Quantum noise-suppressed operation of TJS and SQW ridge-waveguide laser diodes in photon transistor configurations

P.J. Edwards1, W.N. Cheung2, A. Uddin1, G. Ganeshkumar2, K. Tanaka3, T. Morita3, H. Kan3, Y. Yamamoto4
1Centre for Advanced Telecommunications and Quantum Electronics Research, University of Canberra, Australia
2Centrefor Adv. Telecommun. & Quantum Electron. Res., Univ. of Canberra, ACT, Australia
3Hamamastu Photonics, Shizuoka, Japan
4Edward L. Ginzton Laboratory, University of Stanford, Stanford, CA, USA

Tóm tắt

We report the first successful incorporation of shot noise-suppressed laser diodes in a closed-loop photon transistor amplifier configuration. We have measured and modelled the current gain, bandwidth and noise level of transverse junction stripe and quantum well laser diodes in open loop (optocoupler) and closed loop (common-emitter) photon transistor configurations. At liquid nitrogen temperatures we have directly measured 4.5 dB suppression of photonic noise below the full shot noise level.

Từ khóa

#Diode lasers #Noise level #Photonics #Positron emission tomography #Laser noise #Laser feedback #Transistors #Coupling circuits #Detectors #Gain measurement

Tài liệu tham khảo

10.1109/3.485402 1998 10.1049/el:19930204 edwards, 2000, CLEO 2000 Conference Digest 10.1109/3.748845