From david.deak@utoronto.ca Sun Nov 17 11:29:57 2002 Return-Path: Received: from bureau6.utcc.utoronto.ca (bureau6.utcc.utoronto.ca [128.100.132.16]) by helios.physics.utoronto.ca (8.9.3/8.9.3) with ESMTP id LAA6538533 for ; Sun, 17 Nov 2002 11:29:57 -0500 (EST) Received: from wetmore72.newres.utoronto.ca ([142.150.210.72] HELO DEAK ident: IDENT-NOT-QUERIED [port 1343]) by bureau6.utcc.utoronto.ca with SMTP id <241159-7806>; Sun, 17 Nov 2002 11:29:41 -0500 Message-ID: <000c01c28e56$85d0cae0$48d2968e@DEAK> From: "David Deak" To: Subject: PHY485F presentation Date: Sun, 17 Nov 2002 11:29:37 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0009_01C28E2C.9CCE82C0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Status: R This is a multi-part message in MIME format. ------=_NextPart_000_0009_01C28E2C.9CCE82C0 Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable Dear Professor Steinberg, Please find below my abstract for the presentation I wish to give = towards the end of the term. Best Regards, David Deak 990087570 EngSci [Nano] 0T3 ********************** MEMS-tunable VCSEL =20 An extensive variety of solid-state devices are materialising into the = nano- and micro-engineering industry, including micron scale lasers with = superior performance features and functionality. Key light sources for = optical communication systems are vertical-cavity surface-emitting = lasers (VCSELs). Their main application is currently in local area = networks using multimode optical fibres. They are also being = commercialised for wide area network applications. Advantages of VCSELs, = in comparison to other microscale lasers, include easy fibre coupling = and integration, high efficiency lasing, and they can be fabricated into = arrays on a substrate. In addition, VCSELs have an inherent = single-wavelength structure that is well suited for wavelength = engineering. In this presentation, I will review the functions and physical = properties of VCSELs. I will then outline how the VCSEL design can be = made tunable with micro-electrical mechanical (MEMS) functionality. = Reflecting upon the current and potential applications of existing = MEMS-tunable VCSELs, there will be further discussion as to how to = improve performance of the device. =20 --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.408 / Virus Database: 230 - Release Date: 24/10/2002 ------=_NextPart_000_0009_01C28E2C.9CCE82C0 Content-Type: text/html; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable

Dear Professor Steinberg,

 

Please find below my abstract for the presentation I wish to = give towards=20 the end of the term.

 

Best Regards,

 

David Deak

990087570

EngSci [Nano] 0T3

 

 

**********************

MEMS-tunable VCSEL

 

An extensive variety of solid-state devices are materialising = into the=20 nano- and micro-engineering industry, including micron scale lasers with = superior performance features and functionality. Key light sources for = optical=20 communication systems are vertical-cavity surface-emitting lasers = (VCSELs).=20 Their main application is currently in local area networks using = multimode=20 optical fibres. They are also being commercialised for wide area network = applications. Advantages of VCSELs, in comparison to other microscale = lasers,=20 include easy fibre coupling and integration, high efficiency lasing, and = they can be fabricated into arrays on a substrate. In = addition, VCSELs=20 have an inherent single-wavelength structure that is well suited for = wavelength=20 engineering.

In this presentation, I will review the functions and physical = properties=20 of VCSELs. I will then outline how the VCSEL design can be made tunable = with=20 micro-electrical mechanical (MEMS) functionality. Reflecting upon the = current=20 and potential applications of existing MEMS-tunable VCSELs, there will = be=20 further discussion as to how to improve performance of the = device.

 


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Outgoing mail is certified Virus=20 Free.
Checked by AVG anti-virus system (http://www.grisoft.com).
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