论文信息 - All-fibre photonic crystal distributed Bragg reflector (PC-DBR) fibre laser.

All-fibre photonic crystal distributed Bragg reflector (PC-DBR) fibre laser.

We describe an Er3+-doped aluminosilicate core photonic crystal fibre laser incorporating distributed Bragg reflectors written by two-photon 193nm irradiation through an optical phase mask as the feedback elements. The laser is diode pumped at 980nm and evidence of dual linewidth laser operation close to threshold is observed. However, at higher pumping levels gain competition preferentially selects one laser line.

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