Publication

1.3µm-wavelength phase-locked VCSEL arrays incorporating patterned tunnel junction

Elyahou Kapon, Vladimir Iakovlev, Alexei Sirbu
2009
Journal Articles

Abstract

We report the fabrication and the performance of phase-locked VCSEL arrays emitting near 1310 nm wavelength. The arrays were fabricated using double wafer fusion by patterning a tunnel junction layer, which serves to define the individual single mode array elements. Phase-locking in both one-dimensional and two-dimensional array configurations was confirmed by means of far field and spectral measurements as well as theoretical modeling. CW output powers of more than 12 mW were achieved. (C) 2009 Optical Society of America

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https://infoscience.epfl.ch/entities/publication/266b9c1a-6e7e-4d99-9b69-9f30db1b453f

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Elyahou Kapon, Vladimir Iakovlev, Alexei Sirbu
2009
Journal Articles

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/266b9c1a-6e7e-4d99-9b69-9f30db1b453f

About this result

Related concepts (32)

Phased array

In antenna theory, a phased array usually means an electronically scanned array, a computer-controlled array of antennas which creates a beam of radio waves that can be electronically steered to point in different directions without moving the antennas. In a simple array antenna, the radio frequency current from the transmitter is fed to multiple individual antenna elements with the proper phase relationship so that the radio waves from the separate elements combine (superpose) to form beams, to increase power radiated in desired directions and suppress radiation in undesired directions.

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In physics and mathematics, the dimension of a mathematical space (or object) is informally defined as the minimum number of coordinates needed to specify any point within it. Thus, a line has a dimension of one (1D) because only one coordinate is needed to specify a point on it - for example, the point at 5 on a number line. A surface, such as the boundary of a cylinder or sphere, has a dimension of two (2D) because two coordinates are needed to specify a point on it - for example, both a latitude and longitude are required to locate a point on the surface of a sphere.

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1.3µm-wavelength phase-locked VCSEL arrays incorporating patterned tunnel junction

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