Silicon micro-ring tunable laser for coherent optical communication

Tunable ring resonators for silicon Raman laser and amplifier applications

Recently, low threshold Raman silicon lasers based on ring resonator architecture have been demonstrated. One of the key elements of the laser cavity is the directional coupler that couples both pump and signal light in and out of the ring resonator from the bus waveguide. The coupling coefficients are crucial for achieving desired laser performance. In this paper, we report design, fabrication...

Cascaded silicon micro-ring modulators for WDM optical interconnection.

We experimentally demonstrate cascaded silicon micro-ring modulators as the key component of a WDM interconnection system. We show clean eye-diagrams when each of the four micro-ring modulators is modulated at 4 Gbit/s. We show that optical inter-channel crosstalk is negligible with 1.3-nm channel spacing.

All-optical logic based on silicon micro-ring resonators.

We demonstrate all-optical logic in a micron-size silicon ring resonator based on the free-carrier dispersion effect in silicon. We show AND and NAND operation at 310 Mbit/s with ~10-dB extinction ratio. The free-carrier-lifetime-limited bit-rate can be significantly improved by active carrier extraction.

Optical klystron FEL scheme for x-ray coherent harmonic generation at ISLF storage ring

The possibility of inserting an optical klystron on the storage ring of an Iranian Light Source Facility as a Synchrotron Radiation Free electron Laser for coherence harmonic generation in the soft x-ray spectrum has been studied. The study has been performed using the 3D FEL simulation code GENESIS 1.3 and in accordance with the available characteristic parameters of ISLF. Different potential ...

Silicon Micro-Ring Modulator Modeling