Three-mode multiplexer and demultiplexer utilizing trident and multimode couplers

Cao Dung Truong; Tan Hung Nguyen; Quang Thai Pham; Minh Tuan Trinh; Khu Vu

doi:10.1016/j.optcom.2018.11.003

Three-mode multiplexer and demultiplexer utilizing trident and multimode couplers

Cao Dung Truong, Tan Hung Nguyen^*, Quang Thai Pham, Minh Tuan Trinh, Khu Vu

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

13 Citations (Scopus)

Abstract

In this paper, a simultaneous three-mode silicon (de)multiplexer using a trident coupler and a 3 × 3 multimode interference (MMI) is presented. The fundamental (TE₀), first-order (TE₁), and second-order (TE₂) modes at the input are successfully demultiplexed and converted to three uniform fundamental modes (TE₀) at the output ports. The device is designed and optimized by numerical simulation using three-dimensional beam propagation method together with effective index method. The three-mode (de)multiplexing is achieved over the whole C-band with small insertion loss (<0.9 dB) and crosstalk (<−17 dB). The proposed device also features with a small footprint (5 μm×400 μm) and a large fabrication tolerance against chip-size variations while maintaining the desired optical performance.

Original language	English
Pages (from-to)	334-340
Number of pages	7
Journal	Optics Communications
Volume	435
DOIs	https://doi.org/10.1016/j.optcom.2018.11.003
Publication status	Published - 15 Mar 2019

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10.1016/j.optcom.2018.11.003

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title = "Three-mode multiplexer and demultiplexer utilizing trident and multimode couplers",

abstract = "In this paper, a simultaneous three-mode silicon (de)multiplexer using a trident coupler and a 3 × 3 multimode interference (MMI) is presented. The fundamental (TE0), first-order (TE1), and second-order (TE2) modes at the input are successfully demultiplexed and converted to three uniform fundamental modes (TE0) at the output ports. The device is designed and optimized by numerical simulation using three-dimensional beam propagation method together with effective index method. The three-mode (de)multiplexing is achieved over the whole C-band with small insertion loss (<0.9 dB) and crosstalk (<−17 dB). The proposed device also features with a small footprint (5 μm×400 μm) and a large fabrication tolerance against chip-size variations while maintaining the desired optical performance.",

keywords = "Mode conversion, Mode-division multiplexing, Multimode interference coupler, Planar lightwave circuits, Silicon photonics, Y-junction coupler",

author = "Truong, {Cao Dung} and Nguyen, {Tan Hung} and Pham, {Quang Thai} and Trinh, {Minh Tuan} and Khu Vu",

note = "Publisher Copyright: {\textcopyright} 2018 Elsevier B.V.",

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doi = "10.1016/j.optcom.2018.11.003",

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T1 - Three-mode multiplexer and demultiplexer utilizing trident and multimode couplers

AU - Truong, Cao Dung

AU - Nguyen, Tan Hung

AU - Pham, Quang Thai

AU - Trinh, Minh Tuan

AU - Vu, Khu

PY - 2019/3/15

Y1 - 2019/3/15

N2 - In this paper, a simultaneous three-mode silicon (de)multiplexer using a trident coupler and a 3 × 3 multimode interference (MMI) is presented. The fundamental (TE0), first-order (TE1), and second-order (TE2) modes at the input are successfully demultiplexed and converted to three uniform fundamental modes (TE0) at the output ports. The device is designed and optimized by numerical simulation using three-dimensional beam propagation method together with effective index method. The three-mode (de)multiplexing is achieved over the whole C-band with small insertion loss (<0.9 dB) and crosstalk (<−17 dB). The proposed device also features with a small footprint (5 μm×400 μm) and a large fabrication tolerance against chip-size variations while maintaining the desired optical performance.

AB - In this paper, a simultaneous three-mode silicon (de)multiplexer using a trident coupler and a 3 × 3 multimode interference (MMI) is presented. The fundamental (TE0), first-order (TE1), and second-order (TE2) modes at the input are successfully demultiplexed and converted to three uniform fundamental modes (TE0) at the output ports. The device is designed and optimized by numerical simulation using three-dimensional beam propagation method together with effective index method. The three-mode (de)multiplexing is achieved over the whole C-band with small insertion loss (<0.9 dB) and crosstalk (<−17 dB). The proposed device also features with a small footprint (5 μm×400 μm) and a large fabrication tolerance against chip-size variations while maintaining the desired optical performance.

KW - Mode conversion

KW - Mode-division multiplexing

KW - Multimode interference coupler

KW - Planar lightwave circuits

KW - Silicon photonics

KW - Y-junction coupler

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DO - 10.1016/j.optcom.2018.11.003

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SN - 0030-4018

VL - 435

SP - 334

EP - 340

JO - Optics Communications

JF - Optics Communications

ER -

Three-mode multiplexer and demultiplexer utilizing trident and multimode couplers

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