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IEEE Photonics Conference 2012

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TECHNICAL PROGRAM TUESDAY 25 SEPTEMBER <strong>2012</strong><br />

GRAND BALLROOM F GRAND BALLROOM G HARBOUR ROOM A GRAND BALLROOM A<br />

TuM2 11:00 AM - 11:15 AM<br />

TuN2 11:00 AM - 11:15 AM<br />

Multidimensional Optimum Signal<br />

Constellation Design for Few-Mode Fiber<br />

based High-Speed Optical Transport,<br />

T. Liu, University of Arizona, Tucson, AZ, USA<br />

We propose an algorithm to determine the N-<br />

dimensional optimum signal constellation<br />

design (ND-OSCD), in MMSE sense, for channel<br />

capacity achieving source distribution. The<br />

simulation results indicate that the proposed ND-<br />

OSCD outperforms QAM and sphere packing.<br />

Passive Polarization Mode Convertor<br />

Monolithically Integrated Within a<br />

Semiconductor Laser, M. A. Naeem,<br />

B. M. Holmes, A. E. Kelly, J. H. Marsh and<br />

D. C. Hutchings, University of Glasgow,<br />

Glasgow, Scotland, UK<br />

A passive polarization mode convertor monolithically<br />

integrated within the cavity of a<br />

semiconductor laser is reported. A TE-to-TM<br />

conversion efficiency of more than 90% is<br />

obtained using back-to-back sub-wavelength air<br />

trenches.<br />

TuO2 11:00 AM - 11:30 AM (Invited)<br />

Interference Between Nanophotonic<br />

Resonances, S. Fan, Stanford University,<br />

Stanford, CA, USA<br />

We discuss some of the effects when strong<br />

interference occurs between nanophotonic resonances<br />

and the applications of such interference<br />

including dynamic control.<br />

TuP3 11:00 AM - 11:15 AM<br />

Wide-Bandwidth Sub-100 µm Si Photonic<br />

Crystal MZI Optical Modulators at 10<br />

Gb/s, H. C. Nguyen, M. Shinkawa, N. Ishikura<br />

and T. Baba, Yokohama National University,<br />

Yokohama, Kanagawa, Japan<br />

We demonstrate the first sub-100 µm, 10 Gb/s<br />

Si MZI optical modulator. Slow-light photonic<br />

crystal waveguides enable carrier-depletion,<br />

near-error-free modulation in a 90 µm device by<br />

a 4.3 Vpp drive signal, with 17 nm bandwidth.<br />

TuM3 11:15 AM - 11:30 AM<br />

BER Calculation of a Single Channel<br />

Nonlinear Fiber Optic Transmission<br />

System Based on QPSK, S. Naderi Shahi<br />

and S. Kumar, McMaster University, Hamilton,<br />

ON, Canada<br />

An analytical expression for the PSD of the<br />

nonlinear distortions is derived which significantly<br />

reduces the computational time of the BER<br />

estimation.<br />

TuN3 11:15 AM - 11:30 AM<br />

Monolithic Tunable Laser based on<br />

Selectively Intermixed GaAs/AlGaAs QW<br />

Structure, A. Zakariya and P. LiKamWa,<br />

University of Central Florida, Orlando, FL, USA<br />

We demonstrate a monolithic 10nm tunable<br />

integrated laser on a QW structure. Wavelength<br />

switching is achieved by steering an optical gain<br />

media laterally over two adjacent quantum well<br />

regions selectively intermixed to varying extents.<br />

TuP4 11:15 AM - 11:30 AM<br />

Larger-Area Single-Mode Photonic<br />

Crystal Surface-Emitting Lasers Enabled<br />

by the Accidental Dirac-Point, S.-L. Chua,<br />

L. Lu and M. Soljacic, Massachusetts Institute of<br />

Technology, Cambridge, MA, USA<br />

We propose to obtain larger-area single-mode<br />

photonic crystal surface-emitting lasers by<br />

increasing the mode-spacing at the bandedge<br />

where the dispersions form an accidental Diracpoint<br />

at the center of the Brillouin zone.<br />

TuM4 11:30 AM - 11:45 AM<br />

TuN4 11:30 AM - 11:45 AM<br />

Direct Measurement of Nonlinear WDM<br />

Crosstalk Using Coherent Optical<br />

Detection, M. A. Reimer, A. Borowiec, X. Tang,<br />

C. Laperle and M. S. O’Sullivan, Ciena<br />

Corporation, Ottawa, ON, Canada<br />

We present a direct measurement of the interchannel<br />

Kerr effect on the optical field of a<br />

continuous-wave probe affected by an on-offkeyed<br />

10 Gb/s pump. Measurements are used to<br />

verify predictions of the Manakov-PMD equation.<br />

Single-Mode Narrow-Linewidth and<br />

Tunable Two-Electrode Corrugated-Ridge<br />

Waveguide DFB Lasers, K. Dridi,<br />

A. Benhsaien, University of Ottawa, Ottawa, ON,<br />

Canada, J. Zhang, CMC Microsystem, Ottawa,<br />

ON, Canada and T. J. Hall, University of Ottawa,<br />

Ottawa, ON, Canada<br />

A single-mode and narrow linewidth two-electrode<br />

corrugated-ridge waveguide DFB laser has<br />

been fabricated. The preliminary characterization<br />

shows side-mode suppression ratios over 50 dB,<br />

a tuning range over 3.2 nm, and a linewidth of<br />

205 kHz.<br />

TuN5 11:45 AM - 12:00 PM<br />

Influence of Facet Phases on Adiabatic<br />

Chirp Behavior of Index-Coupled<br />

Distributed-Feedback Lasers, K. Kechaou,<br />

B. Thedrez, F. Grillot, Telecom ParisTech, Paris,<br />

France, G. Aubin, Laboratoire de Photonique et<br />

de Nanostructures, Marcoussis, France,<br />

C. Kazmierski, Alcatel Thales III-V Lab,<br />

Marcoussis, France and D. Erasme, Telecom<br />

ParisTech, Paris, France<br />

The adiabatic chirp for antireflection/high-reflection<br />

DFB laser is mostly dependent on<br />

high-reflection facet phase independently of the<br />

antireflection quality while very low reflectivity<br />

allows chirp predicting from the laser emission<br />

spectrum.<br />

TuO3 11:30 AM - 11:45 AM<br />

Beating the Diffraction Limit with Perfect<br />

Confinement Inside a Right-Handed<br />

Cavity, V. Ginis, Vrije University Brussels,<br />

Brussels, Belgium, P. Tassin, Iowa State<br />

University, Ames, IA, USA, J. Danckaert, Vrije<br />

University Brussels, Brussels, Belgium,<br />

C. Soukoulis, Iowa State University, Ames, IA,<br />

USA and I. Veretennicoff, Vrije University<br />

Brussels, Brussels, Belgium<br />

We develop a novel approach to create optical<br />

resonators by applying the geometrical technique<br />

of transformation optics and we show that the<br />

fundamental diffraction limit can be overcome<br />

inside metamaterials with right-handed material<br />

parameters.<br />

TuO4 11:45 AM - 12:00 PM<br />

Quality Factor for High Contrast Grating<br />

Resonators, L. Zhu, W. Yang and<br />

C. J. Chang-Hasnain, University of California -<br />

Berkeley, Berkeley, CA, USA<br />

The quality (Q) factor values of the high contrast<br />

subwavelength grating (HCG) resonator with<br />

different numbers of grating periods are studied.<br />

Q-factor >400 is achieved with only 2-period<br />

HCG having very small 0.58 λ 3 volume.<br />

TuP5 11:30 AM - 11:45 AM<br />

Wide-Band Vertical Waveguide for<br />

Three-Dimensional Light Guiding in<br />

Photonic Crystals, K. Ishizaki, M. Koumura,<br />

K. Suzuki, K. Gondaira and S. Noda, Kyoto<br />

University, Kyoto, Japan<br />

A new design of vertical waveguide is investigated<br />

for on-demand three-dimensional light<br />

guiding in three-dimensional photonic crystals.<br />

Optical characterization successfully demonstrates<br />

that the wide-band vertical guiding is<br />

realized in a fabricated photonic crystal.<br />

TuP6 11:45 AM - 12:00 PM<br />

CMOS Compatible Subwavelength<br />

Grating Couplers for Silicon Integrated<br />

<strong>Photonics</strong>, X. Xu, University of Texas at Austin,<br />

Austin, TX, USA, H. Subbaraman, Omega Optics<br />

Inc., Austin, TX, USA, J. Covey, D. Kwong,<br />

University of Texas at Austin, Austin, TX, USA,<br />

A. Hosseini, Omega Optics Inc., Austin, TX, USA,<br />

and R. T. Chen, University of Texas at Austin,<br />

Austin, TX, USA<br />

We demonstrate a through etched subwavelength<br />

grating coupler, which can be patterned together<br />

with other photonic components. It achieves a<br />

very high coupling efficiency of 59% with a 3dB<br />

bandwidth of 60 nm.<br />

Page 39

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