UdR 4 – Dipartimento di Fisica “A. Volta”ims.unipv.it/FIRB2006/workshop/Unit4.pdf · All-Optical Switching in two-Dimensional Photonic Crystal Micro-cavities Based on Silicon-on-Insulator

Dipartimento di Fisica “A. Volta”Accordo di Programma 2007-2011

Scientific Responsible: Giorgio Guizzetti

UdR 4 – Dipartimento di Fisica “A. Volta”

Research StaffExperimentMalvezzi Marco POMarabelli Franco POBajoni Daniele RCGalli Matteo RCPatrini Maddalena RCBelotti Michele* RC T.D. (now at Aresys s.r.l.)Dacarro Giacomo RC T.D.Portalupi Simone Luca PhD studentAzzini Stefano PhD student

TheoryAndreani Lucio POMarco Liscidini RC (CNISM) T.D.


Motivation

Innovation in devices for nano-electronics and nano-photonicsrequires the study and realization of micro- and nano-structuredsystems of particular interest for integrable planar heterostructures with advanced functionality.

a) miniaturization and large scale integrationb) compatibility with CMOS technology and semiconductor

lasersc) room temperature operation with negligible energy

consumptiond) active functionalities for signal processing e) reduced cost.


Task 1.10 - Nanostructures with advanced functionalities

M1 Characterization, by means of optical spectroscopy and scanning microscopytechniques, of the physical, structural and morphological properties of nanostructures to be employed in micro- and nano-devices.

M2 Implementation of innovative spectroscopic techniques for the diagnostic of nanostructured systems and devices with enhanced spatial/temporalresolution

M3 Design, simulation and realization of planar optical components for CMOS compatible optoelectronics (photonic crystals, waveguides, lasers, resonators, amplifiers…)

M4 Study for the realization of prototypes and new passive and activeoptoelectronic and photonic devices (such as optical swithces and modulators) to be integrated in single- or multy- CMOS chip.

M5 Study for the application of soft-lithography technologies and their applicabilityto large scale processes with <50 nm resolution.


Collaborations

• Prof. T. Krauss and coworkers, School of Physics and Astronomy, University of St. Andrews, UK: fabrication of silicon membrane high-Q PhC nanocavities for efficient harmonic generation and sensing applications.

• Prof. R. De La Rue and coworkers, Optoelectronics Research Group, Department of Electronics and Electrical Engineering, University of Glasgow: fabrication of SOI photonic crystal wire nanocavities for all optical switching applications.

• Prof. Enzo di Fabrizio and coworkers from BIONEM lab, University of Magna Graecia, Catanzaro & IIT Istituto Italiano di Tecnologia, Genova: fabrication of photonic and plasmonic structures for biophotonics and biosensing.

• Dott. S. Coffa - ST Microelectronics Catania: fabrication of fully CMOS compatible Er-doped PhC light emitting diodes for improved light emission at telecom wavelengths.

• Dott. R. Fusco - Centro Ricerche per Energie non convenzionaliIstituto ENI Donegani


UdR 4 – Nanostructures with advanced functionalities

First and second year activity


M1,M2 Innovative spectroscopic techniques for nanostructured systems

Strong enhancement of e.m. field in plasmonic nano-antennas


Raman detection of single nanometric entities such as single quantum dots or even few/single molecules





Full compatibility with an AFM microscopy and a Raman spectroscopy



The device opens up a number of significant applications in the nanoscale chemical mapping of materials.

Di Fabrizio, E. et al. Procedimenti di fabbricazione di un dispositivo a cristallo fotonico provvisto di guida d’ondaplasmonica. Italian patent TO2008A000693 (2008). International Application No.PCT/IB2009/054143



-5 0 5 10 15 20-15

-10

-5

0

0.0

0.2

0.4

0.6

Tra

nsm

issi

on (

dB)

Time (ns)

1397.12

Sig

nal I

nten

sity

(a.

u.)

All-Optical Switching in two-Dimensional Photonic Crystal Micro-cavities Based on Silicon-on-Insulator (SOI)

M. Belotti et al., Optics Express. 15, 11624 (2008)

ns pump pulse

Probesignal

M1,M3 Design, simulation and realization of planar optical components

Optical Pump

Signal


All-Optical Switching in High-Q One DimensionalPhotonic Wire Micro-cavities Based on Silicon-on-Insulator (SOI)

In collaboration with the Department of Electronics and Electrical Engineering, University of Glasgow

1480 1481 1482 1483 1484 14850.0

0.1

0.2

0.3

0.4

Tran

smis

sion

Wavelength (nm)

All-opticalswitching with

femtojoulepower

M1,M4 Realization of prototype passive/active optical nanodevices

SiO2

Si

Cross Section


0.60

0.65

0.70

0.75

0.80

0.85

Κ

(a/

λ)

ΓΜ

calc TMcalc TE

Careful PhC deisgn

Resonance of Er3+ emission witha photonic mode at the Γ point

Γ−Μ

Γ−Κ

1070 nm

A. Irrera, M. Galli et al., Physica E 41, 891 (2009)

Er3+

emission

0.72 0.76 0.80 0.84 0.88

0.0

0.1

0.2

0.3

0.4

0.5

PL

inte

nsity

(ar

b. u

nits

)

Energy (eV)

(x 5)

PhC, a=1070 nm PhC, a=1210 nm

Unpatterned SOI

Ref

lect

ance

(ar

b. u

nits

)

Silicon-based LED with Photonic Crystal Enhanced Light Emission



Silicon-based LED with Photonic Crystal Enhanced Light Emission

In collaboration with MATIS Catania and ST-Microelectronics, Catania



1450 1475 1500 1525 1550 1575 16000

2000

4000

6000

8000

10000

D01 D02 D03 D04 D05 D06 unpatterned

EL

inte

nsity

(co

unts

/s)

wavelength (nm)

More than 20-fold enhancement in EL intensityPatent in progress

Silicon-Based LED with Photonic Crystal Enhanced Light Emission



• All-optical switching in silicon-on-insulator photonic crystal cavities and photonic wire nano-cavities

• Design of a high-speed photonic crystal electro-optic modulator

• Realization of a plasmonic-photonic nanodevice for single molecule detection and topographic/chemical mapping

• Design and fabrication of a directional coupler

• Efficient electrically-driven light emitting device based on silicon photonic crystals

Main achievements of the 1st and 2nd year activities


UdR 4 – Nanostructures with advanced functionalities

Third year activity


M. Liscidini et al., Optics Express 18, 4260 (2010)

Enhanced light-trapping in thin-film silicon solar cells

Coll. Centro Ricerche per Energie non convenzionali – Istituto ENI Donegani



Low-power continuous-wave generation of SH and TH in Silicon PhC nanocavities

5 µm

5 µm

678 677 676 675 454 453 452 451 450 4490

5

10

15

20

25

30

1355 1354 1353 13520.0

0.1

0.2

0.3

0.4

Em

issi

on In

tens

ity (

103 c

ount

s/s)

wavelength (nm)

RS

sig

nal (

a.u.

)

wavelength (nm)

λc=1353.6nm λTH= 451.2 nm

λSH= 676.8 nm

CW pump

1 mW

Tunable light source in Silicon


Nature Photonics, under review


20 40 60 80 100

0.2

0.4

0.6

0.8

1.0

Input Power (µW)

RS

sig

nal (

a.u.

)

λ = 1588.2 nm

170 pm detuning

1588.2 1588.4 1588.60.0

0.2

0.4

0.6

0.8

1.0 4 µW 20 W 40 µW 80 µW 120 µW 160 µW

Nor

mal

ized

RS

sig

nal (

a.u.

)

Wavelength (nm)

Coupled Power

Low-power optical bistability in Si PhC nanocavities

Realization of optical memory in Silicon



Publications

• High-speed low-voltage electro-optic modulator with a polymer-infiltrated silicon photonic crystal waveguide” J.-M. Brosi, C. Koos, L.C. Andreani, M. Waldow, J. Leuthold, W. Freude, Optics Express 16, 4177 (2008).

• All-optical switching in 2D silicon photonic crystals with low loss waveguides and optical cavities”M. Belotti, J. F. Galisteo-López, S. De Angelis, M. Galli, I. Maksymov and L. C. Andreani, Optics Express 16, 11624 (2008)

• A hybrid plasmonic-photonic nanodevice for label-free detection of a few molecules” F. De Angelis, M. Patrini, G. Das, I. Maksymov, M. Galli, L. Businaro, L. C. Andreani, E. Di Fabrizio, Nano Letters 8, 2321 (2008).

• Attomole (amol) myoglobin Raman detection from plasmonic nanostructures” G. Das, F. Mecarini, F. De Angelis, M. Prasciolu, C. Liberale, M. Patrini, E. Di Fabrizio, Microelectronic Engineering 85, 1282 (2008).

• Novel plasmonic nanodevices for few/single molecule detection” F. De Angelis, G. Das, M. Patrini, P. Candeloro, C. Liberale, G. Cojoc, F. Mecarini, E. Di Fabrizio, SPIE Proceeding Vol. 7032-OT (2008).

• Nanoscale chemical mapping using three-dimensional adiabatic compression of surface plasmonpolaritons; F. De Angelis, G. Das, P. Candeloro, M. Patrini, M. Galli, A. Bek, M. Lazzarino, I. Maksymov, C. Liberale, L.C. Andreani and E. Di Fabrizio, Nature Nanotechnology, Vol. 5, January2010, pp. 67-72.

• All optical switching in silicon on insulator photonic wire nanocavities, M. Belotti, M. Galli, D. Gerace, L.C. Andreani, G. Guizzetti, A.R. Md Zain, N.P. Johnson, M. Sorel and R.M. De La Rue: "Optic Express, Vol. 18, No. 2, January 2010, pp. 1450-1461.


Publications

• Planar photonic crystal cavities with far-field optimization for high coupling efficiency and quality factor, S. L. Portalupi, M. Galli, C. Reardon, T. F. Krauss, L. O'Faolain, L. C. Andreani, and D. Gerace, Optics Express 18, 16064-16073 (2010). - Spotlight on Optics (July 2010).

• Light trapping regimes in thin-film silicon solar cells with a photonic pattern, S. Zanotto, M. Liscidini, and L.C. Andreani, Optics Express 18, 4260-4274 (2010).

• Exciton polaritons in two-dimensional photonic crystals, D. Bajoni, D. Gerace, M. Galli, J. Bloch, R. Braive, I. Sagnes, A. Miard, A. Lemaître, M. Patrini, and L.C. Andreani, Phys. Rev. B 80, 201308(R) (2009).

• Modification of erbium radiative lifetime in planar silicon slot waveguides, C. Creatore, L. C. Andreani, M. Miritello, R. Lo Savio, and F. Priolo, Appl. Phys. Lett. 94, 103112 (2009).

• Strong modification of light emission from a dye monolayer via Bloch surface waves, M. Liscidini, M. Galli, M. Shi, G. Dacarro, M. Patrini, D. Bajoni, and J. E. Sipe,Opt. Lett. 34, 2318 (2009).

• Silver high-aspect-ratio micro- and nanoimprinting for optical applications, S. Buzzi, M. Galli, M. Agio, and J. F. Loffler, Appl. Phys. Lett. 94, 223115 (2009).

• Light scattering and Fano resonances in high-Q photonic crystal Nanocavities, M. Galli, S.L. Portalupi, M. Belotti, L.C. Andreani, L. O’Faolain, and T.F. Krauss, Appl. Phys. Lett. 94, 071101 (2009).

• Demonstration of diffraction enhancement via Bloch surface waves in a-SiN:H multilayers, M. Liscidini, M. Galli, M. Patrini, R. W. Loo, M. C. Goh, C. Ricciardi, F. Giorgis, and J. E. Sipe, Appl. Phys. Lett. 94, 043117 (2009).

• Silica-embedded silicon photonic crystal waveguides, T. P. White, L. O’Faolain, Juntao Li, L. C. Andreani, and T. F. Krauss, Optics Express 16, 17076-17081 (2008).

• Grating couplers on porous silicon planar waveguides for sensing applications, X. Wei, C. Kang, M. Liscidini, G. Rong, S. T. Retterer, M. Patrini, J. E. Sipe, and S. M. Weiss, J. Appl. Phys. 104, 123113 (2008).

• Scattering-matrix analysis of periodically patterned multilayers with asymmetric unit cells and birefringent media,M. Liscidini, D. Gerace, L.C. Andreani, and J. E. Sipe, Phys. Rev. B 77, 035324 (2008).


Presentations at National and International conferences

• k-space spectroscopy of photonic crystal slabs, M.Galli, M.Belotti, M.Patrini, D. Gerace, L.C. Andreani, Y.Chen (relazione su invito) ICTON 2008 , June 22 – 26, 2008, Athens (Greece).

• Novel plasmonic nanodevices for few/single molecule detection, F. De Angelis, G. Das, M. Patrini, P. Candeloro, C. Liberale, G. Cojoc, F. Mecarini, E. Di Fabrizio (relazione su invito) SPIE Optics and Photonics, August 10-14, 2008, San Diego (USA).

• Nanostrutture fotoniche e plasmoniche per biosensori ottici ad elevate sensibilità, M.Patrini,M.Galli, I.Maksymov, L.C. Andreani, A. Stella, F. De Angelis, G. Das, E. Di Fabrizio (relazione su invito) XCIV Congresso Nazionale della Società Italiana di Fisica, 22-27 Settembre 2008, Genova, (Italy).

• Photonic and plasmonic nanodevices for enhancing light-matter interaction and biosensingfunctionalities, M.Patrini (relazione su invito) Nanoscience and Nanotechnology Workshop 2008, 20–23 Ottobre 2008 Frascati (Italy).

• All-Optical Switching in Silicon-on-Insulator Photonic Wire Nano-cavities, M. Belotti, M. Galli, D. Gerace, L.C. Andreani, A.R. Md Zain, N.P Johnson, M. Sorel and R.M. De La Rue, IEEE/LEOS Winter Topicals Meeting Series, LEOS 2009, Innsbruck, 12-14 January 2009.

• All optical switching in silicon on insulator photonic wire nanocavities, M. Belotti, M. Galli, D. Gerace, L.C. Andreani, G. Guizzetti, A.R. MdZain, N.P Johnson, M. Sorel, R.M. De La Rue (relazione su invito) IPNRA 2009 Honolulu USA 12-18 Luglio 2009

• All-optical logical operation in photonic wire nano-cavities M. Belotti, M. Galli, D. Gerace, L.C. Andreani, G. Guizzetti, A.R. MdZain, N.P Johnson, M. Sorel, R.M. De La Rue, CLEO/EQEC 2009 Munich Germania 14-19 Giugno 2009


Presentations at National and International conferences

• Nanoscale chemical mapping using three-dimensional adiabatic compression of surface plasmonpolaritons PECS-IX 2010 , September 26 – 30, 2010, Granada (Spain).

• Continuous-Wave Harmonic Generation in Far-Field Coupled Silicon Photonic Crystal Nanocavities, PECS-IX 2010 , September 26 – 30, 2010, Granada (Spain).

• Silicon photonic crystal cavities with far-field optimization for high coupling efficiency and quality factor, S. L. Portalupi, D. Gerace, M. Galli and L.C. Andreani, L. O’Faolain and T.F. Krauss, E-MRS 2010, June 7-11 2010 , Strasbourg (France)

• Increase of light emission from Erbium in silicon photonic crystal nanocavities, Matteo Galli, Liam O’Faolain, Giorgia Franzò, Dario Gerace, Thomas F. Krauss, Francesco Priolo, Lucio C. Andreani, SPIE Photonics 2010, Brussels April 12-16 2010.

• Efficiency of thin-films silicon solar cells with a photonic pattern, Simone Zanotto, Marco Liscidini, Lucio C. Andreani, SPIE Photonics 2010, Brussels April 12-16 2010


Acquisto strumentazione di rilievo

Supercontinuum Laser Source, FIANIUM SC400-PP

Documents

UdR 4 – Dipartimento di Fisica “A. Volta”ims.unipv.it/FIRB2006/workshop/Unit4.pdf · All-Optical Switching in two-Dimensional Photonic Crystal Micro-cavities Based on Silicon-on-Insulator