Compact fiber laser at L-band region using Erbium-doped Zirconia fiber by Hamzah, Azura, Paul, Mukul Chandra, Harun, Sulaiman Wadi, Huri, N.A.D., Lokman, Asiah, Pal, Mrinmay, Das, Swapan Kumar, Bhadra, Shyamal Kumar, Ahmad, Harith, Yoo, Seong Woo, Kalita, Mridu P., Boyland, Alexander J., Sahu, Jayanta Kumar S.