Lighting the Way: A Micro-Symposium on Current Research at the Photonics

Center

September 28, 2015

Roberto Paiella

Electrical and Computer Engineering

Plasmon-Enhanced OptoelectronicsPlasmon enhanced light emission from LED active materials

Optical nanoantennas for directional emission and photodetection

LUMINESCENCE SPECTRA-60

-50-40

-30-20-10 0 10 20 3040

5060

-60-50

-40-30

-20-10 0 10 2030

4050

60

FAR-FIELD RADIATION PATTERNS

from Wikipedia

APPLICATIONS TO ARTIFICIAL COMPOUND EYES

Siddharth Ramachandran

Electrical and Computer Engineering

Singular & Structured Light

T.A. Planchon et al, Nature Methods8, 417 (2011)

Orbital Angular Momentum (OAM) Beams Bessel Beams

Vaziri et al, Phys. Rev. Lett. 89 (2002)

S. Hell & J. Wichmann, Opt. Lett. 19, 780 (1994)

A conventionalGaussian BeamNanoscale Microscopy Secure Quantum Comm. Light Sheet Microscopy

Singular & Structured Beams in Fiber

Typical Fiber Output

Vadim Makarov www.vad1.com

L= -5 L= -6 L= -7

L=+5 L=+6 L=+7

N. Bozinovic et al, Science 340, 1545 (2013) Brain imaging w/ ultrafast lasers

• NIH Astronomical Guide Stars, Sensing

& Directed Energy Weapons• AFOSR, ONR

Secure Quantum & High Capacity Communications• ONR-MURI, ARO, DARPA

All-fiber Nanoscale Microscopy• NSF

Xin Zhang

Mechanical Engineering

Positive vs negative refractive index

Metamaterials: Controlling light and many applications such as invisibility cloaking and perfect absorption

THz Screening

Mobile phone600MHz – 2.6GHz

Microwave2.4GHz

WIFI2.4GHz

Radar1GHz – 100GHz

Night Vision10 – 0.7 µm

Gas analyzer25– 1 µm

Remoter850nm

CCD300–800nm

Microscope300–800nm

Optical Storage300–800nmTHz comm. 

THz imaging 

20 m10 m

Bjoern Reinhard

Chemistry

9

Reinhard Lab: Elucidating and Controlling Life at the Nanoscale through Bioplasmonics

L

D

Lee Goldstein

Psychiatry

Jerome Mertz

Biomedical Engineering

Imaging in Complex Media

Luminescent object Spectrum

SSE

Spectral encoder

To camera LED

LED

Phase imaging in thick tissue

Microscopy with Adaptive Optics

Endoscopy through single fiber

in collaboration with Bifano Lab

Jerome Mertz, BME Department

Spectrograph

Scott Bunch

Mechanical Engineering

Experimental mechanical and electrical characterization of atomic membranes

SEM image

Pushing the limits of MEMS

Atomic Membrane Lab

S.P. Koenig et al., NatureNanotechnology, 7, 728-732(2012)

Adhesion Gas Separation Devices and other 2D Materials

X. Liu et al. Advanced Materials,26, 1571-1576 (2014)

L. Wang et al. Nano Letters,12, 3706-3710 (2012)

S.P. Koenig et al. NatureNanotechnology, 6, 543–546 (2011)

X. Liu et al. Nano Letters, 13,2309-2313 (2013)

J.S. Bunch and Martin L. DunnSolid State Communications152, 1359–1364 (2012)

N. Boddetti et al. Journal of Applied Mechanics, 80,040909 (2013)

N. Boddeti et al. NanoLetters, 13, 6216-6221 (2013)

L. Wang et al., NatureNanotechnology, 10, 785-790(2015)

B. Radisavljevic et al, Nature Nano, 2011

Shyamsunder Erramilli

Physics

Killing Viruses without Collateral Damage

1

nm

10

100

1000

10000

IgG

Nanorods +Virus

Cells

Photonicsan exquisite 21st century way of killing viruses 

without harming precious antibody pharmaceuticals.

Industry partnerEMD Millipore

Breathtakingly beautiful Physics and ChemistrySaving the world is a small 

extra bonus

Reinhard, Erramilli, Gummuluru, Ziegler

Biopharmaceutical manufactureComplex and prone to viral contamination

Christopher Gabel

Medicine

Gabel Lab: Worm Neurosurgery

Acute damage and recovery of simple neuronal circuits

C. elegans

Measure: Regeneration and Intra-cellular calcium

Damage: Laser surgery, damage a single neuron in vivo

0

1

2

Biophotonic Tools

Single Neuron Regeneration in vivo

neuron

 cut

Manipulate: Optogenetics, photo-activation of the neuron

Wild Type Genetic Mutants

Photostimulation to enhance regeneration

• Genetics• 302 identifiable neurons• transparent

Ca2+ response to damage

Mock 

Control

Behavior Network Imaging

Time (sec)Re

versals/min

Fluo

rescen

ce

David Bishop

Electrical and Computer Engineering

21

Goal:To be able to “paint” a room with both light and data.  We want to create low cost technologies to 

sculpt the light and data profiles in a room, allowing us to unobtrusively 

and responsively meet the occupants’ ever evolving needs.

Painting with Light and

*Collaborators are Tom Little, Jessica Morrison and Corey Pollock

Aaron Schmidt

Mechanical Engineering

Allison Dennis

Biomedical Engineering

Semiconductor Nanoshells for NIR 

emission

‘Giant’ Nanocrystal Quantum Dots (g‐NQDs)

Selim Unlu

Electrical and Computer Engineering

Detecting Individual Viral PathogensSP-IRIS

Joshua Semeter

Electrical and Computer Engineering

Joshua SemeterProfessor, Electrical and Computer EngineeringAssociate Director, BU Center for Space Physics

Alexander Sergienko

Electrical and Computer Engineering

Luca Dal Negro

Electrical and Computer Engineering

• Light scattering & laser spectroscopy of nanostructures

• Nonlinear & ultrafast optics

Silicon nanophotonics

Dal Negro group – Nanomaterials and Nanostructure Optics (NaNO) dalnegro@bu.edu

NOVEL MATERIALS DEVELOPMENT MATHEMATICAL MODELING AND COMPUTATION

OPTICAL CHARACTERIZATION& DEVICE TESTING

https://www.bu.edu/nano/Labs/Labs.html

ENGINEERING ELECTROMAGNETIC FIELDS WITH SILICON-COMPATIBLE NANOMATERIALS

• Silicon-compatible nanomaterials

• Novel optical nanostructures

• Materials synthesis

• Nanofabrication

• Rigorous multiple scattering theory

• Light Scattering in Complex Media

• Novel optical phenomena

A. Capretti, Y. Wang et al, Opt. Lett., 40, 1500 (2015); R. Wang et al., Opt. Express, 23, 25496 (2015); H. Sugimoto, R. Zhang et al., Appl. Phys. Lett. 107, 041111 (2015); H. Sugimoto, R Zhang et al., ACS Photonics 2, 1298 (2015); Y. Wang et al., Appl. Phys. Lett., 106, 241105 (2015); Y. Wang et al., Opt. Mat. Expr. 2015A. Capretti, Y. Wang, ACS Photonics (2015)

Anna Swan

Electrical and Computer Engineering

Manipulating 2D material properties using friction and strain

L. Wang et al., Science 342, 614 (2013)

2D materials over holes Graphene MEMS device

Strain Engineering THz Emission Pseudo Magnetic Field

Mono‐ Bi‐LayerTri‐

Graphene

Phosphoreneh‐BNMoS2graphene Transferring 2D materials

Darren Roblyer

Biomedical Engineering

Flex Circuit

Probe Housing Bottom View

purely absorbing with scatter

Tumor (4.5cm)

Zakhireh et al., 2008, EJC

Before Chemo

After Chemo

Thank you!