A highly integrated homodyne receiver has been demonstrated within a footprint of 1 cm. The receiver successfully receives 40 Gbit/s BPSK and error free is achieved up to 35 Gbit/s. Theoretical analysis has been also carried out showing the feasibility of integrated 16 QAM homodyne coherent receivers. OCIS codes: (250.5300) Photonic integrated circuits; (060.2840) Heterodyne; Optical phase-lock...

A 4-channel multi-wavelength laser integrated on a silicon waveguide circuit is realized. Waveguide-coupled output powers of 2mW and a side mode suppression ratio of more than 45dB for all channels is realized. OCIS codes: (250.0250) Integrated optics; (250.5300) Photonic integrated circuits; (250.5960) Semiconductor lasers.

Photonic crystal ring resonators (PCRRs) are traditional structures fordesigning optical channel drop filters. In this paper, Photonic crystal channel drop filter(CDFs) with a new configuration of ring resonator is presented. The structure is made ofa square lattice of silicon rods with the refractive index nsi=3. 4 which are perforated inair with refractive index nair=1. Calculations of band s...

Silicon-based large-scale photonic integrated circuits are becoming important, due to the need for higher complexity and lower cost for optical transmitters, receivers and optical buffers. In this paper, passive technologies for large-scale photonic integrated circuits are described, including polarization handling, light non-reciprocity and loss reduction. The design rule for polarization beam...

Integrated quantum photonic devices with single quantum dot emitters A. Mark Fox University of Sheffield The integration of semiconductornanostructures with on-chip photonic devices offers the possibility to incorporate quantum-dot (QD) single-photon sources into advanced quantum-optical circuits. In order achieve this goal, a number of key photonic components have to be developed in a platform...

Photonic-integrated circuits have emerged as a scalable platform for complex quantum systems. A central goal is to integrate single-photon detectors to reduce optical losses, latency and wiring complexity associated with off-chip detectors. Superconducting nanowire single-photon detectors (SNSPDs) are particularly attractive because of high detection efficiency, sub-50-ps jitter and nanosecond-...

In this work we explore the negative thermo-optic properties of liquid crystal claddings for passive temperature stabilization of silicon photonic integrated circuits. Photonic circuits are playing an increasing role in communications and computing, but they suffer from temperature dependent performance variation. Most existing techniques aimed at compensation of thermal effects rely on power h...

We demonstrate a monolithically integrated particle sensor based on evanescent field scattering, well suited for use with affinity assays for pathogen recognition. Single micron sized particles may be detected, representative of spores and small bacteria. ©2004 Optical Society of America OCIS codes: (250.5300) Photonic integrated circuits; (140.5960) Semiconductor lasers

An integrated tunable C band laser fabricated in a commercial CMOS foundry is discussed. The laser is embedded in the silicon chip, and is hermetically sealed. Preliminary optical characterization results are presented. OCIS codes: (250.5960) Semiconductor Lasers; (250.5300) Photonic Integrated Circuits; (140.3600) Lasers, tunable