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Hybrid integrated external cavity laser using 1.5% ΔPLC

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7 Author(s)
Tanaka, T. ; NTT Photonics Labs., NTT Corp., Atsugi, Japan ; Ogawa, I. ; Hibino, Y. ; Kasahara, R.
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An integrated external cavity laser (ECL) using planar lightwave circuits (PLCs) with a higher than usual refractive index contrast has been successfully demonstrated. The small modefield of the PLCs enables use of a laser diode without a spot-size converter and eliminates the need for a Si terrace structure. The oscillation characteristics of the ECL are as good as those of a conventional ECL with a lower contrast.

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Electronics Letters  (Volume:41 ,  Issue: 2 )