Tunable multichannel filter in a photonic crystal containing semiconductor photonic quantum well

Hui Chuan Hung; Chien Jang Wu; Tzong Jer Yang; Shoou Jinn Chang

doi:10.1109/JPHOT.2012.2186958

Tunable multichannel filter in a photonic crystal containing semiconductor photonic quantum well

Hui Chuan Hung, Chien Jang Wu, Tzong Jer Yang, Shoou Jinn Chang

Undergraduate Program of Electro-Optical Engineering

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

10 Citations (Scopus)

Abstract

A tunable multichannel filter in the finite photonic crystal (PC) containing photonic quantum well (PQW) as a defect is proposed. The symmetric structure (AB) ^P(CD) ^Q(BA) ^P and the asymmetric structure (AB) ^P(CD) ^Q(AB) ^P are considered in this work. Here, the host PC of (AB) ^P is made of Si for layer A and of SiO ₂ for layer B. In the PQW, (CD) ^Q, C also is Si, but D is an extrinsic semiconductor, n-type silicon (n-Si). With the use of n-Si, it is found that both structures can function as a tunable multichannel filter in the infrared region. The number of channels is equal to Q + 1 in the symmetric structure, whereas it is Q for the asymmetric one. The positions of multiple resonant peaks can be tuned by the variation in the impurity concentration of n-Si. The proposed filter could be used to design the wavelength division multiplexer filter that is of technical use in optical communications.

Original language	English
Article number	6145731
Pages (from-to)	283-290
Number of pages	8
Journal	IEEE Photonics Journal
Volume	4
Issue number	1
DOIs	https://doi.org/10.1109/JPHOT.2012.2186958
Publication status	Published - 2012

Keywords

Photonic quantum well (PQW)
extrinsic semiconductor
multichannel filter

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics
Electrical and Electronic Engineering

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title = "Tunable multichannel filter in a photonic crystal containing semiconductor photonic quantum well",

abstract = "A tunable multichannel filter in the finite photonic crystal (PC) containing photonic quantum well (PQW) as a defect is proposed. The symmetric structure (AB) P(CD) Q(BA) P and the asymmetric structure (AB) P(CD) Q(AB) P are considered in this work. Here, the host PC of (AB) P is made of Si for layer A and of SiO 2 for layer B. In the PQW, (CD) Q, C also is Si, but D is an extrinsic semiconductor, n-type silicon (n-Si). With the use of n-Si, it is found that both structures can function as a tunable multichannel filter in the infrared region. The number of channels is equal to Q + 1 in the symmetric structure, whereas it is Q for the asymmetric one. The positions of multiple resonant peaks can be tuned by the variation in the impurity concentration of n-Si. The proposed filter could be used to design the wavelength division multiplexer filter that is of technical use in optical communications.",

keywords = "Photonic quantum well (PQW), extrinsic semiconductor, multichannel filter",

author = "Hung, {Hui Chuan} and Wu, {Chien Jang} and Yang, {Tzong Jer} and Chang, {Shoou Jinn}",

note = "Funding Information: Manuscript received December 1, 2011; accepted January 30, 2012. Date of publication February 3, 2012; date of current version February 17, 2012. This work was supported by the National Science Council (NSC) of Taiwan under Contract NSC-100-2112-M-003-005-MY3 and from the National Taiwan Normal University under NTNU100-D-01, as well as the NSC and Bureau of Energy, Ministry of Economic Affairs of Taiwan, under Contract NSC-100-2221-E-006-040-MY2 and 100-D0204-6 and the LED Lighting Research Center of National Cheng Kung University. Corresponding author: C.-J. Wu (e-mail: jasperwu@ntnu.edu.tw).",

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AU - Wu, Chien Jang

AU - Yang, Tzong Jer

AU - Chang, Shoou Jinn

N1 - Funding Information: Manuscript received December 1, 2011; accepted January 30, 2012. Date of publication February 3, 2012; date of current version February 17, 2012. This work was supported by the National Science Council (NSC) of Taiwan under Contract NSC-100-2112-M-003-005-MY3 and from the National Taiwan Normal University under NTNU100-D-01, as well as the NSC and Bureau of Energy, Ministry of Economic Affairs of Taiwan, under Contract NSC-100-2221-E-006-040-MY2 and 100-D0204-6 and the LED Lighting Research Center of National Cheng Kung University. Corresponding author: C.-J. Wu (e-mail: jasperwu@ntnu.edu.tw).

PY - 2012

Y1 - 2012

N2 - A tunable multichannel filter in the finite photonic crystal (PC) containing photonic quantum well (PQW) as a defect is proposed. The symmetric structure (AB) P(CD) Q(BA) P and the asymmetric structure (AB) P(CD) Q(AB) P are considered in this work. Here, the host PC of (AB) P is made of Si for layer A and of SiO 2 for layer B. In the PQW, (CD) Q, C also is Si, but D is an extrinsic semiconductor, n-type silicon (n-Si). With the use of n-Si, it is found that both structures can function as a tunable multichannel filter in the infrared region. The number of channels is equal to Q + 1 in the symmetric structure, whereas it is Q for the asymmetric one. The positions of multiple resonant peaks can be tuned by the variation in the impurity concentration of n-Si. The proposed filter could be used to design the wavelength division multiplexer filter that is of technical use in optical communications.

AB - A tunable multichannel filter in the finite photonic crystal (PC) containing photonic quantum well (PQW) as a defect is proposed. The symmetric structure (AB) P(CD) Q(BA) P and the asymmetric structure (AB) P(CD) Q(AB) P are considered in this work. Here, the host PC of (AB) P is made of Si for layer A and of SiO 2 for layer B. In the PQW, (CD) Q, C also is Si, but D is an extrinsic semiconductor, n-type silicon (n-Si). With the use of n-Si, it is found that both structures can function as a tunable multichannel filter in the infrared region. The number of channels is equal to Q + 1 in the symmetric structure, whereas it is Q for the asymmetric one. The positions of multiple resonant peaks can be tuned by the variation in the impurity concentration of n-Si. The proposed filter could be used to design the wavelength division multiplexer filter that is of technical use in optical communications.

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