Broadband MEMS-tunable high-index-contrast subwavelength grating long-wavelength VCSEL

Research output: Contribution to journalJournal article – Annual report year: 2010Researchpeer-review

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Broadband MEMS-tunable high-index-contrast subwavelength grating long-wavelength VCSEL. / Chung, Il-Sug; Iakovlev, Vladimir; Sirbu, Alexei; Mereuta, Alexandru; Kapon, Eli; Caliman, Andrei; Mørk, Jesper.

In: I E E E Journal of Quantum Electronics, Vol. 46, No. 9, 2010, p. 1245-1253.

Research output: Contribution to journalJournal article – Annual report year: 2010Researchpeer-review

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Chung, Il-Sug ; Iakovlev, Vladimir ; Sirbu, Alexei ; Mereuta, Alexandru ; Kapon, Eli ; Caliman, Andrei ; Mørk, Jesper. / Broadband MEMS-tunable high-index-contrast subwavelength grating long-wavelength VCSEL. In: I E E E Journal of Quantum Electronics. 2010 ; Vol. 46, No. 9. pp. 1245-1253.

Bibtex

@article{bc01bf2d0de943a4858bed12ef37a902,
title = "Broadband MEMS-tunable high-index-contrast subwavelength grating long-wavelength VCSEL",
abstract = "A widely-tunable single-mode 1.3 μm vertical-cavity surface-emitting laser structure incorporating a microelectromechanical system-tunable high-index-contrast subwavelength grating (HCG) mirror is suggested and numerically investigated. A linear tuning range of 100 nm and a wavelength tuning efficiency of 0.203 are predicted. The large tuning range and efficiency are attributed to the incorporation of the tuning air gap as part of the optical cavity and to the use of a short cavity structure. The short cavity length can be achieved by employing a HCG design of which the reflection mechanism does not rely on resonant coupling. The absence of resonance coupling leads to a 0.59 λ-thick penetration depth of the HCG and enables to use a 0.25 λ-thick tuning air gap underneath the HCG. This considerably reduces the effective cavity length, leading to larger tuning range and efficiency. The basic properties of this new structure are analyzed, and shown to be explained by analytical expressions that are derived in the paper. In this context, the penetration depth of the HCG is introduced and shown to be an important characteristic length scale. Throughout the tuning wavelength range, strong single mode operation was maintained and uniform output power is expected.",
author = "Il-Sug Chung and Vladimir Iakovlev and Alexei Sirbu and Alexandru Mereuta and Eli Kapon and Andrei Caliman and Jesper M{\o}rk",
year = "2010",
doi = "10.1109/JQE.2010.2047494",
language = "English",
volume = "46",
pages = "1245--1253",
journal = "I E E E Journal of Quantum Electronics",
issn = "0018-9197",
publisher = "Institute of Electrical and Electronics Engineers",
number = "9",

}

RIS

TY - JOUR

T1 - Broadband MEMS-tunable high-index-contrast subwavelength grating long-wavelength VCSEL

AU - Chung, Il-Sug

AU - Iakovlev, Vladimir

AU - Sirbu, Alexei

AU - Mereuta, Alexandru

AU - Kapon, Eli

AU - Caliman, Andrei

AU - Mørk, Jesper

PY - 2010

Y1 - 2010

N2 - A widely-tunable single-mode 1.3 μm vertical-cavity surface-emitting laser structure incorporating a microelectromechanical system-tunable high-index-contrast subwavelength grating (HCG) mirror is suggested and numerically investigated. A linear tuning range of 100 nm and a wavelength tuning efficiency of 0.203 are predicted. The large tuning range and efficiency are attributed to the incorporation of the tuning air gap as part of the optical cavity and to the use of a short cavity structure. The short cavity length can be achieved by employing a HCG design of which the reflection mechanism does not rely on resonant coupling. The absence of resonance coupling leads to a 0.59 λ-thick penetration depth of the HCG and enables to use a 0.25 λ-thick tuning air gap underneath the HCG. This considerably reduces the effective cavity length, leading to larger tuning range and efficiency. The basic properties of this new structure are analyzed, and shown to be explained by analytical expressions that are derived in the paper. In this context, the penetration depth of the HCG is introduced and shown to be an important characteristic length scale. Throughout the tuning wavelength range, strong single mode operation was maintained and uniform output power is expected.

AB - A widely-tunable single-mode 1.3 μm vertical-cavity surface-emitting laser structure incorporating a microelectromechanical system-tunable high-index-contrast subwavelength grating (HCG) mirror is suggested and numerically investigated. A linear tuning range of 100 nm and a wavelength tuning efficiency of 0.203 are predicted. The large tuning range and efficiency are attributed to the incorporation of the tuning air gap as part of the optical cavity and to the use of a short cavity structure. The short cavity length can be achieved by employing a HCG design of which the reflection mechanism does not rely on resonant coupling. The absence of resonance coupling leads to a 0.59 λ-thick penetration depth of the HCG and enables to use a 0.25 λ-thick tuning air gap underneath the HCG. This considerably reduces the effective cavity length, leading to larger tuning range and efficiency. The basic properties of this new structure are analyzed, and shown to be explained by analytical expressions that are derived in the paper. In this context, the penetration depth of the HCG is introduced and shown to be an important characteristic length scale. Throughout the tuning wavelength range, strong single mode operation was maintained and uniform output power is expected.

U2 - 10.1109/JQE.2010.2047494

DO - 10.1109/JQE.2010.2047494

M3 - Journal article

VL - 46

SP - 1245

EP - 1253

JO - I E E E Journal of Quantum Electronics

JF - I E E E Journal of Quantum Electronics

SN - 0018-9197

IS - 9

ER -