DTIC ADA419888: International Workshop on Quantum Cascade Lasers. Meeting Program, Abstract Book & Attendee Roster. January 4-8, 2004, Seville, Spain

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aunpartiso
International Workshop on
um Cascade Lasers

January 4 - 8, 2004

MEETING Seville, Spain
PROGRAM, Sponsored by:
ABSTRACT Air Force Office of Scientific
Book &

ATTENDEE

Office of Naval Research

ROSTER
Government Purpose Rights
Agreement #F49620-03-1-0435
Aliwood & Associates, Ine, 8279 Midland! Road, Mentor, OH 44060
‘The Government may use, modify, reproduce, release, perform, display or disclose

these data within the Government without restriction, and may release or disclose
outside the Gavernment and authorize persons to whom such release or disclosure
hhas been made to use, modify, reproduce, release, perform, display or disclose
that data for United Sates Govemment purposes, including competitive
procurement,
Athank you to our Workshop supporters...

Air Force Office of Scientific Research

AFOSR manages all basic research conducted by she US. Aur Force, One of
the foals used to accomplish thle (ask is to sofcit proposals fo" research
1" AFOSR also conducts collegial scientific workshops for the purpose of forming
FE parinarships with in house and extramural cantractor and arartas) researchers,
FS in cammon aieas af research, The Al Farce also sponsors research
‘sielantship programs, facully programs, and graduate school programs.

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Office of Naval Research

The Office of Naval Research (ONR) coordinates, executes, and aromotes
Ihe stienos and technology programs of the United States Navy and Mavine
‘Cams through universtias, govemment laboratories, and nongroft and far-
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Operations and the Secretary of the Navy, works wih industry to improve
echnelagy manufacturing erdcesses while reducing fleet costs, and fosters
continuing aeaclemic interest in naval relavant science fram the hgh school though post-doctoral
hevele.

Maxion Technologies, inc.

Mavion Technologies. ne. davelps quarum cascade (2) an interband
TON cascate ic) someonducier dogs lasars speciicaly designed io enoe 3
wide range of applusione slicing potable chemial sensing. road

wireless communicatlons, and infiared oeutermessures. Manien’s mission is to become the leading
provider of mig-intrared ¢ ode lase’s to the business, governmert, end research communities.

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Program Schedule
International Workshop on Quantum Cascade Lasers

Sunday, January 4", 2004

8:45 arm, — Welcoming Remarks: Todd Seiner
‘3:50 am. — Inroduoton: Federica Capasso

gotan -890am Frank Thtet: Curent applications of quantum cascade lasers Wace gas

(Seene-setar) analysis and chemiesl sensing (P3g@ 5)
930 am 850 am Mattlag Beck: Slele-oFhe-At Mid-infrared Guortumn Cascade Lasers (Page 7)
9550 am —10:108m Frank FuchainP-based Single Mode Ovsrtum Cascade Lasers or Taoe-Gas

Sensing Appian (Pa98 9)

30am, - 10:40am, ‘Jerry Meyer: Projaced Parformanca Trate-Ofi for Intaroerd ve ntrsubband
(Scene-seter) ‘Quantum Caseade Lasers alsa stancs infor Rul Yang: Progress and
CGhafenges inthe Development of iterband Cazcade Lasers (Pages 11 § 12)

Biiak 14D am.—TeI0am

Titan — 11300, “Gregory Helenky: Revent Performenea Acvenaat in Typa interband Gaaceds
Lasers (Page 15)

1e80am — 15am ‘Monlloh Rezeghl: The Rovte t High-Power, Contucus-Wwave, Quantum
‘Cascade Lavers at oom Teenperature (Page 171

TiSdan— 10pm ‘Jim Speck: Progress In GaN gh in non-poter onanialions and in GaN MBE
prawn (Page 12)

‘BAO pm — 1230 pm, ‘John Cockburn: High perfomance quantum cascade lasers grown by eratal-
‘organic vepaur phase entexy (Page 21), .

(SD pm — Ed EM ‘Gaptane Scamarcio: Micro-prabe luminescence and Reman mvestgsion of

‘quantum cascae fasets: contlation wth optical performance (Page 23)

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‘a procession, scattering swells othe cron of excited enlten.

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8:00 pm ~ 10:00 pm.» Dinnor al Salvador Rojo Restaurant. Wellenjoy a strclta the nesrby rete
enjoys delkious Spanish dinner

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Fine! Program = inlemational Workshop on Quantum Cascade Laeers Page?
_Intarnational Workshop on Quantum Cascada Lasers

Tuesday, January 6",

2004

9.00 #78920 am.
(Seane-caneri

25

20 am ~ 980 am

H Liar Ifareubband Raman Lasing and copied Elecronie Paton Medes
Page 27)

[20 am -1010am

so Treeéall Far Fiala Goria and Baer Stoaiiig in Ouarkum Cascade |
Lasers (Page 29

7oAGam —10308m

‘Serge Luryi Ditbited Feedback Quantum Geacade Laser wth Wicely
‘Tunabie Wavelength (Page 31)

yos6 am - 1060 em,

Raffaele Colombell: Guentum Catcade Phtric Grystal Micoincars (Pape $3) |

Break 1080 m= 11398 m

14:30 amt ~ 12:00 noon
eene-setert

atl Sror: Maeva ystome fr quanum cascade laters (Page 35)

12:00 now) — 12:20 pm,

‘Mikhail Klein: Enhlanoement ofthe Phonon Dapoputation in interband
Gascade Lavers (Page 37),

220 pm - 1240 pm

Hare Slag: Towarde Stbaeed Cuanum Cascace Lasers: Challenges and
Achievements (Psga 39)

Rat pm — 00 0m,

‘Dan Bates: intersubband Guanfiin-Bar Semiconductor Lasers (Page #1)

00 pm. — 120 pan

Dennls Beppe: Sel-organized eptazial nanostuctures for quantum dot ceacaée
lasers (Page 42)

[30300 pm Lunch

6:0 pm, ~ 600 pm_~blmer at cle Bacar

1:15 ~ Depart abby ta walk to Los Gallos fora Farvenica Shaw — the beatin tonnl~ fram &:00 ~ 1100 pm.

Final Program

Pages
International Workshop on Quantum Cascade Lasers

Wednesday, January 7", 2004

iS am. -@15 am, “Jerome Faist: Uiraat imi in THe and mic4R OC lasers (Page 45)

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8:15 am. = 3:95am. Rideger Khler: Terahertz Quantum Cascade Lasers (Page 47)

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1245 pm.— 105 p.m | Federico Capasso: Morelocking of broadband QC lasers (Page 65)
196 pon ~2:38 pm. — Lune

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BY MAXION TECHNOLOGIES, ING.

00 pm. 7:20 p.m. Wrap-up Seaslon. The Waa-up oeasion provides an opportuni for parddpante fo
gather to surnmariza the ndingetschnical informalion shared foughout the week's alsa tha last opporturity
fh obtsin answers te questions that time may not have alowed during fe session. All parciparts are requested
lo pardpate. Vine ancl beer wl be eenved.

00 8:50 pm. Blnner at the Hotel Bacquer

Thursday, January 8", 2004

‘82D arn, — 10.00am, ‘BroakfastCollaboratin: Joi together for final breakfast designed to eneure
that you have made plans for future eataboralons wth colleagues.

Final Program — Intemational Workshop on Guantam Cascade Lasers Page 4
Current applications of quantum cascade lasers in trace gas analysis
and chemical sensing

Frank K.Tittel, Yuy. Bakhirkin, Robert F. Curl, Anatoly, A Kosterev, Matt McCurdy C.Rolle,
Stephen So, D.Weidmann, and G.W/ysock.
Rice Quantuns Institute, Rice University, Houston, TX 77251-1892, US&
Phone [phone], Fax: [phone], fhi@rioe edu, wwwv.ece.rice edullasersci

ne of the principal applications of quantum cascade lasers (CLs) is in chemical sensing, since
these lasers can access directly the midinfrared spectroscopic fingerprint region (~2-25 yx).
where most gaseous chemical substances possess strang fundamental rotational-vibrational
transitions [1-3]. To date we have detected 11 gases (CH., NzO, CO, CO. NO, H.0, NHs CzHa,
COS , SO, and C2H:CH including isotopic signatures of carbon and oxygen at the ppm to the bo
level using QCLs. This talk wil foous on the development of compact trace gas sensor platform
technology based on QCLs and their application to sensitive, selective and quantitetve trace gas
detection. Current application topics Include: atmospheric chemistry and environmental menitoring,
turban and industrial emissions measurements, chemical analysis and industrial process control
‘and medical applications

CLs possess the kay properties required for a mid-infrared spectroscopic sourve: (1) sufficient
‘optical pawer to ensure high signal-to-noise ratios, (2) narrow iinewidths and single frequency to
‘obtain high selectivity (3) mid-infrared wavelength coverage with type | and II QOLs (4) continuous
‘and broad wavelength tanebiity without mode hops, (© ) quasi-room temperatura operation (6)
{good beam quafity and! (7} high reliability and compaciness. Until recently quasi-teom temperature
‘Speration of QCLs was enly possible for pulsed operation, but recently the frst thermoelectically-
cooled. continuous weve (ew). michinfrared, single frequency QCL vas reported, which will greatly
facilitate the use of QCLs in spectroscopic applications [4]

Current exomplas of QCL applications being investigated by us include trace gas sensing in NASA
pplcatione felovant fo spaceeram environmental monitoring and) advanced Ie support using
quartz enhanced photoacoustic spectroscopy, high precision measurements of “coca,
iotopic raf at 43 1m and noninvasive modieal diagnostics of various humeh diseases by
tmeare of reat analis. One spacite application Is the measurement of NO in exhaled breath,
ince the presence of NO is aninceator of seversl physiological end biochemical procasses taking
ince in the Rurian body, fn paicular in assasting the severty of sivway Infammation (6
Battal. A gas sensor baved or a cw single frequency QL operating at ~6.2 urs (1900 cm) and
of ans imtagrated cavity output spectroscopy is being developed to measure ph fevels of NO
Concertttion in breath

References:
FEE Emectl, C:Gmech|, RPalela, ATerdicuct DL.Sieo, JNBaularyean and AY.Cho. “New Frenters in
quantum cascade lasers and applications IEEE Select. Tops Quantum Election @, €31-B87 (20001

FA Roser and FX Tiel ‘hemicel Sess Based on Q.anum Cascade Laser, EEE Quen Been, 38, 82-501
aoc)

PPE Tae! Otter end A ed ‘Mitinared Laser Applations in Soosascop in Sas Sie Mcsntared i ane
‘Sota ads LT Satins andieL. Vaopyana Tepice Appl Pip 8. 446-5 0 (2008 Senger-verag

2 reatehs 8 Bicar sifeck D, Hoste, JFaal end €.Gir, ” Connon dabbuleseadbsck quenhan-cascade
inerte on Pair oocer Appl Pryabat€3: 1826-1051 (2008;

Final Program = International Werrshop on Quantum Casonde Lasert Page 5
NOTES

Final Program|

Tamational Werkehap on Quantum Gaccada Lasers Paget
State-of-the-Art Mid-infrared Quantum Cascade Lasers

Mattiag Beck University of Neuchatel, Switzerland

Micsinfrared QCLs feature high thrashold current densities Jhy - typically exceeding some kAom?
at room temperature - and a high bias voltage, Nevertheless, continuous wave operation could be
achiaved at room temperature of even higher with extramely large optical power favels with
structures based on 4-quantumawell active regions with low Jj and using an optimized device

geometry with improved heat dissipation.

In this presentation we will discuss the dependence of Jin on the doping level of a 4-quantum-welt
design and compare 3 different active region designs (-quantumwell, 4-quantum-well, andl
chirped superlattice design) in terms of Jp, bias voliage and optical power. Jin - values as low as
4.1kétom? could be achieved at room temperature, The MBE influence on performances will also
be discussed.

‘Time-resolved measurements of a grating-coupled external cavity configuration with a tuning range:

of over #60 -cm-1 will also be presented.

Final Program = International Wrihop oc Quantum Gasonde Lasers Page?