b8d41c16-9f23-40a5-8fcf-b0c50ba5bff0
Jung, Yongmin
6685e51e-be47-4c96-8c4b-65aee3b5126d
Kim, Soeun
a6c47fd8-d0df-4d9d-af52-c2803aae2e29
Lee, Yong Soo
18d64654-807a-4e17-a8de-7b88df82ca35
Lee, Ghung Ghiu
b8d41c16-9f23-40a5-8fcf-b0c50ba5bff0
Jung, Yongmin
6685e51e-be47-4c96-8c4b-65aee3b5126d
Kim, Soeun
a6c47fd8-d0df-4d9d-af52-c2803aae2e29

Lee, Yong Soo, Lee, Ghung Ghiu, Jung, Yongmin and Kim, Soeun (2015) Diamond unit cell photonic crystal fiber with high birefringence and low confinement loss based on circular air holes. Applied Optics, 54 (20), 6140-6145. (doi:10.1364/AO.54.006140). (PMID:26193385)

Record type: Article

Abstract

We propose a novel photonic crystal fiber (PCF) design with high birefringence and low confinement loss based on a diamond unit cell. Unit cell is a degree of freedom of PCF design, and highly asymmetric diamond unit cell can deliver both high birefringence and low confinement loss. In our fiber design, each diamond unit cell consists of two different sizes of circular air holes in a conventional hexagonal lattice, which can enhance the confinement loss with increased birefringence and can overcome the previous fabrication challenges of elliptic air hole PCFs due to the all-circular air hole structure. The optimized design shows high birefringence of 6 × 10-3 over S, C, and L bands while maintaining low confinement loss.

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More information

Accepted/In Press date: 15 June 2015
e-pub ahead of print date: 17 June 2015
Published date: 10 July 2015
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 381904
URI: https://eprints.soton.ac.uk/id/eprint/381904
ISSN: 0003-6935
PURE UUID: 262ef43c-264c-47f0-9341-a5d524b6f9a5

Catalogue record

Date deposited: 25 Sep 2015 10:47
Last modified: 15 Nov 2018 17:31

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