Mega-pixel PQR laser chips for interconnect, display ITS, and biocell-tweezers OEIC

O'Dae Kwon; J. H. Yoon; D. K. Kim; Y. C. Kim; S. E. Lee; S. S. Kim

doi:10.1117/12.769412

12 February 2008 Mega-pixel PQR laser chips for interconnect, display ITS, and biocell-tweezers OEIC

O'Dae Kwon, J. H. Yoon, D. K. Kim, Y. C. Kim, S. E. Lee, S. S. Kim

Proceedings Volume 6897, Optoelectronic Integrated Circuits X; 68970V (2008) https://doi.org/10.1117/12.769412
Event: Integrated Optoelectronic Devices 2008, 2008, San Jose, California, United States

Abstract

We describe a photonic quantum ring (PQR) laser device of three dimensional toroidal whispering gallery cavity. We have succeeded in fabricating the first genuine mega-pixel laser chips via regular semiconductor technology. This has been realized since the present injection laser emitting surface-normal dominant 3D whispering gallery modes (WGMs) can be operated CW with extremely low operating currents (μA-nA per pixel), together with the lasing temperature stabilities well above 140 deg C with minimal redshifts, which solves the well-known integration problems facing the conventional VCSEL. Such properties unusual for quantum well lasers become usual because the active region, involving vertically confining DBR structure in addition to the 2D concave WGM geometry, induces a 'photonic quantum ring (PQR)-like' carrier distribution through a photonic quantum corral effect. A few applications of such mega-pixel PQR chips are explained as follows: (A) Next-generation 3D semiconductor technologies demand a strategy on the inter-chip and intra-chip optical interconnect schemes with a key to the high-density emitter array. (B) Due to mounting traffic problems and fatalities ITS technology today is looking for a revolutionary change in the technology. We will thus outline how 'SLEEP-ITS' can emerge with the PQR's position-sensing capability. (C) We describe a recent PQR 'hole' laser of convex WGM: Mega-pixel PQR 'hole' laser chips are even easier to fabricate than PQR 'mesa' lasers. Genuine Laguerre-Gaussian (LG) beam patterns of PQR holes are very promising for biocell manipulations like sorting mouse myeloid leukemia (M1s) cells. (D) Energy saving and 3D speckle-free POR laser can outdo LEDs in view of red GaAs and blue GaN devices fabricated recently.

Citation Download Citation

O'Dae Kwon, J. H. Yoon, D. K. Kim, Y. C. Kim, S. E. Lee, and S. S. Kim "Mega-pixel PQR laser chips for interconnect, display ITS, and biocell-tweezers OEIC", Proc. SPIE 6897, Optoelectronic Integrated Circuits X, 68970V (12 February 2008); https://doi.org/10.1117/12.769412

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