A surface-emitting laser, in which light is emitted vertically at one end from a near 45.degree.-angled facet, includes a second end having a perpendicular facet from which light is emitted horizontally, for monitoring. The surface-emitting laser comprises a divergence-compensating lens on the surface above the near 45.degree.-angled facet.

 
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> Low relative intensity noise fiber grating type laser diode

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