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Editorial
Simply silicon - pp491
Silicon integrated optical chips that can generate, modulate, process and detect light signals offer the tantalizing prospect of cost-effectively meeting the ever-increasing demands on data speed and bandwidth.
Commentaries
Towards fabless silicon photonics - pp492 - 494
Michael Hochberg & Tom Baehr-Jones
Silicon photonic devices can be built using commercial CMOS chip fabrication facilities, or 'fabs'. However, nearly all research groups continue to design, build and test chips internally, rather than leveraging shared CMOS foundry infrastructure.
Mid-infrared photonics in silicon and germanium pp495 - 497
Richard Soref
Ingenious techniques are needed to extend group IV photonics from near-infrared to mid-infrared wavelengths. If achieved, the reward could be on-chip CMOS optoelectronic systems for use in spectroscopy, chemical and biological sensing, and free-space communications.
Interview
Integrating silicon photonics - pp498 - 499
Interview with Mario Paniccia
Mario Paniccia, Intel fellow and director of Intel's Photonics Technology Lab, talks to Nature Photonics about the company's progress in commercializing high-speed silicon photonics.
Progress article
Recent progress in lasers on silicon - pp511 - 517
Di Liang & John E. Bowers
Silicon lasers have long been a goal for semiconductor scientists. This Progress Article reviews the most recent developments in this field, including silicon Raman lasers, the first germanium-on-silicon lasers operating at room temperature, and hybrid silicon microring and microdisk lasers. Challenges and opportunities for the present approaches are also discussed.
Reviews
Silicon optical modulators - pp518 - 526
G. T. Reed, G. Mashanovich, F. Y. Gardes & D. J. Thomson
CMOS-compatible silicon optical modulators with high modulation speeds, large bandwidths, small footprints, low losses and ultralow power consumption are needed for current optical communications systems relying on highly integrated on-chip optical circuits. This Review summarizes the techniques used to implement silicon optical modulators, gives an outlook for these devices, and discusses the candidate solutions of the future.
High-performance Ge-on-Si photodetectors - pp527 - 534
Jurgen Michel, Jifeng Liu & Lionel C. Kimerling
Nonlinear silicon photonics - pp 535 - 544
J. Leuthold, C. Koos & W. Freude