Optical characteristics of VCSEL pumped microchip lasers

Jian Wu; Gheorghe Iordache; Huw D. Summers; John S. Roberts

doi:10.1016/S0030-4018(01)01373-6

Optical characteristics of VCSEL pumped microchip lasers

Jian Wu, Gheorghe Iordache, Huw D. Summers, John S. Roberts

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

25 Scopus citations

Abstract

Vertical-cavity surface-emitting lasers (VCSELs) have been used to optically pump a planar-cavity, Nd:YVO₄ microchip laser. Lasing was achieved with a minimum pump power of 0.8 mW from a 10 μm diameter, circular aperture VCSEL. The microchip laser operates in a fundamental Gaussian mode of 40-50 μm diameter for a range of pump sizes from 10 to 50 μm with a threshold pump power proportional to the pump size. These characteristics indicate that the mode formation is controlled by gain-induced refractive index changes within a cavity that is positively detuned from the atomic resonance. Stable, Gaussian mode formation is also achieved when directly pumping the microchip lasers with no intervening optics.

Original language	English (US)
Pages (from-to)	251-256
Number of pages	6
Journal	Optics Communications
Volume	196
Issue number	1-6
DOIs	https://doi.org/10.1016/S0030-4018(01)01373-6
State	Published - Sep 1 2001

Keywords

Laser diodes
Semiconducting III-V materials
Solid state lasers
Vanadates

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

Access to Document

10.1016/S0030-4018(01)01373-6

Cite this

@article{c128a74f8fde44e981ccc2fcdddf749b,

title = "Optical characteristics of VCSEL pumped microchip lasers",

abstract = "Vertical-cavity surface-emitting lasers (VCSELs) have been used to optically pump a planar-cavity, Nd:YVO4 microchip laser. Lasing was achieved with a minimum pump power of 0.8 mW from a 10 μm diameter, circular aperture VCSEL. The microchip laser operates in a fundamental Gaussian mode of 40-50 μm diameter for a range of pump sizes from 10 to 50 μm with a threshold pump power proportional to the pump size. These characteristics indicate that the mode formation is controlled by gain-induced refractive index changes within a cavity that is positively detuned from the atomic resonance. Stable, Gaussian mode formation is also achieved when directly pumping the microchip lasers with no intervening optics.",

keywords = "Laser diodes, Semiconducting III-V materials, Solid state lasers, Vanadates",

author = "Jian Wu and Gheorghe Iordache and Summers, {Huw D.} and Roberts, {John S.}",

note = "Funding Information: The authors wish to thank the Engineering and Physical Sciences Research Council, UK for the financial support of this work. Copyright: Copyright 2007 Elsevier B.V., All rights reserved.",

year = "2001",

month = sep,

day = "1",

doi = "10.1016/S0030-4018(01)01373-6",

language = "English (US)",

volume = "196",

pages = "251--256",

journal = "Optics Communications",

issn = "0030-4018",

publisher = "Elsevier",

number = "1-6",

}

TY - JOUR

T1 - Optical characteristics of VCSEL pumped microchip lasers

AU - Wu, Jian

AU - Iordache, Gheorghe

AU - Summers, Huw D.

AU - Roberts, John S.

N1 - Funding Information: The authors wish to thank the Engineering and Physical Sciences Research Council, UK for the financial support of this work. Copyright: Copyright 2007 Elsevier B.V., All rights reserved.

PY - 2001/9/1

Y1 - 2001/9/1

N2 - Vertical-cavity surface-emitting lasers (VCSELs) have been used to optically pump a planar-cavity, Nd:YVO4 microchip laser. Lasing was achieved with a minimum pump power of 0.8 mW from a 10 μm diameter, circular aperture VCSEL. The microchip laser operates in a fundamental Gaussian mode of 40-50 μm diameter for a range of pump sizes from 10 to 50 μm with a threshold pump power proportional to the pump size. These characteristics indicate that the mode formation is controlled by gain-induced refractive index changes within a cavity that is positively detuned from the atomic resonance. Stable, Gaussian mode formation is also achieved when directly pumping the microchip lasers with no intervening optics.

AB - Vertical-cavity surface-emitting lasers (VCSELs) have been used to optically pump a planar-cavity, Nd:YVO4 microchip laser. Lasing was achieved with a minimum pump power of 0.8 mW from a 10 μm diameter, circular aperture VCSEL. The microchip laser operates in a fundamental Gaussian mode of 40-50 μm diameter for a range of pump sizes from 10 to 50 μm with a threshold pump power proportional to the pump size. These characteristics indicate that the mode formation is controlled by gain-induced refractive index changes within a cavity that is positively detuned from the atomic resonance. Stable, Gaussian mode formation is also achieved when directly pumping the microchip lasers with no intervening optics.

KW - Laser diodes

KW - Semiconducting III-V materials

KW - Solid state lasers

KW - Vanadates

UR - http://www.scopus.com/inward/record.url?scp=0035451362&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0035451362&partnerID=8YFLogxK

U2 - 10.1016/S0030-4018(01)01373-6

DO - 10.1016/S0030-4018(01)01373-6

M3 - Article

AN - SCOPUS:0035451362

SN - 0030-4018

VL - 196

SP - 251

EP - 256

JO - Optics Communications

JF - Optics Communications

IS - 1-6

ER -

Optical characteristics of VCSEL pumped microchip lasers

Abstract

Keywords

ASJC Scopus subject areas

Access to Document

Other files and links

Fingerprint

Cite this