RF Modulation Of A High Power Gaaias Laser Diode Array

Charles R. Chubb; Louis B. Allen; Victor H. Nettle; Robert R. Rice

doi:10.1117/12.959392

31 October 1980 RF Modulation Of A High Power Gaaias Laser Diode Array

Charles R. Chubb, Louis B. Allen, Victor H. Nettle, Robert R. Rice

Proceedings Volume 0247, Advances in Laser Engineering and Applications; (1980) https://doi.org/10.1117/12.959392
Event: 24th Annual Technical Symposium, 1980, San Diego, United States

Abstract

An array of twenty GaAlAs laser diodes was fabricated and RF and pulse modulation tests were conducted over a wide range in frequencies and pulse repetition rates. Measurements were made on the arrays to determine the dc voltage-current characteristics, optical output versus dc current, optical output beam distribution with off-axis angle, RF impedance versus frequency, RF optical waveform phase variation with off-axis angle, RF modulated optical output versus the RF drive voltage, RF modulated optical output for individual diodes in the array, optical waveform spectrum analyzer measurements, emission wavelength spectrum with and without modulation, effect of failed diodes on array performance, and the effects of long-term operation on array performance. All tests confirmed that the concept of requiring modulated diode arrays in applications requiring high optical power is acceptable.

Citation Download Citation

Charles R. Chubb, Louis B. Allen, Victor H. Nettle, and Robert R. Rice "RF Modulation Of A High Power Gaaias Laser Diode Array", Proc. SPIE 0247, Advances in Laser Engineering and Applications, (31 October 1980); https://doi.org/10.1117/12.959392

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