Zobrazeno 1 - 10
of 34
pro vyhledávání: '"D.A.S. Loeber"'
Autor:
M.K. Davis, S. Balsamo, Hong Ky Nguyen, G.M. Smith, D.A.S. Loeber, G. Ghislotti, Martin H. Hu
Publikováno v:
IEEE Journal of Selected Topics in Quantum Electronics. 11:1197-1208
Wavelength stabilization of high-power pump lasers for fiber amplifier applications involves complex interactions between the laser chip and the fiber Bragg grating (FBG). We present a comprehensive theoretical model for the window of operation in th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::27fbbebf171a7d3a729e39d7e763e296
https://doi.org/10.1109/jstqe.2005.853850
https://doi.org/10.1109/jstqe.2005.853850
Autor:
D.A.S. Loeber, Guowen Yang, A. Kussmaul, Martin H. Hu, M.K. Davis, Yuqing Zhu, Xingsheng Liu, Chung-En Zah
Publikováno v:
IEEE Journal of Quantum Electronics. 40:354-363
Abnormal spectral characteristics are observed in high-power semiconductor pump laser modules with ultralow chip front-facet reflectivity levels. We have identified the root cause as destructive interference in an external-cavity reflection from an a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1c892057875255d973a66d80d69a8dea
https://doi.org/10.1109/jqe.2004.825115
https://doi.org/10.1109/jqe.2004.825115
Publikováno v:
IEEE Photonics Technology Letters. 16:2403-2405
We report on highly reliable, high-power, and high-performance 980-nm quantum-well laser chips and modules. Ridge waveguide laser diode chips with 750-mW output power and 500-mW fiber Bragg grating stabilized modules have been achieved and Telcordia-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f2a86ae08abff8776ff50786dd88b680
https://doi.org/10.1109/lpt.2004.835188
https://doi.org/10.1109/lpt.2004.835188
Publikováno v:
IEEE Photonics Technology Letters. 16:2003-2005
We demonstrate that polarization extinction ratio (PER) affects the spectral instability of 980-nm band fiber Bragg grating stabilized pump lasers using a polarization-maintaining fiber pigtail. Enhanced spectral stability better than 0.01 nm is demo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4ff2df984c878ac76cb3fafb69cc9f15
https://doi.org/10.1109/lpt.2004.833058
https://doi.org/10.1109/lpt.2004.833058
Autor:
Guowen Yang, Hong-Ky Nguyen, A. Kussmaul, Martin H. Hu, M.K. Davis, Chung-En Zah, G.M. Smith, D.A.S. Loeber, Rajaram Bhat
Publikováno v:
IEEE Photonics Technology Letters. 16:981-983
We report high-performance 980-nm ridge waveguide quantum-well lasers with extremely low vertical beam divergence of 13/spl deg/. A very small aspect ratio of 1.6 is obtained at high operating power of 900 mW. In addition to the more circular beam, l
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9ede03e662ab8e7069ba75b86f9c9b23
https://doi.org/10.1109/lpt.2004.824662
https://doi.org/10.1109/lpt.2004.824662
Publikováno v:
Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications IX.
Laser-based projectors are gaining increased acceptance in mobile device market due to their low power consumption, superior image quality and small size. The basic configuration of such micro-projectors is a miniature mirror that creates an image by
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e7212decd7910b53d8e345a9b1e7e444
https://doi.org/10.1117/12.844857
https://doi.org/10.1117/12.844857
Publikováno v:
Scopus-Elsevier
The characteristics of the longitudinal mode hops of 1060-nm high-power DBR lasers are studied. We demonstrate a return-to-zero technique for eliminating large mode hops and wavelength hysteresis caused by the photon-induced gain saturation effect.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::12b633cda1623a3d5616bf6ec8a11ebf
https://doi.org/10.1109/cleo.2008.4551152
https://doi.org/10.1109/cleo.2008.4551152
Autor:
Yabo Li, Chung-En Zah, R.W. Davis, D.A.S. Loeber, Hong Ky Nguyen, Nick Visovsky, Martin H. Hu, Sean Coleman, Kechang Song
Publikováno v:
2006 IEEE LEOS Annual Meeting Conference Proceedings.
We report highly reliable 1060-nm DBR lasers with a single-wavelength output power larger than 350 mW and a failure rate as low as 3.2 kFITs at a heat-sink temperature of 25degC and a gain current of 500 mA. The reliability data of the high-power 106
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3338eeca3795f8be2bd2d78b419e2b3f
https://doi.org/10.1109/leos.2006.278795
https://doi.org/10.1109/leos.2006.278795
Publikováno v:
LEOS 2000. 2000 IEEE Annual Meeting Conference Proceedings. 13th Annual Meeting. IEEE Lasers and Electro-Optics Society 2000 Annual Meeting (Cat. No.00CH37080).
Higher power pump lasers will be used in future designs of erbium doped fiber amplifiers (EDFAs) to reduce the number of components in the EDFA as well as increase the channel count capacity of the fiber. The usable power from the laser is limited by
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::75ec931557acb723dde235dd0c1fd631
https://doi.org/10.1109/leos.2000.893939
https://doi.org/10.1109/leos.2000.893939
Publikováno v:
Information Display. 25:34-34
— Efficient and very-compact projectors embedded into mobile consumer-electronic devices, such as handsets, media players, gaming consoles, and GPS units, will enable new consumer use and industry business models. A keystone component for such proj
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5d8ca719ec72df5b53fb375a4029c06f
https://doi.org/10.1002/j.2637-496x.2009.tb00018.x
https://doi.org/10.1002/j.2637-496x.2009.tb00018.x