(Presently Amended) A mode-locker that mode locks a laser mode that propagates through a laser oscillation loop, the mode-locker comprising: a core; cladding that surrounds the core, wherein a groove is formed on a side of the claddin g, the g roove that is extended alon g a p ropa g atin g direction of the laser; and a graphene layer that is located in the groove and is formed to be extended along a direction to be parallel to a propag atin gransf-er-g direction of the laser such that athe laser, which is p ro p a g ated throu g h the core, is confi g ured to react with the graphene layer and then a laser pulse is formed.

A mode-locker that mode locks a laser mode that propagates through a laser oscillation loop, the mode-locker comprising: fibers that are extended along one direction and are spaced apart from each other; a graphene layer that is located between fibers and neighboring the fibers and that is adapted to form a laser pulse; and 2 Application Number 12/760,696 Attorney Docket LPP₂₀₀₉₃₀₇₉US Amendment Filed Reply to Office Action of a fixed member that surround the fibers, wherein the fibers comprise a core and cladding that surrounds the core, and the core contacts the graphene layer.

A laser pulse device comprising: an amplifier that amplifies a laser mode that propagates along a laser oscillation loop; a mode-locker that is connected to the amplifier and controls the laser; a polarization controller that is connected to the mode-locker and controls polarization of the laser; a coupler that is connected to the polarization controller and branches the laser; an isolator that is connected to the coupler and prevents backflow of the laser; and a fiber that connects the amplifier, the mode-locker, the polarization controller, the coupler, and the isolator with each other, and 3 Application Number 12/760,696 Attorney Docket LPP₂₀₀₉₃₀₇₉US Amendment Filed Reply to Office Action of wherein the mode-locker comprises-. a graphene layer that i adapt e d to form laseF pulse- a core; claddin g that surrounds the core and havin g a g roove formed on a side thereof, the g roove that is extended alon g a p ropa g atin g direction of the laser; and a graphene la v er that is located in the g roove and is formed to be extended alona a direction to be p arallel to a p ro p a g atin g direction of the laser such that the laser, which is p ropa g ated throu g h the core, is confi g ured to react with the graphene layer and then a laser p ulse is formed.

10-11. canceled

canceled

(Presently Amended) A mode-locker that mode locks a laser mode that propagates through a laser oscillation loop, the mode-locker comprising: a core; cladding that surrounds the core, wherein a groove is formed on a side of the claddin g, the g roove that is extended alon g a p ropa g atin g direction of the laser; and a graphene layer that is located in the groove and is formed to be extended along a direction to be parallel to a propag atin gransf-er-g direction of the laser such that athe laser, which is p ro p a g ated throu g h the core, is confi g ured to react with the graphene layer and then a laser pulse is formed.

A mode-locker that mode locks a laser mode that propagates through a laser oscillation loop, the mode-locker comprising: fibers that are extended along one direction and are spaced apart from each other; a graphene layer that is located between fibers and neighboring the fibers and that is adapted to form a laser pulse; and 2 Application Number 12/760,696 Attorney Docket LPP₂₀₀₉₃₀₇₉US Amendment Filed Reply to Office Action of a fixed member that surround the fibers, wherein the fibers comprise a core and cladding that surrounds the core, and the core contacts the graphene layer.

A laser pulse device comprising: an amplifier that amplifies a laser mode that propagates along a laser oscillation loop; a mode-locker that is connected to the amplifier and controls the laser; a polarization controller that is connected to the mode-locker and controls polarization of the laser; a coupler that is connected to the polarization controller and branches the laser; an isolator that is connected to the coupler and prevents backflow of the laser; and a fiber that connects the amplifier, the mode-locker, the polarization controller, the coupler, and the isolator with each other, and 3 Application Number 12/760,696 Attorney Docket LPP₂₀₀₉₃₀₇₉US Amendment Filed Reply to Office Action of wherein the mode-locker comprises-. a graphene layer that i adapt e d to form laseF pulse- a core; claddin g that surrounds the core and havin g a g roove formed on a side thereof, the g roove that is extended alon g a p ropa g atin g direction of the laser; and a graphene la v er that is located in the g roove and is formed to be extended alona a direction to be p arallel to a p ro p a g atin g direction of the laser such that the laser, which is p ropa g ated throu g h the core, is confi g ured to react with the graphene layer and then a laser p ulse is formed.

10-11. canceled

canceled

(Presently Amended) A mode-locker that mode locks a laser mode that propagates through a laser oscillation loop, the mode-locker comprising: a core; cladding that surrounds the core, wherein a groove is formed on a side of the claddin g, the g roove that is extended alon g a p ropa g atin g direction of the laser; and a graphene layer that is located in the groove and is formed to be extended along a direction to be parallel to a propag atin gransf-er-g direction of the laser such that athe laser, which is p ro p a g ated throu g h the core, is confi g ured to react with the graphene layer and then a laser pulse is formed.

A mode-locker that mode locks a laser mode that propagates through a laser oscillation loop, the mode-locker comprising: fibers that are extended along one direction and are spaced apart from each other; a graphene layer that is located between fibers and neighboring the fibers and that is adapted to form a laser pulse; and 2 Application Number 12/760,696 Attorney Docket LPP₂₀₀₉₃₀₇₉US Amendment Filed Reply to Office Action of a fixed member that surround the fibers, wherein the fibers comprise a core and cladding that surrounds the core, and the core contacts the graphene layer.

A laser pulse device comprising: an amplifier that amplifies a laser mode that propagates along a laser oscillation loop; a mode-locker that is connected to the amplifier and controls the laser; a polarization controller that is connected to the mode-locker and controls polarization of the laser; a coupler that is connected to the polarization controller and branches the laser; an isolator that is connected to the coupler and prevents backflow of the laser; and a fiber that connects the amplifier, the mode-locker, the polarization controller, the coupler, and the isolator with each other, and 3 Application Number 12/760,696 Attorney Docket LPP₂₀₀₉₃₀₇₉US Amendment Filed Reply to Office Action of wherein the mode-locker comprises-. a graphene layer that i adapt e d to form laseF pulse- a core; claddin g that surrounds the core and havin g a g roove formed on a side thereof, the g roove that is extended alon g a p ropa g atin g direction of the laser; and a graphene la v er that is located in the g roove and is formed to be extended alona a direction to be p arallel to a p ro p a g atin g direction of the laser such that the laser, which is p ropa g ated throu g h the core, is confi g ured to react with the graphene layer and then a laser p ulse is formed.

10-11. canceled

canceled

(Presently Amended) A mode-locker that mode locks a laser mode that propagates through a laser oscillation loop, the mode-locker comprising: a core; cladding that surrounds the core, wherein a groove is formed on a side of the claddin g, the g roove that is extended alon g a p ropa g atin g direction of the laser; and a graphene layer that is located in the groove and is formed to be extended along a direction to be parallel to a propag atin gransf-er-g direction of the laser such that athe laser, which is p ro p a g ated throu g h the core, is confi g ured to react with the graphene layer and then a laser pulse is formed.

A mode-locker that mode locks a laser mode that propagates through a laser oscillation loop, the mode-locker comprising: fibers that are extended along one direction and are spaced apart from each other; a graphene layer that is located between fibers and neighboring the fibers and that is adapted to form a laser pulse; and 2 Application Number 12/760,696 Attorney Docket LPP₂₀₀₉₃₀₇₉US Amendment Filed Reply to Office Action of a fixed member that surround the fibers, wherein the fibers comprise a core and cladding that surrounds the core, and the core contacts the graphene layer.

A laser pulse device comprising: an amplifier that amplifies a laser mode that propagates along a laser oscillation loop; a mode-locker that is connected to the amplifier and controls the laser; a polarization controller that is connected to the mode-locker and controls polarization of the laser; a coupler that is connected to the polarization controller and branches the laser; an isolator that is connected to the coupler and prevents backflow of the laser; and a fiber that connects the amplifier, the mode-locker, the polarization controller, the coupler, and the isolator with each other, and 3 Application Number 12/760,696 Attorney Docket LPP₂₀₀₉₃₀₇₉US Amendment Filed Reply to Office Action of wherein the mode-locker comprises-. a graphene layer that i adapt e d to form laseF pulse- a core; claddin g that surrounds the core and havin g a g roove formed on a side thereof, the g roove that is extended alon g a p ropa g atin g direction of the laser; and a graphene la v er that is located in the g roove and is formed to be extended alona a direction to be p arallel to a p ro p a g atin g direction of the laser such that the laser, which is p ropa g ated throu g h the core, is confi g ured to react with the graphene layer and then a laser p ulse is formed.

10-11. canceled

canceled