Modal Behavior of Photonic Crystal Tapers for Improved Coupling Toward Cleaved-Facet Single-Mode Fiber

Ko Hsin Lee; Stephane Guilet; Kamel Merghem; Isabelle Sagnes; Anne Talneau

doi:10.1109/JLT.2009.2030696

Modal Behavior of Photonic Crystal Tapers for Improved Coupling Toward Cleaved-Facet Single-Mode Fiber

Ko Hsin Lee
, Stephane Guilet
, Kamel Merghem
, Isabelle Sagnes
, Anne Talneau

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

Abstract

We report simulation and experiment results of modal behaviors of photonic crystal (PhC) tapers on InP-based materials designed to improve coupling efficiency of the PhC waveguide mode into a cleaved-facet single-mode fiber. The modal distributions of transmitted power are simulated by two-dimensional finite difference time domain (2D-FDTD) calculation and the measured far-field patterns are in agreement with these calculations. The 34.4 µm-long PhC taper with Gaussian curve geometry is demonstrated to have an enhancement of coupling efficiency by a factor of four compared to the direct coupling from a W3 PhC defect waveguide.

Original language	English
Pages (from-to)	5168-5172
Number of pages	5
Journal	Journal of Lightwave Technology
Volume	27
Issue number	22
DOIs	https://doi.org/10.1109/JLT.2009.2030696
Publication status	Published - 15 Nov 2009
Externally published	Yes

Keywords

Integrated optics
mode converter
photonic crystal
taper waveguide

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10.1109/JLT.2009.2030696

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title = "Modal Behavior of Photonic Crystal Tapers for Improved Coupling Toward Cleaved-Facet Single-Mode Fiber",

abstract = "We report simulation and experiment results of modal behaviors of photonic crystal (PhC) tapers on InP-based materials designed to improve coupling efficiency of the PhC waveguide mode into a cleaved-facet single-mode fiber. The modal distributions of transmitted power are simulated by two-dimensional finite difference time domain (2D-FDTD) calculation and the measured far-field patterns are in agreement with these calculations. The 34.4 µm-long PhC taper with Gaussian curve geometry is demonstrated to have an enhancement of coupling efficiency by a factor of four compared to the direct coupling from a W3 PhC defect waveguide.",

keywords = "Integrated optics, mode converter, photonic crystal, taper waveguide",

author = "Lee, \{Ko Hsin\} and Stephane Guilet and Kamel Merghem and Isabelle Sagnes and Anne Talneau",

year = "2009",

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doi = "10.1109/JLT.2009.2030696",

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AU - Lee, Ko Hsin

AU - Guilet, Stephane

AU - Merghem, Kamel

AU - Sagnes, Isabelle

AU - Talneau, Anne

PY - 2009/11/15

Y1 - 2009/11/15

N2 - We report simulation and experiment results of modal behaviors of photonic crystal (PhC) tapers on InP-based materials designed to improve coupling efficiency of the PhC waveguide mode into a cleaved-facet single-mode fiber. The modal distributions of transmitted power are simulated by two-dimensional finite difference time domain (2D-FDTD) calculation and the measured far-field patterns are in agreement with these calculations. The 34.4 µm-long PhC taper with Gaussian curve geometry is demonstrated to have an enhancement of coupling efficiency by a factor of four compared to the direct coupling from a W3 PhC defect waveguide.

AB - We report simulation and experiment results of modal behaviors of photonic crystal (PhC) tapers on InP-based materials designed to improve coupling efficiency of the PhC waveguide mode into a cleaved-facet single-mode fiber. The modal distributions of transmitted power are simulated by two-dimensional finite difference time domain (2D-FDTD) calculation and the measured far-field patterns are in agreement with these calculations. The 34.4 µm-long PhC taper with Gaussian curve geometry is demonstrated to have an enhancement of coupling efficiency by a factor of four compared to the direct coupling from a W3 PhC defect waveguide.

KW - Integrated optics

KW - mode converter

KW - photonic crystal

KW - taper waveguide

UR - https://www.scopus.com/pages/publications/85008045135

U2 - 10.1109/JLT.2009.2030696

DO - 10.1109/JLT.2009.2030696

M3 - Article

AN - SCOPUS:85008045135

SN - 0733-8724

VL - 27

SP - 5168

EP - 5172

JO - Journal of Lightwave Technology

JF - Journal of Lightwave Technology

IS - 22

ER -

Modal Behavior of Photonic Crystal Tapers for Improved Coupling Toward Cleaved-Facet Single-Mode Fiber

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