Wide-range tunable dual-wavelength semiconductor laser using asymmetric dual quantum wells
Resource
IEEE Photonics Technology Letters 10 (9): 1208-1210
Journal
IEEE Photonics Technology Letters
Journal Volume
10
Journal Issue
9
Pages
1208-1210
Date Issued
1998
Date
1998
Author(s)
Abstract
Using asymmetric dual quantum wells for the laser material, the semiconductor laser is able to operate at dual wavelengths with an extremely wide tuning range. The spectral spacing could be tuned to as large as 55.7 nm (25 THz). With the spectral spacing fixed, the two wavelengths could also be simultaneously tuned for a range as wide as 34.7 nm. In addition, with one wavelength fixed, the other one could be separately tuned. The experiments indicate that the two wavelengths can be almost randomly selected within a large spectral range over 30 nm.
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journal article
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