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Title: High-efficiency high-power butt coupling of single-mode diode lasers to indiffused LiNbO/sub 3/ optical waveguides

Abstract

We have butt coupled 13-mW cw and 27-mW (5-..mu..s-long pulses, 5% duty cycle) optical power into a single mode Ti-LiNbO/sub 3/ optical waveguide by using single-mode diode lasers at lambda = 0.84 ..mu..m. Coupling efficiencies greater than 68% were observed. These are the highest diode-laser powers coupled by any means into the technologically important class of LiNbO/sub 3/ optical waveguides. Our observations support the theory of butt coupling between injection lasers and waveguides at hitherto unavailable power levels and efficiencies. The light coupled into the waveguide has a substantially reduced incoherent power level when compared to that emitted by the laser.

Authors:
; ; ;
Publication Date:
Research Org.:
RCA Laboratories, Princeton, New Jersey 08540
OSTI Identifier:
5885908
Resource Type:
Journal Article
Journal Name:
Appl. Phys. Lett.; (United States)
Additional Journal Information:
Journal Volume: 39:12
Country of Publication:
United States
Language:
English
Subject:
42 ENGINEERING; SEMICONDUCTOR LASERS; WAVEGUIDES; COHERENT RADIATION; COUPLING; DIFFUSION; EFFICIENCY; EXPERIMENTAL DATA; MATHEMATICAL MODELS; OPTICAL EQUIPMENT; OSCILLATION MODES; PULSES; SEMICONDUCTOR DIODES; THEORETICAL DATA; TITANIUM; VISIBLE RADIATION; WAVELENGTHS; DATA; ELECTROMAGNETIC RADIATION; ELEMENTS; EQUIPMENT; INFORMATION; LASERS; METALS; NUMERICAL DATA; RADIATIONS; SEMICONDUCTOR DEVICES; TRANSITION ELEMENTS; 420300* - Engineering- Lasers- (-1989)

Citation Formats

Hammer, J M, Botez, D, Neil, C C, and Connolly, J C. High-efficiency high-power butt coupling of single-mode diode lasers to indiffused LiNbO/sub 3/ optical waveguides. United States: N. p., 1981. Web. doi:10.1063/1.92620.
Hammer, J M, Botez, D, Neil, C C, & Connolly, J C. High-efficiency high-power butt coupling of single-mode diode lasers to indiffused LiNbO/sub 3/ optical waveguides. United States. https://doi.org/10.1063/1.92620
Hammer, J M, Botez, D, Neil, C C, and Connolly, J C. 1981. "High-efficiency high-power butt coupling of single-mode diode lasers to indiffused LiNbO/sub 3/ optical waveguides". United States. https://doi.org/10.1063/1.92620.
@article{osti_5885908,
title = {High-efficiency high-power butt coupling of single-mode diode lasers to indiffused LiNbO/sub 3/ optical waveguides},
author = {Hammer, J M and Botez, D and Neil, C C and Connolly, J C},
abstractNote = {We have butt coupled 13-mW cw and 27-mW (5-..mu..s-long pulses, 5% duty cycle) optical power into a single mode Ti-LiNbO/sub 3/ optical waveguide by using single-mode diode lasers at lambda = 0.84 ..mu..m. Coupling efficiencies greater than 68% were observed. These are the highest diode-laser powers coupled by any means into the technologically important class of LiNbO/sub 3/ optical waveguides. Our observations support the theory of butt coupling between injection lasers and waveguides at hitherto unavailable power levels and efficiencies. The light coupled into the waveguide has a substantially reduced incoherent power level when compared to that emitted by the laser.},
doi = {10.1063/1.92620},
url = {https://www.osti.gov/biblio/5885908}, journal = {Appl. Phys. Lett.; (United States)},
number = ,
volume = 39:12,
place = {United States},
year = {1981},
month = {12}
}