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Publikováno v:
Applied Physics A. 101(2):225-229
A new method for simple and economic fabrication of diffractive optical elements (DOEs) with three and four phase levels, by UV nanosecond (ns) laser ablation is presented. The technique is based on the combination of two sequentially generated compl
Autor:
David A. Horsley, Sagi Mathai, Shih-Yuan Wang, Jeffrey B. Chou, Ming C. Wu, B. E. Yoxall, Kyoungsik Yu, Michael R. T. Tan
Publikováno v:
Chou, Jeffrey; Yu, Kyoungsik; Horsley, David; Yoxall, Brian; Mathai, Sagi; Tan, Michael R.; et al.(2009). Robust free space board-to-board optical interconnect with closed loop MEMS tracking. Applied Physics A: Materials Science & Processing, 95(4), pp 973-982. doi: 10.1007/s00339-009-5126-1. Retrieved from: http://www.escholarship.org/uc/item/9c02h651
We present a free-space optical interconnect system capable of dynamic closed-loop optical alignment using a microlens scanner with a proportional integral and derivative controller. Electrostatic microlens scanners based on combdrive actuators are d
Autor:
Logeeswaran Vj, M. Saif Islam, David A. Horsley, Feiyang Wu, Shih-Yuan Wang, Denny Houng, Sagi Mathai, Robert G. Walmsley, Michael R. T. Tan
Publikováno v:
Wu, Feiyang; VJ, Logeeswaran; Islam, M. Saif; Horsley, David A.; Walmsley, Robert G.; Mathai, Sagi; et al.(2009). Integrated receiver architectures for board-to-board free-space optical interconnects. Applied Physics A: Materials Science & Processing, 95(4), pp 1079-1088. doi: 10.1007/s00339-009-5114-5. Retrieved from: http://www.escholarship.org/uc/item/62p941r4
In many computer and server communications copper cables and wires are currently being used for data transmission and interconnects. However, due to significant shortcomings, such as long transmission time, high noise level, unstable electrical prope
Autor:
Hans-Ulrich Krebs, Johanna Röder
Publikováno v:
Applied Physics A. 90(4):609-613
The development of the surface roughness of amorphous ZrO2 layers with different thicknesses, which were laser deposited on nanocrystalline Ag surfaces, was analyzed by atomic force microscopy. With increasing ZrO2 layer thickness first the surface s
Autor:
Larry A. Coldren, Yu-Chia Chang
Publikováno v:
Chang, Yu-Chia; & Coldren, Larry A.(2009). High-efficiency, high-speed VCSELs for optical interconnects. Applied Physics A: Materials Science & Processing, 95(4), pp 1033-1037. doi: 10.1007/s00339-009-5112-7. Retrieved from: http://www.escholarship.org/uc/item/76k4t2fn
High-efficiency, high-speed, tapered-oxide-apertured vertical-cavity surface-emitting lasers (VCSELs) emitting at 980 nm have been demonstrated. By carefully engineering the tapered oxide aperture, the mode volume can be greatly reduced without addin
Autor:
Charles M. Lieber, Ritesh Agarwal
Publikováno v:
Applied Physics A. 85(3):209-215
Single crystalline semiconductor nanowires are being extensively investigated due to their unique electronic and optical properties and their potential use in novel electronic and photonic devices. The unique properties of nanowires arise owing to th
Laser-induced acoustic wave generation/propagation/interaction in water in various internal channels
Autor:
Seung Hwan Ko, Daeho Lee, Elias Panides, Costas P. Grigoropoulos, Gerald A. Domoto, Sang-Gil Ryu, Heng Pan, Nick Kladias
Publikováno v:
Ko, Seung Hwan; Lee, Daeho; Pan, Heng; Ryu, Sang-Gil; Grigoropoulos, Costas P.; Kladias, Nick; et al.(2010). Laser-induced acoustic wave generation/propagation/interaction in water in various internal channels. Applied Physics A: Materials Science & Processing, 100(2), pp 391-400. doi: 10.1007/s00339-010-5856-0. Retrieved from: http://www.escholarship.org/uc/item/24w9d57r
Short pulsed laser-induced single acoustic wave generation, propagation, interaction within a water-filled internal channel are experimentally and numerically studied. A large-area, short-duration, single-plane acoustic wave was generated by the ther
Autor:
Brian R. Koch, Ying-Hao Kuo, Erica Lively, Alexander W. Fang, Richard Jones, Di Liang, Matthew N. Sysak, Hui-Wen Chen, John E. Bowers, Omri Raday
Publikováno v:
Liang, Di; Fang, Alexander W.; Chen, Hui-Wen; Sysak, Matthew N.; Koch, Brian R.; Lively, Erica; et al.(2009). Hybrid silicon evanescent approach to optical interconnects. Applied Physics A: Materials Science & Processing, 95(4), pp 1045-1057. doi: 10.1007/s00339-009-5118-1. Retrieved from: http://www.escholarship.org/uc/item/1826b61p
We discuss the recently developed hybrid silicon evanescent platform (HSEP), and its application as a promising candidate for optical interconnects in silicon. A number of key discrete components and a wafer-scale integration process are reviewed. Th
Publikováno v:
Tien, Ming-Chun; Ohta, Aaron T.; Yu, Kyoungsik; Neale, Steven L.; & Wu, Ming C.(2009). Heterogeneous integration of InGaAsP microdisk laser on a silicon platform using optofluidic assembly. Applied Physics A: Materials Science & Processing, 95(4), pp 967-972. doi: 10.1007/s00339-009-5125-2. Retrieved from: http://www.escholarship.org/uc/item/2m5341kq
Heterogeneous integration of InGaAsP microdisk lasers on a silicon platform is demonstrated experimentally using an optofluidic assembly technique. The 200-nm-thick, 5- and 10-μm-diameter microdisk lasers are fabricated on InP and then released from
Publikováno v:
Applied Physics A. 108(2):263-267
We present 1-on-1 and 10-on-1 damage threshold investigations on Mo/Si multilayers with EUV radiation of 13.5 nm wavelength, using a table-top laser produced plasma source based on solid gold as target material. The experiments were performed on diff