Transverse mode control in wide-single-stripe lasers by loading modal filters

Preliminary studies demonstrate the effectiveness of modal filters for controlling transverse modes in wide-single-stripe SBA (self-aligned bent-active-layer) lasers by means of two methods. The first uses a flared waveguide SBA laser while the other uses a wide-stripe SBA laser with a modal reflect...

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Main Authors: Kaneno, N., Shigihara, K., Aoyagi, T., Hinata, S., Nagai, Y., Mihashi, Y., Seiwa, Y., Ikeda, K., Susaki, W.
Format: Conference Proceeding
Language:English
Subjects:
Coatings
Filters
Laser modes
Optical control
Optical waveguides
Phased arrays
Power lasers
Reflectivity
Semiconductor lasers
Waveguide lasers
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creator Kaneno, N.
Shigihara, K.
Aoyagi, T.
Hinata, S.
Nagai, Y.
Mihashi, Y.
Seiwa, Y.
Ikeda, K.
Susaki, W.
description Preliminary studies demonstrate the effectiveness of modal filters for controlling transverse modes in wide-single-stripe SBA (self-aligned bent-active-layer) lasers by means of two methods. The first uses a flared waveguide SBA laser while the other uses a wide-stripe SBA laser with a modal reflector at the output facet. Both lasers demonstrate single-lobed far-field patterns. These preliminary experiments show that both modal filters are effective for transverse-mode control. Higher output power in the fundamental transverse mode can be attained by combining these two modal filters.< >
doi_str_mv 10.1109/IEDM.1988.32820
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identifier ISSN: 0163-1918
ispartof Technical Digest., International Electron Devices Meeting, 1988, p.315-318
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source IEEE Xplore All Conference Series
subjects Coatings
Filters
Laser modes
Optical control
Optical waveguides
Phased arrays
Power lasers
Reflectivity
Semiconductor lasers
Waveguide lasers
title Transverse mode control in wide-single-stripe lasers by loading modal filters
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