High-power single-mode InGaAsP/InP laser diodes for pulsed operation

Evgenii Kotelnikov; Alexei Katsnelson; Ketan Patel; Igor Kudryashov

doi:10.1117/12.909162

8 February 2012 High-power single-mode InGaAsP/InP laser diodes for pulsed operation

Evgenii Kotelnikov, Alexei Katsnelson, Ketan Patel, Igor Kudryashov

Proceedings Volume 8277, Novel In-Plane Semiconductor Lasers XI; 827715 (2012) https://doi.org/10.1117/12.909162
Event: SPIE OPTO, 2012, San Francisco, California, United States

Abstract

We present high power, high reliability, single mode ridge waveguide laser diodes operated in an external cavity configuration. The cavity is formed by installing an InGaAsP/InP laser chip into a cavity with a Bragg grating mirror (BGM). The laser has fiber optical output. The devices are characterized by narrow spectral width operation, in pulsed and CW modes. We obtained 1.7 W output power in single mode fiber at 2 - 10 ns pulses, at a 1550 nm wavelength, with an optical line width of 0.15 nm. For CW excitation, the devices emitted 200 mW optical power with a bandwidth of less than 0.01 nm. These devices exhibit high temperature stability of the laser line spectral position. The construction of these devices enables cost-efficient, narrow bandwidth lasers in the wavelength range from 1300 to 1900 nm.

Citation Download Citation

Evgenii Kotelnikov, Alexei Katsnelson, Ketan Patel, and Igor Kudryashov "High-power single-mode InGaAsP/InP laser diodes for pulsed operation", Proc. SPIE 8277, Novel In-Plane Semiconductor Lasers XI, 827715 (8 February 2012); https://doi.org/10.1117/12.909162

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