jordanv(vv(vvev(vv(vbinset-csep.cnsi.ucsb.edu/sites/inset-csep.cnsi... · vvv procevvvvv vvvvmat...

NowvthatvthevVIvisvcompletevwevcanvbeginvtovcollectvdata

InitialvdatavcollectionvwillvincludeCVariationsvinvNIRvfrequencyVariationsvinvTHzvfrequecyBehaviorvatvdifferentvtemperatures

AEUP AEZG AEZA AEZx AEZL AEZUAG)A

AGG

AGA

AGx

AGL

AGU

AGZ

AG,

AEZAU AEZAZ

G

ZG

AGG

AZG

xGG

xZG

v

v

Sig

nalv3

coun

ts-

Energyv3eV-

BulkvGaAsExcitationvLaser

v

vSig

nalv3

coun

ts-

v

SidebandsvfallvalongsidevthevNIRvlaservspacedvatvxxvthevTHzvfrequencyE

UpvtovAAvsidebandsvhavevbeenvobserved

Zaks(vBE(vHEvBanks(vandvMEvSEvSherwinEv.High)ordervSidebandvGenerationvinvBulkvGaAsE.vvvvvvvvvAppliedvPhysicsvLettersvAGxEAv3xGAL-

ControlsvCCDvandvspectrometerCollectsvdatavfromvCDDProcessesvdatavintovanvefficientvvvandvusablevformat

ThisvVIvreducesvthevtimevitvtakesvtovcollectvavfullvsetvofvdatavfromvUvhoursvtovUGvseconds

Jordan@Crafton@Hills@ Mentor:@Hunter@Banks

Faculty@Advisor:@Mark@Sherwinjordan.t.grace@gmail.com

ThevUCSBvFELvprovidesvTHzvradiation

CCDv0vSpectrometervarevusedtovdetectvsidebandsvaroundvtheNIRvfrequency

Allvequipmentvisvcontrolledvbyavcustom)builtvLabVIEWvVI

)

xEvNovlongervinteractingvwithveachvother(vthevelectronvandvholevnowvtravelvalongvwithvthevTHzvfield

LEvThevelectronvandvholevrecollide(vemittingvavphotonvofvhighervenergyv

ThevkineticvenergyvaddedvbyvthevTHzvfieldvisvreleasedvasvsidebandsvalongsidevthevNIRvlaser

JordanvGrace(vHuntervBanks(vMarkvSEvSherwin(vPhysicsvDepartment(vUCSB

)S

GEvThevNIRvlaservfirstvcreatesvanvexcitonvinvavsamplevofvbulkvGaAs

)

S

AEvThevexcitonvtunnel)ionizesvinvthevTHzvfield(vseparatingvthevelectronvandvhole

S

)

S